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Full-Text Articles in Life Sciences

Biodiversity And Cold Tolerance Of Dung Beetles In Cattle Pastures And Forested Habitats In Northeast Arkansas, Becca Lynn Lett Jan 2025

Biodiversity And Cold Tolerance Of Dung Beetles In Cattle Pastures And Forested Habitats In Northeast Arkansas, Becca Lynn Lett

Student Theses and Dissertations

Dung beetles play vital ecological roles, including dung removal and pest reduction. They rely on environmental temperature for activity, and forest habitats typically provide more favorable temperatures. This study occurred in Northeast Arkansas and compared dung beetle diversity in forests and pastures, finding greater diversity in forests. In addition, this study looked at abundance in one pasture 15 years apart and found that abundance remained stable over 15 years, while overall diversity increased. Thermal limit assays on three Onthophagus species provided insights into temperature tolerances. These findings offer valuable information on dung beetle abundance and diversity in the region and …


Grass Weed Control And Rice Response With Tetflupyrolimet-Containing Programs, Mason C. Castner, Jason K. Norsworthy, Thomas R. Butts, Trenton L. Roberts, Nick R. Bateman, Travis R. Faske Jan 2025

Grass Weed Control And Rice Response With Tetflupyrolimet-Containing Programs, Mason C. Castner, Jason K. Norsworthy, Thomas R. Butts, Trenton L. Roberts, Nick R. Bateman, Travis R. Faske

Crop, Soil and Environmental Sciences Faculty Publications and Presentations

Tetflupyrolimet is the first herbicide with a novel site of action (SOA) labeled PRE and early POST for use in agronomic crops to be labeled in the last three decades. Direct-seeded paddy rice field experiments were conducted near Stuttgart, AR, on a silt loam soil and near Keiser, AR, on a clay soil to evaluate tetflupyrolimet-containing herbicide programs in comparison to commercial standards in conventional, imidazolinone-resistant, and quizalofop-resistant rice systems. Additionally, a furrow-irrigated rice experiment was conducted near Colt, AR, and Keiser to ensure weed control with clomazone and tetflupyrolimet mixtures compared to commercial standards. Twelve commonly planted rice cultivars …


Land Use Change Consistently Reduces Α- But Not Β- And Γ-Diversity Of Bees., Toby P N Tsang, A A Amado De Santis, Gabriela Armas-Quiñonez, John S Ascher, Eva Samanta Ávila-Gómez, András Báldi, Kimberly M Ballare, Mario V Balzan, Weronika Banaszak-Cibicka, Svenja Bänsch, Yves Basset, Adam J Bates, Jessica M Baumann, Mariana Beal-Neves, Ashley Bennett, Antonio Diego M Bezerra, Betina Blochtein, Riccardo Bommarco, Berry Brosi, Laura A Burkle, Luísa G Carvalheiro, Ignacio Castellanos, Marcela Cely-Santos, Hamutahl Cohen, Drissa Coulibaly, Saul A Cunningham, Sarah Cusser, Isabelle Dajoz, Deborah A Delaney, Ek Del-Val, Monika Egerer, Markus P Eichhorn, Eunice Enríquez, Martin H Entling, Natalia Escobedo-Kenefic, Pedro Maria Abreu Ferreira, Gordon Fitch, Jessica R K Forrest, Valérie Fournier, Robert Fowler, Breno M Freitas, Hannah R Gaines-Day, Benoît Geslin, Jaboury Ghazoul, Paul Glaum, Jose L Gonzalez-Andujar, Adrian González-Chaves, Heather Grab, Claudio Gratton, Solène Guenat, Catalina Gutiérrez-Chacón, Mark A Hall, Mick E Hanley, Annika Hass, Ernest Ireneusz Hennig, Martin Hermy, Juliana Hipólito, Andrea Holzschuh, Sebastian Hopfenmüller, Keng-Lou James Hung, Kristoffer Hylander, Jordi Izquierdo, Mary A Jamieson, Birgit Jauker, Steve Javorek, Shalene Jha, Björn K Klatt, David Kleijn, Alexandra-Maria Klein, Anikó Kovács-Hostyánszki, Jochen Krauss, Michael Kuhlmann, Patricia Landaverde-González, Tanya Latty, Misha Leong, Susannah B Lerman, Yunhui Liu, Ana Carolina Pereira Machado, Anson Main, Rachel Mallinger, Yael Mandelik, Bruno Ferreira Marques, Kevin Matteson, Frédéric Mccune, Ling-Zeng Meng, Jean Paul Metzger, Paula María Montoya-Pfeiffer, Carolina Morales, Lora Morandin, Jane Morrison, Sonja Mudri-Stojnić, Pakorn Nalinrachatakan, Olivia Norfolk, Mark Otieno, Mia G Park, Stacy M Philpott, Gideon Pisanty, Montserrat Plascencia, Simon G Potts, Eileen F Power, Kit Prendergast, Robyn D Quistberg, Davi De Lacerda Ramos, André Rodrigo Rech, Victoria Reynolds, Miriam H Richards, Stuart P M Roberts, Malena Sabatino, Ulrika Samnegård, Hillary Sardiñas, Karina Sánchez-Echeverría, Fernanda Teixeira Saturni, Jeroen Scheper, Amber R Sciligo, C Sheena Sidhu, Brian J Spiesman, Tuanjit Sritongchuay, Ingolf Steffan-Dewenter, Katharina Stein, Alyssa B Stewart, Jane C Stout, Hisatomo Taki, Pornpimon Tangtorwongsakul, Caragh G Threlfall, Carla Faleiro Tinoco, Teja Tscharntke, Katherine J Turo, Chatura Vaidya, Rémy Vandame, Carlos H Vergara, Blandina F Viana, Eric Vides-Borrell, Natapot Warrit, Elisabeth Webb, Catrin Westphal, Jennifer B Wickens, Neal M Williams, Nicholas S G Williams, Caleb J Wilson, Panlong Wu, Elsa Youngsteadt, Yi Zou, Lauren C Ponisio, Timothy C Bonebrake Jan 2025

Land Use Change Consistently Reduces Α- But Not Β- And Γ-Diversity Of Bees., Toby P N Tsang, A A Amado De Santis, Gabriela Armas-Quiñonez, John S Ascher, Eva Samanta Ávila-Gómez, András Báldi, Kimberly M Ballare, Mario V Balzan, Weronika Banaszak-Cibicka, Svenja Bänsch, Yves Basset, Adam J Bates, Jessica M Baumann, Mariana Beal-Neves, Ashley Bennett, Antonio Diego M Bezerra, Betina Blochtein, Riccardo Bommarco, Berry Brosi, Laura A Burkle, Luísa G Carvalheiro, Ignacio Castellanos, Marcela Cely-Santos, Hamutahl Cohen, Drissa Coulibaly, Saul A Cunningham, Sarah Cusser, Isabelle Dajoz, Deborah A Delaney, Ek Del-Val, Monika Egerer, Markus P Eichhorn, Eunice Enríquez, Martin H Entling, Natalia Escobedo-Kenefic, Pedro Maria Abreu Ferreira, Gordon Fitch, Jessica R K Forrest, Valérie Fournier, Robert Fowler, Breno M Freitas, Hannah R Gaines-Day, Benoît Geslin, Jaboury Ghazoul, Paul Glaum, Jose L Gonzalez-Andujar, Adrian González-Chaves, Heather Grab, Claudio Gratton, Solène Guenat, Catalina Gutiérrez-Chacón, Mark A Hall, Mick E Hanley, Annika Hass, Ernest Ireneusz Hennig, Martin Hermy, Juliana Hipólito, Andrea Holzschuh, Sebastian Hopfenmüller, Keng-Lou James Hung, Kristoffer Hylander, Jordi Izquierdo, Mary A Jamieson, Birgit Jauker, Steve Javorek, Shalene Jha, Björn K Klatt, David Kleijn, Alexandra-Maria Klein, Anikó Kovács-Hostyánszki, Jochen Krauss, Michael Kuhlmann, Patricia Landaverde-González, Tanya Latty, Misha Leong, Susannah B Lerman, Yunhui Liu, Ana Carolina Pereira Machado, Anson Main, Rachel Mallinger, Yael Mandelik, Bruno Ferreira Marques, Kevin Matteson, Frédéric Mccune, Ling-Zeng Meng, Jean Paul Metzger, Paula María Montoya-Pfeiffer, Carolina Morales, Lora Morandin, Jane Morrison, Sonja Mudri-Stojnić, Pakorn Nalinrachatakan, Olivia Norfolk, Mark Otieno, Mia G Park, Stacy M Philpott, Gideon Pisanty, Montserrat Plascencia, Simon G Potts, Eileen F Power, Kit Prendergast, Robyn D Quistberg, Davi De Lacerda Ramos, André Rodrigo Rech, Victoria Reynolds, Miriam H Richards, Stuart P M Roberts, Malena Sabatino, Ulrika Samnegård, Hillary Sardiñas, Karina Sánchez-Echeverría, Fernanda Teixeira Saturni, Jeroen Scheper, Amber R Sciligo, C Sheena Sidhu, Brian J Spiesman, Tuanjit Sritongchuay, Ingolf Steffan-Dewenter, Katharina Stein, Alyssa B Stewart, Jane C Stout, Hisatomo Taki, Pornpimon Tangtorwongsakul, Caragh G Threlfall, Carla Faleiro Tinoco, Teja Tscharntke, Katherine J Turo, Chatura Vaidya, Rémy Vandame, Carlos H Vergara, Blandina F Viana, Eric Vides-Borrell, Natapot Warrit, Elisabeth Webb, Catrin Westphal, Jennifer B Wickens, Neal M Williams, Nicholas S G Williams, Caleb J Wilson, Panlong Wu, Elsa Youngsteadt, Yi Zou, Lauren C Ponisio, Timothy C Bonebrake

Entomology Faculty Publications

Land use change threatens global biodiversity and compromises ecosystem functions, including pollination and food production. Reduced taxonomic α-diversity is often reported under land use change, yet the impacts could be different at larger spatial scales (i.e., γ-diversity), either due to reduced β-diversity amplifying diversity loss or increased β-diversity dampening diversity loss. Additionally, studies often focus on taxonomic diversity, while other important biodiversity components, including phylogenetic diversity, can exhibit differential responses. Here, we evaluated how agricultural and urban land use alters the taxonomic and phylogenetic α-, β-, and γ-diversity of an important pollinator taxon-bees. Using a multicontinental dataset of 3117 bee …


A Phylogeographic Study Of The Kentucky Endemic Cave Beetle Neaphaenops Tellkampfii Erichson (1844), Mahamad Miya Jan 2025

A Phylogeographic Study Of The Kentucky Endemic Cave Beetle Neaphaenops Tellkampfii Erichson (1844), Mahamad Miya

Masters Theses & Specialist Projects

Cave beetles are an excellent group to study evolutionary history and speciation by isolation within cave habitats. However, they are underrepresented in such studies, particularly in North America, one of the hotspots of cave biodiversity where beetles account for a significant proportion. The present research addresses this issue by focusing on the Kentucky endemic cave beetle, Neaphaenops tellkampfii, a species hypothesized to comprise four subspecies. Based on allozyme data, previous studies have noted high genetic variation within and high similarity among local populations of this beetle, suggesting complex evolutionary dynamics. In this regard, this study aims to elucidate the evolutionary …


Nebline, January/February 2025 Jan 2025

Nebline, January/February 2025

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

2024 Extension Highlights

4-H Engaged 34,177 Youth

Nebraska Extension’s Strategic Direction

Reflflection, Growth and Whole-Person Wellness for 2025. Emily Gratopp

Recipe of the Month: Slow Cooker Chicken Tortilla Soup, Emily Gratopp

Extension’s 2025 Master Gardener Volunteer Training Begins Soon

Garden Guide: Things to Do This Month

Upcoming Green Industry Conferences

ProHort Lawn and Landscape Update

2025 Pesticide Applicator Trainings

Crop Production Clinics

Leaving a Lasting Legacy for Midwestern Farm Women

At Ag Literacy Festival, Students Learn How Agriculture Impacts Their Daily Lives

Managing Hard Water, Becky Schuerman

Don’t Let Fungus Gnats Bug You and Your Plants, Kait Chapman

2025 Lincoln …


A Systematic Study Of The Highly Endemic Spider Beetle Fauna (Coleoptera: Ptinidae: Ptininae) Found In The Coastal Deserts Of Perú, Marlena Askren Jan 2025

A Systematic Study Of The Highly Endemic Spider Beetle Fauna (Coleoptera: Ptinidae: Ptininae) Found In The Coastal Deserts Of Perú, Marlena Askren

Masters Theses & Specialist Projects

Spider beetles are small, often flightless insects that occur in hyperarid environments around the world. They exhibit interesting morphology and behavior that allows them to conserve water they obtain from plant material, dung, and other detritus. One hyperarid region in which they are found is the Pacific coast of Perú and northern Chile. The Sechura Desert, Peruvian Coastal Desert, and Atacama Desert make up the arid coast where spider beetles occur from north to south. Through multiple years of field work and museum collections, populations of spider beetles were found along the coast in isolated pockets of vegetation, separated by …


Diversity And Phylogeny Of Spider Beetles (Ptinidae: Ptininae) In Coastal Chile And Peru, Jacob Bowen Jan 2025

Diversity And Phylogeny Of Spider Beetles (Ptinidae: Ptininae) In Coastal Chile And Peru, Jacob Bowen

Masters Theses & Specialist Projects

Spider beetles of South America have historically received little systematic study, though now they are the subject of recent diversity surveys and documentation. This investigation contributes to the ongoing exploration of spider beetle diversity in South America by adding records for the recently described Cordielytrum and the yet to be described Furcillifer, as well as constructing phylogenies with new genetic material. MaxEnt was used to create an ecological niche model revealing habitat suitability in Chile and Peru for Cordielytrum, a genus of flightless spider beetles currently known only from Peru. Even with few occurrence records, a model with …


Learning In Nonleafcutting Fungus-Gardening Ants, Elizabeth D. Boshers Jan 2025

Learning In Nonleafcutting Fungus-Gardening Ants, Elizabeth D. Boshers

Biology Theses

Social complexity influences learning and other cognitive behaviors, but for insects, this influence is not well understood. Delayed rejection is an aversive learning behavior previously studied exclusively in leafcutting ant species, the most socially complex of the fungus-gardening ants. Fungus-gardening ants are unique in that they do not directly consume the material they forage, using it instead as substrate to cultivate a symbiotic fungus on which the ants are obligately dependent. Here, I attempt to induce delayed rejection in several fungus-gardening ant species that exhibit a range of social complexity, then compare the characteristics of delayed rejection behavior among species. …


Entomology Insect Pollinators And Predators-Flower Flies, Manju Yogi, Kaushalya Amarasekare Jan 2025

Entomology Insect Pollinators And Predators-Flower Flies, Manju Yogi, Kaushalya Amarasekare

Extension Publications

No abstract provided.


Assessing The Foraging Habits Of Two Species Of Long-Horned Bees (Melissodes, Apidae) Using Dna Barcodes Its2 And Trnl, Rebecca Jane Foy Jan 2025

Assessing The Foraging Habits Of Two Species Of Long-Horned Bees (Melissodes, Apidae) Using Dna Barcodes Its2 And Trnl, Rebecca Jane Foy

Theses, Dissertations and Capstones

Sunflowers (Helianthus, Asteraceae) are an important crop used for oil, dye, fodder, and edible seeds. Long-horned bees (Melissodes, Apidae) are solitary species native to the Americas that specialize in sunflower pollination; they are among the most frequent visitors to sunflowers, and have been shown to enhance yield, offering considerable economic benefits to sunflower production. This study used metabarcoding to investigate the foraging habits of two understudied Melissodes species, M. trinodis and M. agilis. Using the ITS2 and trnL barcodes, our study aimed to (1) investigate the plants visited by M. agilis and M. trinodis and (2) assess the distances Melissodes …


Diet Of Adult Ladybird Beetle Hosts Modifies The Postdiapause Development Of The Parasitoid Dinocampus Coccinellae (Hymenoptera: Braconidae), John J. Obrycki Jan 2025

Diet Of Adult Ladybird Beetle Hosts Modifies The Postdiapause Development Of The Parasitoid Dinocampus Coccinellae (Hymenoptera: Braconidae), John J. Obrycki

Lady Beetle Research Data

Our study showed that under natural conditions the rate and speed of postdiapause emergence by overwintering larvae of the endoparasitic wasp, Dinocampus coccinellae (Schrank) is enhanced when its ladybird beetle host Coleomegilla maculata (DeGeer) receives a nutritious (proteinaceous) diet during late winter and early spring. Living aphid prey provided during April and May yielded the fastest rates of D. coccinellae postdiapause development, followed by an artificial protein/carbohydrate diet and flowering (pollen-producing) heads of dandelion. D. coccinellae development was slowest when hosts received only sugar water or water alone. These results indicate that there is an interaction during late dormancy between …


Developmental Regulation Of Corazonin, Eclosion Hormone, And Bursicon Messages And Rnai Suppression Of Corazonin In Adult Female American Dog Ticks, Dermacentor Variabilis, Anirudh Dhammi, Brooke Bissinger, Loganathan Ponnusamy, Daniel E. Sonenshine, R. Michael Roe Jan 2025

Developmental Regulation Of Corazonin, Eclosion Hormone, And Bursicon Messages And Rnai Suppression Of Corazonin In Adult Female American Dog Ticks, Dermacentor Variabilis, Anirudh Dhammi, Brooke Bissinger, Loganathan Ponnusamy, Daniel E. Sonenshine, R. Michael Roe

Biological Sciences Faculty Publications

The insect molting process is critical to growth and development and is regulated in part by the neuropeptides corazonin, eclosion hormone, and α and β bursicon. We found messages in a synganglion transcriptome from adult, female American dog ticks, Dermacentor variabilis (that do not molt), with a high similarity to the larval insect neuropeptides that control molting. The phylogenetic analysis of the tick putative neuropeptides compared to other arthropods is discussed in detail. The relative gene expression of these peptides was determined by quantitative PCR during the following adult developmental stages: (i) virgin, unfed 0–24 h after entering the adult …


Correction On The Status Of Nematodes Pavidus Horn, 1886 (Coleoptera: Eucnemidae: Dromaeolinae: Dromaeolini), With Redescriptions Of Two Species From The Southeastern United States And The Caribbean, Robert L. Otto Jan 2025

Correction On The Status Of Nematodes Pavidus Horn, 1886 (Coleoptera: Eucnemidae: Dromaeolinae: Dromaeolini), With Redescriptions Of Two Species From The Southeastern United States And The Caribbean, Robert L. Otto

Insecta Mundi

The status of Nematodes pavidus Horn (Coleoptera: Eucnemidae), in relation to Nematodes punctatus LeConte and Nematodes teres Horn is being questioned after Muona (2000) revised the family in the Nearctic region. Investigations into the status of N. pavidus included explorations of the histories among these three species and examining images of the types through the Museum of Comparative Zoology’s website. It has been confirmed that Muona erred by synonymizing N. pavidus with N. teres before transferring both N. punctatus and N. teres to Dromaeolus Kiesenwetter. A correction has been made by transferring N. pavidus …


Blue Exoskeleton, Aridity, And Thermoregulation In Some Western Nearctic Spider Wasps (Hymenoptera: Pompilidae), Frank E. Kurczewski Jan 2025

Blue Exoskeleton, Aridity, And Thermoregulation In Some Western Nearctic Spider Wasps (Hymenoptera: Pompilidae), Frank E. Kurczewski

Insecta Mundi

Several Nearctic spider wasp genera and subgenera in the subfamily Pompilinae (Hymenoptera: Pompilidae) in the arid western United States and northern Mexico are characteristically blue, violet, or purple in color: Aporus Spinola; Plectraporus Bradley; Chelaporus Bradley; Psorthaspis Banks; Chalcochares Banks; Evagetes Lepeletier; and Allochares Banks. Other genera and subgenera of Pompilinae in western United States and northern Mexico have one or more bluish or violaceous species: Episyron Schiødte; Notiochares Banks; Pompilinus Ashmead; Anoplius Dufour; Hesperopompilus Evans; Ammosphex Wilcke; and Arachnospila Kincaid. In California, 27/79 (34.2%) species of Pompilinae are blue, violet, or purple. The number of blue, violet, or purple …


New State And Adult Host Records For Species Of Anthaxia Degeer And Melanophila Eschscholtz (Coleoptera: Buprestidae) In The Western United States, Richard L. Westcott, Luc Leblanc Jan 2025

New State And Adult Host Records For Species Of Anthaxia Degeer And Melanophila Eschscholtz (Coleoptera: Buprestidae) In The Western United States, Richard L. Westcott, Luc Leblanc

Insecta Mundi

New state records are provided for one species of Anthaxia (Haplanthaxia) Reitter, six species of Anthaxia (Melanthaxia) Richter, and one species of Melanophila Eschscholtz (Coleoptera: Buprestidae) in the Western United States. One new adult host record is provided for Anthaxia (Melanthaxia) aeneogaster Gory and Laporte, two are provided for Melanophila atropurpurea (Say), and one for Phaenops intrusa (Horn).


A New Species Of Allotriopsis Champion From Guatemala (Coleoptera: Elateridae), E. R. Fuller Jan 2025

A New Species Of Allotriopsis Champion From Guatemala (Coleoptera: Elateridae), E. R. Fuller

Insecta Mundi

Abstract

Allotriopsis schusteri Fuller (Coleoptera: Elateridae), new species, is described from cloud forest habitat in Zacapa Department, Guatemala, and compared with Allotriopsis nasalis Champion from Quezaltenango Department, Guatemala.

Resumen

Se describe Allotriopsis schusteri Fuller (Coleoptera: Elateridae), nueva especie, del hábitat del bosque nuboso en el departamento de Zacapa, Guatemala, y se compara con Allotriopsis nasalis Champion del departamento de Quezaltenango, Guatemala.


Checklist Of The Cerambycidae (Coleoptera) Of Panama, Alfredo Lanuza-Garay, Miguel A. Monné Jan 2025

Checklist Of The Cerambycidae (Coleoptera) Of Panama, Alfredo Lanuza-Garay, Miguel A. Monné

Insecta Mundi

Abstract

A checklist of the Cerambycidae (Coleoptera) of Panama is provided, including 1,031 species and subspecies distributed in 433 genera, 63 tribes and subtribes, and five subfamilies. In addition, provincial distribution data are provided for each species. The following new country records for Panama are reported: Ischioloncha lineata Bates, 1885 (Panama and Colon Province) (Lamiinae: Apomecynini), Oncideres macra Thomson, 1868 (Panama and Panama Oeste Province), Oncideres minuta Thomson, 1868 (Panama province, San Blas Comarca), Oncideres ochreostillata Dillon and Dillon, 1952 (Barro Colorado Island) (Lamiinae: Onciderini). A new province record is presented for Rileyellus panamensis Wappes and Santo-Silva, 2020 (Darien Province) …


Three New Species Of Lepidocyrtus Bourlet (Collembola: Entomobryidae) From Florida, Usa, And Descriptive Notes On Lepidocyrtus Floridensis Snider, Felipe N. Soto-Adames, Emily Jenks, Kathryn M. Daly Jan 2025

Three New Species Of Lepidocyrtus Bourlet (Collembola: Entomobryidae) From Florida, Usa, And Descriptive Notes On Lepidocyrtus Floridensis Snider, Felipe N. Soto-Adames, Emily Jenks, Kathryn M. Daly

Insecta Mundi

Abstract

In North America, the genus Lepidocyrtus Bourlet (Collembola: Entomobryidae) is represented by 18 species, but only three (L. floridensis Snider, L. millsi Snider, and L. pallidus Reuter) have been reported from Florida. We investigated species diversity in leaf litter samples from counties in the north-central and southern part of the state, as the reportedly low species diversity in Florida may be due to under-sampling. As a result, in this contribution we describe three species of Lepidocyrtus new to science: L. bobwoodruffi Soto-Adames, Jenks and Daly, new species, L. brambilae Soto-Adames, Jenks and …


Habitat Definition For Pepsis Elegans Lepeletier (Hymenoptera: Pompilidae: Pepsinae), Frank E. Kurczewski Jan 2025

Habitat Definition For Pepsis Elegans Lepeletier (Hymenoptera: Pompilidae: Pepsinae), Frank E. Kurczewski

Insecta Mundi

Recent (2024) photographs of Pepsis elegans Lepeletier (Hymenoptera: Pompilidae: Pepsinae) females searching through plant litter disclosed no clues about its nesting behavior or host spider. However, coupled with geographic site locations, they reveal important habitat information. The various site locations are specifically defined as part of the Eastern Temperate Forests Level I Ecoregion of North America, numerous Level III Ecoregions of the Continental United States, several United States Forest Type Groups, and natural habitat designation of mesic open woodland.


A Taxonomic Note On Lecanium Vaccinii Macrocarpum Nomen Dubium Status, Rhys J. L. Campo, Barbara D. Denno, Douglass R. Miller Jan 2025

A Taxonomic Note On Lecanium Vaccinii Macrocarpum Nomen Dubium Status, Rhys J. L. Campo, Barbara D. Denno, Douglass R. Miller

Insecta Mundi

Lecanium vaccinii macrocarpum Goethe, 1884 (Hemiptera: Coccidae) is a subspecies of which the original description is inconsistent with its current taxonomic placement, and its recorded synonymy with other species is questionable. The original type material is likely lost or destroyed. For these reasons, L. vaccinii macrocarpum is proposed to be treated as nomen dubium.


New Host Record Of Dahlibruchus Bridwell, 1931 On Cultivated Dahlia Cav. In Mexico And Description Of Two New Species (Coleoptera: Bruchidae), Jesús Romero Nápoles Jan 2025

New Host Record Of Dahlibruchus Bridwell, 1931 On Cultivated Dahlia Cav. In Mexico And Description Of Two New Species (Coleoptera: Bruchidae), Jesús Romero Nápoles

Insecta Mundi

Dahlibruchus Bridwell is a genus in the family Bruchidae (Coleoptera: Chrysomeloidea) and all species have as host plants species in the genus Dahlia Cav. (Asteraceae). Usually they arrive on hosts when flowers appear and start feeding on nectar and pollen; later females lay eggs on bracts, and a few weeks later the adults emerge. Presently, the genus Dahlibruchus contains three species. The description of two new ones (Dahlibruchus castroi, new species and Dahlibruchus ruizi, new species) brings this number to five. A key to all species is presented. Dahlibruchus conradti Bridwell is recorded for the first …


A Review Of The Genus Necydalis Linnaeus (Coleoptera: Cerambycidae) From North America With Proposed Subgeneric Reclassification, Daniel Heffern, Tatsuya Niisato, Ronald Alten Jan 2025

A Review Of The Genus Necydalis Linnaeus (Coleoptera: Cerambycidae) From North America With Proposed Subgeneric Reclassification, Daniel Heffern, Tatsuya Niisato, Ronald Alten

Insecta Mundi

All North American species of Necydalis Linnaeus, 1758 (Coleoptera: Cerambycidae) are removed from the nominotypical subgenus with species allocated into four subgenera: Neodalis Niisato new subgenus, Heterodalis Niisato new subgenus, Mesodalis Niisato new subgenus and Necydalisca Plavilstshikov, 1936. Neodalis and Heterodalis are endemic to the Nearctic, whereas Mesodalis and Necydalisca also occur in the Palearctic. Necydalis (Neodalis) copei Niisato, Heffern and Alten new species is described from Nevada, USA. Necydalis californica Linsley, 1940 new status is elevated from a subspecies of N. diversicollis Schaeffer, 1932 to full species status. Male terminalia of all species are …


Living A Lie: The Truth Behind Isohydnocera Curtipennis (Newman) And Other Historically Confused Species Of Phyllobaenus Dejean, With The Description Of The New Genus Neohydnocera (Coleoptera: Cleridae: Clerinae: Hydnocerini: Hydnocerina), John M. Leavengood Jr. Jan 2025

Living A Lie: The Truth Behind Isohydnocera Curtipennis (Newman) And Other Historically Confused Species Of Phyllobaenus Dejean, With The Description Of The New Genus Neohydnocera (Coleoptera: Cleridae: Clerinae: Hydnocerini: Hydnocerina), John M. Leavengood Jr.

Insecta Mundi

Taxonomic changes in the New World Hydnocerina (Coleoptera: Cleridae: Clerinae: Hydnocer­ini) at the species and genus level are presented. Phyllobaenus suturalis (Klug, 1842) and Hydnocera limbata Spinola, 1844 are designated junior synonyms of P. pallipennis (Say, 1825), new synonymy. Phyllobaenus nigrescens (Schaeffer, 1909) is designated a junior synonym of P. verticalis (Say, 1835), new synonymy. Iso­hydnocera curtipennis (Newman, 1840), P. lineaticollis Spinola, 1844, and Clerus brachypterus Klug, 1842, are re-established as junior synonyms of P. verticalis (Say, 1835), status reinstated, and I. curtipennis is accordingly reassigned to Phyllobaenus Dejean as P. curtipennis …


The First Species Of Prococcophagus Silvestri (Hymenoptera: Aphelinidae) From America North Of Mexico, Zachary Lahey, Alvin M. Simmons, Sharon A. Andreason Jan 2025

The First Species Of Prococcophagus Silvestri (Hymenoptera: Aphelinidae) From America North Of Mexico, Zachary Lahey, Alvin M. Simmons, Sharon A. Andreason

Insecta Mundi

Prococcophagus tobiasi (Myartseva) (Hymenoptera: Aphelinidae) is newly recorded from the state of Florida. This represents the first record of the genus Prococcophagus Silvestri in the United States. Amendments are made to the original description based on the newly collected specimens, and the species is placed in the context of the genus based on a phylogenetic analysis of 28S rDNA. The status of the specimens comprising the type series is discussed and notes are made on the unusual coloration exhibited by living specimens.


Tetraleurodes Gilli (Hemiptera: Sternorrhyncha: Aleyrodidae), A New Whitefly Species On Quercus L. From California, Natalia Von Ellenrieder Jan 2025

Tetraleurodes Gilli (Hemiptera: Sternorrhyncha: Aleyrodidae), A New Whitefly Species On Quercus L. From California, Natalia Von Ellenrieder

Insecta Mundi

Abstract

A new species of Tetraleurodes Cockerell (Hemiptera: Sternorrhyncha: Aleyrodidae), T. gilli, occurring on Quercus L. (Fagaceae) in California is described and illustrated based on its puparium, adults, and nymphs. The puparium of the new species can be recognized from that of other black whiteflies devoid of dorsal wax that occur on oaks by the combination of a filamentous marginal wax fringe as wide as a third to full width of puparium, cephalothoracic setal formula 1 0 1 1, longitudinal suture margined by tubercles, presence of eyespots, a concentric dorsal submarginal fold, ventral spinules medially to legs decreasing …


German Cockroach Allergen Mitigation, Olivia Katz Jan 2025

German Cockroach Allergen Mitigation, Olivia Katz

Theses and Dissertations--Entomology

German cockroaches (Blatella germanica L.) remain one of the most challenging indoor pests to manage, due in large part to their cryptic nature, rapid reproduction, and resistance to insecticides. Because of their close proximity to humans, they also pose several serious health threats, including the production and dissemination of several potent allergens linked to asthma development and exacerbation. Given the risks associated with cockroach allergens, we examined the longevity of two distinct cockroach allergens (Bla g 1 and Bla g 5) in the home environment and the efficacy of cleaners at removing these allergens. Our findings show that Bla …


Including Black Farmers, Excluding Pests: Perspectives On Participation In The Cooperative Extension Service, Briana Bazile Jan 2025

Including Black Farmers, Excluding Pests: Perspectives On Participation In The Cooperative Extension Service, Briana Bazile

Theses and Dissertations--Entomology

In recent years, the U.S. Department of Agriculture has faced renewed scrutiny for documented discrimination against Black farmers, yet far less attention has focused on its century-old partner in public service delivery, the Cooperative Extension Service (CES). This gap is especially notable considering 1) federal parity mandates extant since 1972 in response to significant disparities between Black and White constituents and staff,2) public commitments to Diversity, Equity & Inclusion in 2020 and, 3) the contributions of Black leaders at the origins of CES, at Tuskegee University in the late nineteenth century. Using the Kentucky Cooperative Extension Service (KYCES) as a …


Chironomids Shed Light On Organic Matter Dynamics In Macroinvertebrate Communities In Prairie Pothole Lakes In West-Central Minnesota, Usa, Tracey M. Anderson, Sarah G. Winikoff, Michael L. Sorensen, Melissa L. Rudeen Jan 2025

Chironomids Shed Light On Organic Matter Dynamics In Macroinvertebrate Communities In Prairie Pothole Lakes In West-Central Minnesota, Usa, Tracey M. Anderson, Sarah G. Winikoff, Michael L. Sorensen, Melissa L. Rudeen

Biology Publications

The Prairie Pothole Region (PPR) in North America is characterized by a high density of wetlands that can range from temporary habitats to small lakes. Much of the PPR has been converted to agriculture resulting in outright habitat loss, eutrophication, sedimentation, introduction of agrochemicals, and the introduction of invasive plants and animals. We compared two prairie pothole lakes, Cottonwood Lake and Page Lake, to assess the functional roles and trophic structure of the macroinvertebrate communities in this highly altered landscape. We collected macroinvertebrate samples from littoral and profundal regions of each lake with an Ekman grab sampler in winters of …


Aquatic Invertebrate Populations In Roadside Wetlands In Relation To Water Characteristics, Ellen P. Isakson Jan 2025

Aquatic Invertebrate Populations In Roadside Wetlands In Relation To Water Characteristics, Ellen P. Isakson

Journal of Earth and Life Science

The continual habitat destruction and draining of wetland systems makes the need to understand the ecology of roadside wetlands all the more necessary. Roadside wetlands provide valuable habitat to countless aquatic invertebrates, which can provide insight into the health of the wetland system due to their diversity. The objective of this study was to analyze the populations of aquatic invertebrates in roadside wetlands in relation to water characteristics such as pH, salinity, conductivity, water depth and temperature, and dissolved oxygen. This was done by collecting samples of invertebrate populations from roadside wetlands, in addition to data on water quality characteristics …


Instructions For Authors, Discovery Editors Jan 2025

Instructions For Authors, Discovery Editors

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.