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Articles 841 - 870 of 11462
Full-Text Articles in Entomology
A Novel Interaction Of Nesidiocoris Tenuis (Hemiptera: Miridae) As A Biological Control Agent Of Bactericera Cockerelli (Hemiptera: Triozidae) In Potato, Gabriela Esparza-Diaz, Raul Villanueva, Ismael E. Badillo-Vargas
A Novel Interaction Of Nesidiocoris Tenuis (Hemiptera: Miridae) As A Biological Control Agent Of Bactericera Cockerelli (Hemiptera: Triozidae) In Potato, Gabriela Esparza-Diaz, Raul Villanueva, Ismael E. Badillo-Vargas
Entomology Faculty Publications
Nesidiocoris tenuis (Hemiptera: Miridae) is a generalist predator commonly used to control the whitefly Bemisia tabaci in Europe. This mirid has been found and established in South Texas, where it was initially observed feeding on nymphs of the psyllid Bactericera cockerelli (Hemiptera: Triozidae) in open tomato fields. B. cockerelli is the vector of the fastidious bacterium “Candidatus Liberibacter solanacearum” that causes diseases in several solanaceous crops, including zebra chip (ZC) disease in potatoes. There is a need to better understand how this predator impacts the control of important crop pests, such as potato psyllids. We assessed the interactions between N. …
New Voices For A Better Society, Stephanie J. Diem, Baindu L. Bayon, Hussam Mahmoud, Mary L. Garcia- Cazarin, Michael J. Martin, Clare C. Rittschof, Patricia Silveyra, Umut A. Gurkan, Alison Boland- Reeves, Dalal Najib, Flannery Wasson
New Voices For A Better Society, Stephanie J. Diem, Baindu L. Bayon, Hussam Mahmoud, Mary L. Garcia- Cazarin, Michael J. Martin, Clare C. Rittschof, Patricia Silveyra, Umut A. Gurkan, Alison Boland- Reeves, Dalal Najib, Flannery Wasson
Entomology Faculty Publications
No abstract provided.
Toward Transparent Taxonomy: An Interactive Web-Tool For Evaluating Competing Taxonomic Arrangements, Oksana V. Vernygora, Felix A. H. Sperling, Julian R. Dupuis
Toward Transparent Taxonomy: An Interactive Web-Tool For Evaluating Competing Taxonomic Arrangements, Oksana V. Vernygora, Felix A. H. Sperling, Julian R. Dupuis
Entomology Faculty Publications
Informative and consistent taxonomy above the species level is essential to communication about evolution, biodiversity and conservation, and yet the practice of taxonomy is considered opaque and subjective by non-taxonomist scientists and the public alike. While various proposals have tried to make the basis for the ranking and inclusiveness of taxa more transparent and objective, widespread adoption of these ideas has lagged. Here, we present TaxonomR, an interactive online decision-support tool to evaluate alternative taxonomic classifications. This tool implements an approach that quantifies the criteria commonly used in taxonomic treatments and allows the user to interactively manipulate weightings for different …
Hilling As A Management Tactic And Tool For Understanding Soybean Gall Midge (Resseliella Maxima Gagné), Pragya Gupta
Hilling As A Management Tactic And Tool For Understanding Soybean Gall Midge (Resseliella Maxima Gagné), Pragya Gupta
Department of Entomology: Dissertations, Theses, and Student Research
Soybean gall midge (Resseliella maxima Gagné, SGM) emerged as a new species in the United States Midwest in 2019, causing injury to soybean (Glycine max L.) Infestation of R. maxima starts with females laying eggs in the fissures or cracks that develop at the base of soybean during the V2-V3 growth stage. The emerged larvae feed on the stem internally, leading to wilting and death of the plants. With knowledge gaps in biology and behavior, management strategies for this pest are challenging. Hilling is a cultural practice causing soil to cover the base of stems and is …
Impact Of Temperature On The Bionomics And Geographical Range Margins Of The Two-Spotted Field Cricket Gryllus Bimaculatus In The World: Implications For Its Mass Farming, Henlay J.O. Magara, Chrysantus M. Tanga, Brian L. Fisher, Abdelmutalab G.A. Azrag, Saliou Niassy, James P. Egonyu, Sylvain Hugel, Nana Roos, Monica A. Ayieko, Subramanian Sevgan, Sunday Ekesi
Impact Of Temperature On The Bionomics And Geographical Range Margins Of The Two-Spotted Field Cricket Gryllus Bimaculatus In The World: Implications For Its Mass Farming, Henlay J.O. Magara, Chrysantus M. Tanga, Brian L. Fisher, Abdelmutalab G.A. Azrag, Saliou Niassy, James P. Egonyu, Sylvain Hugel, Nana Roos, Monica A. Ayieko, Subramanian Sevgan, Sunday Ekesi
All Peer-Reviewed Publications
Gryllus bimaculatus (Orthoptera: Gryllidae) is widely considered an excellent nutrient source for food and feed. Despite its economic importance, there is limited information on the impact of temperature on the bionomics of this cricket to guide its effective and sustainable mass production in its geographical range. The biological parameters of G. bimaculatus were investigated at eight different temperatures ranging from 20–40∘C. The Insect Life-Cycle Modelling (ILCYM) program was used to fit linear and non-linear functions to the data to describe the influence of temperature on life history parameters and its farmability under the current and projected climate for 2050. Our …
Assessing The Effectiveness Of Copper Oxide Nanoparticles (Cuo-Nps) As Larvicidal Agents Against Aedes Aegypti Larvae In A Laboratory Setup, Muhammad Ahsan Riaz, Ayesha Riaz, Muhammad Asif Mahmood, Muhammad Uzair Mukhtar, Waseem Akram, Ehtisham Arshad, Zaib Un Nisa, Beenish Ijaz, Muhammad Shahid Rasool
Assessing The Effectiveness Of Copper Oxide Nanoparticles (Cuo-Nps) As Larvicidal Agents Against Aedes Aegypti Larvae In A Laboratory Setup, Muhammad Ahsan Riaz, Ayesha Riaz, Muhammad Asif Mahmood, Muhammad Uzair Mukhtar, Waseem Akram, Ehtisham Arshad, Zaib Un Nisa, Beenish Ijaz, Muhammad Shahid Rasool
Journal of Bioresource Management
The control of Aedes aegypti (A. aegypti), the primary vector for dengue virus, requires effective larvicidal agents to target larvae breeding in various water sources. This study aimed to assess the effectiveness of Copper Oxide Nanoparticles (CuO-NPs) as larvicidal agents against A. aegypti larvae in a laboratory setup. Larvae were exposed to CuO-NPs at five contrasting concentrations (0, 5, 10, 20, and 30 mg/l). Twenty-five fourth instar larvae were subjected to each concentration with three replicates and one control with the same number (n=25) of larvae under optimum laboratory conditions. The larval mortality was calculated after 24 hours. …
Corn Rootworm: Biology, Ecology, Behavior, And Integrated Management, Lance J. Meinke, Joseph L. Spencer
Corn Rootworm: Biology, Ecology, Behavior, And Integrated Management, Lance J. Meinke, Joseph L. Spencer
Department of Entomology: Faculty Publications
Species of the beetle genus Diabrotica (Coleoptera: Chrysomelidae) are native to North and South America, with their greatest diversity occurring in neotropical areas [1]. Little is known about the biology and ecology of many of the 400 described species, with current knowledge primarily limited to the small number of species that are pests in agricultural systems [1,2]. This Special Issue focuses primarily on key economically important pest species, i.e., D. virgifera virgifera LeConte, D. speciosa (Germar), D. balteata (LeConte), and D. viridula (F.).
A Review On The Role Of Tomatoes In Pakistan's Agricultural Economy: Challenges And Strategies For White Fly (Bemisa Tabaci: Hemiptera) Management, Muhammad Wahid Khan, Zahid Hussain, Shahid Sattar, Fazal Maula
A Review On The Role Of Tomatoes In Pakistan's Agricultural Economy: Challenges And Strategies For White Fly (Bemisa Tabaci: Hemiptera) Management, Muhammad Wahid Khan, Zahid Hussain, Shahid Sattar, Fazal Maula
Journal of Bioresource Management
The largest sector of Pakistan's economy is agriculture. Tomatoes, considered both vegetables and fruits, are an essential part of the daily diet for people in the economy class as well as those with limited means, with per capita food consumption of 8.00 kg recorded in Pakistan. Tomatoes are a rich source of essential nutrients such as Vitamin C, A, and Iron, and naturally contain Lycopene, known for its antioxidant properties that can help prevent cancer. In Pakistan, tomato crops yield approximately 40 kg per acre, which is below the world average of 4.00 tons per acre. The Pakistan renowned tomato …
Phylogenomics Of Tetraopes Longhorn Beetles Unravels Their Evolutionary History And Biogeographic Origins, Nayeli Gutiérrez‑Trejo, Matthew H. Van Dam, Athena W. Lam, Gonzalo Martínez‑Herrera, Felipe A. Noguera, Thomas J. Weissling, Jessica L. Ware, Víctor H. Toledo‑Hernández, Frederick W. Skillman Jr., Brian D. Farrell, Oscar Pérez‑Flores, Lorenzo Prendini, James M. Carpenter
Phylogenomics Of Tetraopes Longhorn Beetles Unravels Their Evolutionary History And Biogeographic Origins, Nayeli Gutiérrez‑Trejo, Matthew H. Van Dam, Athena W. Lam, Gonzalo Martínez‑Herrera, Felipe A. Noguera, Thomas J. Weissling, Jessica L. Ware, Víctor H. Toledo‑Hernández, Frederick W. Skillman Jr., Brian D. Farrell, Oscar Pérez‑Flores, Lorenzo Prendini, James M. Carpenter
Department of Entomology: Faculty Publications
Tetraopes longhorn beetles are known for their resistance to milkweed plant toxins and their coevolutionary dynamics with milkweed plants (Asclepias). This association is considered a textbook example of coevolution, in which each species of Tetraopes is specialized to feed on one or a few species of Asclepias. A major challenge to investigating coevolutionary hypotheses and conducting molecular ecology studies lies in the limited understanding of the evolutionary history and biogeographical patterns of Tetraopes. By integrating genomic, morphological, paleontological, and geographical data, we present a robust phylogeny of Tetraopes and their relatives, using three inference methods with …
Toxicity Of Three Species Of The Solanaceae Family Growing In Algeria Against Culiseta Longiareolata Mosquitos 4th Stage Larvae, Saliha Benhissen, Abdelmaddjid Yagoub Asloum, Nora Belkhiri, Zakaria Hedjouli, Siham Bounadji, Wafa Habbachi, Khellaf Rebbas
Toxicity Of Three Species Of The Solanaceae Family Growing In Algeria Against Culiseta Longiareolata Mosquitos 4th Stage Larvae, Saliha Benhissen, Abdelmaddjid Yagoub Asloum, Nora Belkhiri, Zakaria Hedjouli, Siham Bounadji, Wafa Habbachi, Khellaf Rebbas
Journal of Bioresource Management
Mosquitoes have always been considered a source of harm to humans and animals mainly because they can be vectors of disease. This work represents a study on the effect of aqueous extract of three plants (Hyoscyamus albus, Solanum elaeagnifolium, Solanum nigrum) of the Solanaceae family on the mortality of 4th stage larvae of Culiseta longiareolata larvae. Extract of the high impact is of S. nigrum followed by H. albus and S. elaeagnifolium, respectivley of C. longiareolata larvae.
In Silico Analysis Of C-Type Lectins As Co-Infection Receptors Of Dengue And Chikungunya Viruses In Aedes Aegypti, Munawir Sazali, R. C. Hidayat Soesilohadi, Nastiti Wijayanti, Tri Wibawa, Arif Nur Muhammad Ansori
In Silico Analysis Of C-Type Lectins As Co-Infection Receptors Of Dengue And Chikungunya Viruses In Aedes Aegypti, Munawir Sazali, R. C. Hidayat Soesilohadi, Nastiti Wijayanti, Tri Wibawa, Arif Nur Muhammad Ansori
Makara Journal of Science
Aedes aegypti is a primer vector of dengue virus (DENV) and chikungunya virus (CHIKV). The susceptibility of mosquitoes to DENV and CHIKV depends on their recognition receptor of pathogens. C-type lectins (CTLs) are an important mediator of virus infection in A. aegypti. This study aims to identify potential receptors and determine the binding affinity between ligand–receptor interaction, CTLs and virus envelopes (DENV-1, 2, 3, and 4 and CHIKV) interaction based on in silico analysis. Sample sequences were obtained from GenBank (NCBI), and 10 CTLs were acquired from VectorBase. Homology modeling based on a minimum standard of 20% was processed …
Species Delimitation, Discovery And Conservation In A Tiger Beetle Species Complex Despite Discordant Genetic Data., Daniel P. Duran, Robert A Laroche, Stephen J Roman, William Godwin, David P Herrmann, Ethan Bull, Scott P Egan
Species Delimitation, Discovery And Conservation In A Tiger Beetle Species Complex Despite Discordant Genetic Data., Daniel P. Duran, Robert A Laroche, Stephen J Roman, William Godwin, David P Herrmann, Ethan Bull, Scott P Egan
School of Earth & Environment Departmental Research
In an age of species declines, delineating and discovering biodiversity is critical for both taxonomic accuracy and conservation. In recent years, there has been a movement away from using exclusively morphological characters to delineate and describe taxa and an increase in the use of molecular markers to describe diversity or through integrative taxonomy, which employs traditional morphological characters, as well as genetic or other data. Tiger beetles are charismatic, of conservation concern, and much work has been done on the morphological delineation of species and subspecies, but few of these taxa have been tested with genetic analyses. In this study, …
El Retamo Espinoso (Ulex Europeaus L.) En La Provincia Del Sumapaz, Arlette Ivonne Gil Clavijo, Jenny Paola Moreno Lopez, Laguandio Del Cristo Banda Sánchez, Alba Gissela Fajardo Ortiz, Ángela Ginet Prieto Chitiva, Anyela Patricia Guaidia Gómez, César Alfonso Ariza Castillo, Daniela Rincón Garzón, Erika Katerina Romero González, Gloria Adriana Velosa Cruz, Héctor Emilio Tinjacá Torres, Iván Camilo Perilla Domínguez, Jader Yedfrey Rodríguez Velásquez, Juan Gabriel Niño Castillo, Juliana Andrea Martínez Chiguachi, Juliet Andrea Clavijo Giraldo, Karen Lorena Herrera Delgado, Lina Ximena Galindo Castillo, María Del Carmen Sierra Garzón, Natalia Arias Rodríguez, Odair Andrade Andrade
El Retamo Espinoso (Ulex Europeaus L.) En La Provincia Del Sumapaz, Arlette Ivonne Gil Clavijo, Jenny Paola Moreno Lopez, Laguandio Del Cristo Banda Sánchez, Alba Gissela Fajardo Ortiz, Ángela Ginet Prieto Chitiva, Anyela Patricia Guaidia Gómez, César Alfonso Ariza Castillo, Daniela Rincón Garzón, Erika Katerina Romero González, Gloria Adriana Velosa Cruz, Héctor Emilio Tinjacá Torres, Iván Camilo Perilla Domínguez, Jader Yedfrey Rodríguez Velásquez, Juan Gabriel Niño Castillo, Juliana Andrea Martínez Chiguachi, Juliet Andrea Clavijo Giraldo, Karen Lorena Herrera Delgado, Lina Ximena Galindo Castillo, María Del Carmen Sierra Garzón, Natalia Arias Rodríguez, Odair Andrade Andrade
Ciencias Agropecuarias
El retamo espinoso ( Ulex europaeus L.), una planta europea altamente agresiva en Colombia, afecta los páramos y desplaza especies nativas, generando preocupación ecológica. Este estudio investiga su biología, a partir de un banco de semillas (113 semillas/m² a 5 cm), acumulación de biomasa (0,006732 g/día en 481 días), fenología en estado juvenil durante 378 días sin floración, y resultados preliminares del uso de herbicidas en los tallos. Estos datos iniciales son cruciales para desarrollar métodos de control, abordando disciplinas como ecología, fenología, hábitat, herbicidas, malezas, biodiversidad y bioseguridad.
Honey Bee Colony Behavior And Ontogeny Are Adversely Affected When Exposed To A Pesticide-Contaminated Environment, Rogan Tokach, Autumn H. Smart, Carol Fassbinder-Orth, Chandler Fong, Judy Wu-Smart
Honey Bee Colony Behavior And Ontogeny Are Adversely Affected When Exposed To A Pesticide-Contaminated Environment, Rogan Tokach, Autumn H. Smart, Carol Fassbinder-Orth, Chandler Fong, Judy Wu-Smart
Department of Entomology: Faculty Publications
Honey bees exhibit age polyethism and thus have a predictable sequence of behaviors they express through developmental time. Numerous laboratory studies show exposure to pesticides may impair critical honey bee behaviors (brood care, foraging, egg-laying, etc.) that adversely affect colony productivity and survival. There are fewer studies that examine the impacts of pesticides in natural field settings, especially given the challenges of implementing treatment groups and controlling variables. This study helps address the need for impact studies on pollinators under field conditions to assess the consequences of chemical overuse and dependency in agricultural and urban landscapes. To assess the impact …
Resistance Management And Integrated Pest Management Insights From Deployment Of A Cry3bb1+ Gpp34ab1/Tpp35ab1 Pyramid In A Resistant Western Corn Rootworm Landscape, Lance J. Meinke, Jordan D. Reinders, Timothy B. Dang, Jeffrey T. Krumm, Clinton D. Pilcher, Matthew W. Carroll, Graham P. Head
Resistance Management And Integrated Pest Management Insights From Deployment Of A Cry3bb1+ Gpp34ab1/Tpp35ab1 Pyramid In A Resistant Western Corn Rootworm Landscape, Lance J. Meinke, Jordan D. Reinders, Timothy B. Dang, Jeffrey T. Krumm, Clinton D. Pilcher, Matthew W. Carroll, Graham P. Head
Department of Entomology: Faculty Publications
In Nebraska USA, many populations of western corn rootworm (WCR), Diabrotica virgifera virgifera LeConte, now exhibit some level of resistance to all corn rootworm-active Bacillus thuringiensis Berliner (Bt) proteins expressed in commercial hybrids. Therefore, a study was conducted in northeast Nebraska from 2020–2022 to reevaluate current corn rootworm management options in continuous maize (consecutive planting for ≥2 years). Results from on-farm experiments to evaluate a standard soil-applied insecticide (Aztec® 4.67G) in combination with non-rootworm Bt or rootworm-active Bt pyramided maize (Cry3Bb1 + Gpp34Ab1/Tpp35Ab1) are reported within the context of WCR Bt resistance levels present. Corrected survival from Bt pyramid single-plant …
Major Northeastward Range Extension For A Western Grasshopper Species: New State Record For Trimerotropis Pallidipennis (Burmeister) In Wisconsin, Mathew L. Brust
Major Northeastward Range Extension For A Western Grasshopper Species: New State Record For Trimerotropis Pallidipennis (Burmeister) In Wisconsin, Mathew L. Brust
The Great Lakes Entomologist
Trimerotropis pallidipennis (Burmeister) mostly occurs in the southwestern U.S., but is known to migrate significant distances periodically. It appears that some individuals of this species occasionally migrate very long distances. Here I present an extreme record for this species, over 480 km northeast of any previously known records, including any others recorded from 2022. A single male specimen was collected and photographed in Price County in north-central Wisconsin in June 2022.
Adult Neurocolpus Nubilus And Plagiognathus Sp. Dispersal On Tropaeolum Majus, Elyse Malamud
Adult Neurocolpus Nubilus And Plagiognathus Sp. Dispersal On Tropaeolum Majus, Elyse Malamud
The Great Lakes Entomologist
Neurocolpus nubilus (Say) (Hemiptera: Miridae), commonly known as the clouded plant bug, is a species of plant bug. Widespread primarily across eastern North America, N. nubilus is known to feed on many types of plants. At least 43 host plants spanning 34 plant families have been recorded for N. nubilus and more may be possible. Plagiognathus (Fieber) (Hemiptera: Miridae) is a genus of plant bugs that is widespread across the Holarctic region. Plagiognathus spp. are typically found on various woody host plants. This paper describes an instance of adult N. nubilus and Plagiognathus sp. feeding on a cultivar of Tropaeolum …
First Known Records Of The Specialist Bee, Colletes Aestivalis (Hymenoptera: Colletidae), In An Urban Area, Nina S. Fogel, Christine Kirmaier, Mike Arduser
First Known Records Of The Specialist Bee, Colletes Aestivalis (Hymenoptera: Colletidae), In An Urban Area, Nina S. Fogel, Christine Kirmaier, Mike Arduser
The Great Lakes Entomologist
Here we report on the first known records of the Heuchera specialist bee Colletes aestivalis in an urban area. This bee was found by a participant in a citizen science project in a residential garden in a suburb that abuts St. Louis, Missouri. The females were found only visiting Heuchera richardsonii, and the males were seen scouting for females by hovering over the plants. This finding shows that urban areas can support uncommon specialist bees and the utility of engaging non-experts in cataloging biodiversity.
Willow Pollen Collection By A Blueberry Specialist Bee (Hymenoptera: Andrenidae), James B. Watson, Keziah G. Bartel, Jason Gibbs
Willow Pollen Collection By A Blueberry Specialist Bee (Hymenoptera: Andrenidae), James B. Watson, Keziah G. Bartel, Jason Gibbs
The Great Lakes Entomologist
Andrena (Conandrena) bradleyi Viereck (Hymenoptera: Andrenidae) is widely regarded as a Ericaceae specialist bee due to its elongate head, plant records, and common collection in commercial blueberry fields. We provide evidence of A. bradleyi collecting pollen from willow (Salix, Salicaceae) L. in southeastern Manitoba. This indicates the bee is not obligately specialized on Ericaceae pollens and that early blooming plants may contribute to its early nutritional requirements.
Evidence Of Lilac Borer (Lepidoptera: Sesiidae) Population On Mackinac Island, Mi, David Max Lowenstein
Evidence Of Lilac Borer (Lepidoptera: Sesiidae) Population On Mackinac Island, Mi, David Max Lowenstein
The Great Lakes Entomologist
Mackinac Island, Michigan, is a major tourism destination with its lilacs an important part of the local culture. Recently, the health of some lilacs has declined. It is uncertain if this is due to the lilac’s age, attack by lilac borer, Podosesia syringae (Harris) (Lepidoptera: Sesiidae), or a combination of environmental and biotic factors. The lilac borer is a clearwing moth whose larvae bore within ash and lilac, and there are minimal local records of the insect in Northern Michigan and none on Mackinac Island. This study deployed pheromone traps to identify the flight period of lilac borer, potential damage …
New Record Of The Pavement Ant, Tetramorium Immigrans (Hymenoptera: Formicidae), In South Dakota With Notes On Its Thermal Tolerance And Geographic Distribution, Karl A. Roeder, Skylar Drey, Jesse D. Daniels, Diane V. Roeder, Jackson A. Helms Iv
New Record Of The Pavement Ant, Tetramorium Immigrans (Hymenoptera: Formicidae), In South Dakota With Notes On Its Thermal Tolerance And Geographic Distribution, Karl A. Roeder, Skylar Drey, Jesse D. Daniels, Diane V. Roeder, Jackson A. Helms Iv
The Great Lakes Entomologist
The pavement ant, Tetramorium immigrans, is an abundant and widespread species across large portions of the United States. Yet despite its current distribution in Northeastern, Midwestern, Pacific, and Western states, there is a surprising lack of records from the Great Plains. Here we present an updated county list of T. immigrans from museum collections and research grade observations (459 counties; ~15% of US counties), highlighting the first records from one Great Plains state—South Dakota. Observations on community science platforms since 2006 have undoubtedly increased the awareness of T. immigrans (+329 counties; ~72% of all county records), however we posit …
Bee (Hymenoptera: Anthophila) Richness In Eastern Ohio Pipeline Right Of Ways, Malisa Spring, Gabriel R. Karns
Bee (Hymenoptera: Anthophila) Richness In Eastern Ohio Pipeline Right Of Ways, Malisa Spring, Gabriel R. Karns
The Great Lakes Entomologist
It is relatively unknown which species of bees utilize pipeline Right of Ways. Most recent Right of Way research focuses on bees found on electrical transmission Right of Ways instead. Ohio is also relatively understudied in terms of bee richness. This project sought to document bees that are found in these pipeline Right of Ways in 4 heavily forested counties in eastern Ohio. A total of 3950 specimens were collected, accounting for 140 species across two years of sampling (2016 and 2018). Overall bee abundance peaked mid-season, with the highest abundance observed in July. The majority of bees collected were …
Reevaluating Abrupt Biological Discontinuity In A Small Michigan (Usa) Stream – Differences In The Organic Biomass Of Aquatic Macroinvertebrate Functional Feeding Groups Based On Benthic And Terrestrial Habitat, David C. Houghton, Danae Sollie, Daniel Votel, Elizabeth Potwardowski
Reevaluating Abrupt Biological Discontinuity In A Small Michigan (Usa) Stream – Differences In The Organic Biomass Of Aquatic Macroinvertebrate Functional Feeding Groups Based On Benthic And Terrestrial Habitat, David C. Houghton, Danae Sollie, Daniel Votel, Elizabeth Potwardowski
The Great Lakes Entomologist
To examine the effects of habitat and benthic substrate differences on macroinvertebrate assemblages along a single continuum, we tested three sites along a small northern Lower Michigan stream over a four-year period. Terrestrial habitat along the stream abruptly changed from a cedar forest, to an open meadow, to a hardwood forest within a 1.4 km reach. Reflecting these changes, overhead canopy coverage and in-stream woody debris were higher at the two forested sites, whereas the organic biomass of periphyton was higher at the meadow site. The meadow site also had faster stream velocity and a greater volume of coarse benthic …
Observations On A Dendroctonus Simplex (Coleoptera: Curculionidae: Scolytinae) Outbreak In A Rangewide Tamarack (Larix Laricina) Provenance Plantation In Michigan, Robert A. Haack, Richard W. Blank
Observations On A Dendroctonus Simplex (Coleoptera: Curculionidae: Scolytinae) Outbreak In A Rangewide Tamarack (Larix Laricina) Provenance Plantation In Michigan, Robert A. Haack, Richard W. Blank
The Great Lakes Entomologist
A tamarack [Larix laricina (Du Roi) K. Koch] provenance plantation, consisting of 33 seed sources from the United States and Canada, was established in 1969 in southern Michigan (Kalamazoo County). About half of the trees were removed in fall 1984 when the stand was thinned, with the cut trees piled on the edge of the stand. The stand then experienced a severe ice storm in January 1985. The eastern larch beetle, Dendroctonus simplex LeConte, colonized the cut logs in 1985 and also infested many of the standing trees. By the end of 1986, over half the remaining trees had …
Observations On The Oak Twig Pruner, Anelaphus Villosus (Coleoptera: Cerambycidae), In Michigan: Size Of Twigs Pruned, Insect Survival, And Seasonality Of Twig Drop, Robert A. Haack
The Great Lakes Entomologist
The oak twig pruner [OTP; Anelaphus villosus (Fabricius)] is likely a species complex, with A. parallelus (Newman) recently recognized as a synonym. The parallelus form of A. villosus is considered the subject of this paper. In Michigan, OTP has a 2-year life cycle, with twigs pruned primarily in even-numbered years and adults emerging from the fallen twigs in odd-numbered years. During 1990 to 2011, I studied various aspects of OTP life history in southern Michigan (Ingham County). Based on measurements from over 300 infested oak twigs, they averaged 43.1 cm long, 9.4 mm in diameter at the pruned end, …
Flies Associated With Floral Canopies Of The New Oilseed Crop, Pennycress, In The Midwestern U.S.A., Frank Forcella, Matt Petersen, William L. Perry, Samantha S. Wells, Alex Hard, Russ W. Gesch, Yesuf Mohammed, Cody Hoerning, Tad L. Wesley, Emma Ambrosi, Winthrop B. Phippen
Flies Associated With Floral Canopies Of The New Oilseed Crop, Pennycress, In The Midwestern U.S.A., Frank Forcella, Matt Petersen, William L. Perry, Samantha S. Wells, Alex Hard, Russ W. Gesch, Yesuf Mohammed, Cody Hoerning, Tad L. Wesley, Emma Ambrosi, Winthrop B. Phippen
The Great Lakes Entomologist
Flies are frequent visitors to flowers of many species of plants within the mustard family (Brassicaceae). They derive nutrition from these flowers, and some fly species are pollinators. Field pennycress (Thlaspi arvense) is a mustard species that is being developed as a new “cash cover crop,” i.e., an autumn-sown cover crop whose oil-rich seeds can be harvested profitably in spring. Although pennycress is largely wind- and self-pollinated, its flowers also attract insect visitors. However, the extent of visitation to pennycress flowers by flies remains largely unknown, especially the identities of those flies. Thus, we examined flies associated with …
The Heteroptera (Hemiptera) Of North Dakota Ii: Enicocephalomorpha : Enicocephalidae, Alexander H. Knudson, Veronica Calles Torrez, David A. Rider
The Heteroptera (Hemiptera) Of North Dakota Ii: Enicocephalomorpha : Enicocephalidae, Alexander H. Knudson, Veronica Calles Torrez, David A. Rider
The Great Lakes Entomologist
The Enicocephalomorpha of North Dakota is documented with the report of the unique-headed bug, Systelloderes biceps (Say, 1832) from North Dakota for the first time. We also discuss the geographic distribution of S. biceps and Systelloderes culicis (Uhler, 1892), provide color photographs, provide diagnoses for the separation of these species from all other North American species, and designate a lectotype for S. culicis (Uhler).
Cover Art For Tgle Vol. 56 Nos 3 & 4
Cover Art For Tgle Vol. 56 Nos 3 & 4
The Great Lakes Entomologist
Cover Art for TGLE Vol. 56 Nos 3 & 4
Cover Pages For Tgle Vol. 56 Nos 3 & 4
Cover Pages For Tgle Vol. 56 Nos 3 & 4
The Great Lakes Entomologist
Cover Pages for TGLE Vol. 56 Nos 3 & 4
Full Issue For Tgle Vol. 56 Nos 3 & 4
Full Issue For Tgle Vol. 56 Nos 3 & 4
The Great Lakes Entomologist
Full Issue for TGLE Vol. 56 Nos 3 & 4