Entomology Commons^™

Histone Deacetylase 3 Is Required For Development And Metamorphosis In The Red Flour Beetle, Tribolium Castaneum, Smitha George, Subba Reddy Palli

Entomology Faculty Publications

Background

Hormones are chemical communication signaling molecules released into the body fluids to stimulate target cells of multicellular organisms. We recently showed that histone deacetylase 1 (HDAC1) plays an important role in juvenile hormone (JH) suppression of metamorphosis in the red flour beetle, Tribolium castaneum. Here, we investigated the function of another class I HDAC member, HDAC3, and show that it is required for the normal development of T. castaneum.

Results

RNA interference-mediated knockdown of the HDAC3 gene affected development resulting in abnormally folded wings in pupae and adults. JH analog, hydroprene, suppressed the expression of HDAC3 in …

Impacts Of Larval Diet On Pre-Imaginal Development, Survival And Adult Size Of Six Species Of Coccinellidae, Nathan Mercer, John J. Obrycki

Lady Beetle Research Data

Compared larval development, survival, and adult size of six lady beetle species on a diet of aphids or moth eggs

Invasive Paper Wasp Turns Urban Pollinator Gardens Into Ecological Traps For Monarch Butterfly Larvae, Adam M. Baker, Daniel A. Potter

Entomology Faculty Publications

Invasive species can be particularly disruptive when they intersect with organisms of conservation concern. Stabilizing the declining eastern migratory population of monarch butterflies (Danaus plexippus) is projected to require extensive habitat restoration across multiple land use sectors including metropolitan areas. Numerous conservation programs encourage urban citizens to plant gardens with milkweeds, the obligate larval host plants of the monarch. Here, we show that predation by Polistes dominula, an invasive paper wasp that is particularly abundant in urban settings, can turn such sites into ecological traps for monarch larvae. Polistes dominula was the predominant paper wasp seen foraging …

Alfalfa Weevil In Utah, Kaitlin Rim, Joseph Clarine, Steven Price, Ricardo Ramirez

All Current Publications

The alfalfa weevil is a major pest throughout Utah. It is a beetle with one generation per year. Eggs hatch in the spring, and the grub-like immature weevils (larvae) feed by chewing on the alfalfa foliage. In high numbers, alfalfa weevils can cause severe damage to Utah alfalfa. In any given year, however, the weevils are few enough in number in many fields to cause only minor damage. Monitor larval populations in early spring using sweep net or stem count methods. Insecticide resistance can be reduced by spraying only when needed, properly timing sprays, and rotating between modes of action.

Cellular And Molecular Targets Of Waterbuck Repellent Blend Odors In Antennae Of Glossina Fuscipes Fuscipes Newstead, 1910, Souleymane Diallo, Mohd Shahbaaz, Baldwyn Torto, Alan Christoffels, Daniel Masiga, Merid N. Getahun

All Peer-Reviewed Publications

Insects that transmit many of the world’s deadliest animal diseases, for instance trypanosomosis, find their suitable hosts and avoid non-preferred hosts mostly through olfactory cues. The waterbuck repellent blend (WRB) comprising geranylacetone, guaiacol, pentanoic acid, and δ-octalactone derived from waterbuck skin odor is a repellent to some savannah-adapted tsetse flies and reduces trap catches of riverine species. However, the cellular and molecular mechanisms associated with detection and coding of the repellent odors remain to be elucidated. Here, we demonstrated that WRB inhibited blood feeding in both Glossina pallidipes Austen, 1903 and Glossina fuscipes fuscipes Newstead, 1910. Using the DREAM (Deorphanization …

Nebline, June/July 2020

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Top 5 Ag Topics From 5 Years

7 Tips for Successfully Baking as a Family

Recipe of the Month

Timing Your Fruit Harvesting Apples, Pears & Plums

Paper Wasps and Yellow Jackets

Severe Weather Preparedness and COVID-19

Time to Look for Bagworms

Garden Guide: What to Do This Month

5 Tips for Working Remotely from Home and Caring for Children During COVID-19

HEART OF 4-H VOLUNTEER AWARD: Grace Kim

HEART OF 4-H VOLUNTEER AWARD: Greater Lincoln Obedience Club

4-H/FFA Livestock Booster Club Scholarships Due July 6

Video Companion Animal (and Cat and Pet Rabbit) Showmanship Entries Due Aug. 10

Horse …

Preparing To Cocreate: Using Learning Circles To Readyextension Professionals For Meaningful Stakeholderengagement, Bob Bertsch, Jill Heemstra, Doug Golick

Department of Entomology: Faculty Publications

Extension professionals are being asked to address complex public issues. Doing so requires cocreativeapproaches that engage, in a significant way, the people affected by these issues. Successful engagement,however, requires specific skills and a cocreative mind-set. Extension professionals in two states participatedin learning circles to improve their engagement skills. Using a survey and interviews, we studied the impact ofthe learning circle experience on participants. We found that learning circles helped participants practicecolearning, build relationships, and change their mind-sets in ways that could move their work toward morecocreative efforts.

Exploiting Insect-Specific Viruses As A Novel Strategy To Control Vector-Borne Disease, Edward I. Patterson, Jandouwe Villinger, Joseph N. Muthoni, Lucien Dobel-Ober, Grant L. Hughes

All Peer-Reviewed Publications

Novel insect-specific viruses (ISVs) are being discovered in many important vectors due to advances in sequencing technology and a growing awareness of the virome. Several in vitro and in vivo studies indicate that ISVs are capable of modulating pathogenic arboviruses. In addition, there is growing evidence that both vertical and horizonal transmission strategies maintain ISVs in vector populations. As such there is potential to exploit ISVs for stand-alone vector control strategies and deploying them in synergy with other symbiont control approaches such as Wolbachia-mediated control. However, before the applied potential can be realized, a greater understanding of their basic biology …

The Comparative Virulence Of An Atoxigenic Strain Of Aspergillus Flavus (Eurotiales: Trichocomaceae) And The Commercial Icipe 69 Metarhizium Anisopliae (Hypocreales: Clavicipitaceae) To The Bean Leaf Beetle Ootheca Mutabilis (Coleoptera: Chrysomelidae), Julius Mugonza, Michael H. Otim, James P. Egonyu

All Peer-Reviewed Publications

The recent isolation of an atoxigenic strain of Aspergillus flavus (Link) (Eurotiales: Trichocomaceae), which was virulent to all stages of Xylosandrus compactus (Eichhoff) (Coleoptera: Curculionidae) has generated interest to investigate virulence of the entomopathogenic fungus against other crop pests, and how it compares with established commercial biopesticides. In this study, we tested the pathogenicity and virulence of the atoxigenic A. flavus strain to Ootheca mutabilis (Sahlberg) (Coleoptera: Chrysomelidae) in the laboratory compared to the commercial Metarhizium anisopliae (Metschnikoff Sorokin) (Hypocreales: Clavicipitaceae; OD®, ICIPE 69). Serial dilutions of both entomopathogenic fungi (1 × 106–1 × 109 conidia/ml) were evaluated against adult …

Integrated Management Of Aphis Craccivora In Cowpea Using Intercropping And Entomopathogenic Fungi Under Field Conditions, Allan Mweke, Komivi Senyo Akutse, Christian Ulrichs, Komi Kouma Mokpokpo Fiaboe, Nguya Kalemba Maniania, Sunday Ekesi

All Peer-Reviewed Publications

Cowpea aphid, Aphis craccivora, is a major cowpea pest. Cowpea–cereal intercrop alone does not effectively manage the pest. Use of pesticides in intercrop leads to health and environmental risks. Fungal-based biopesticides offer a better option because they are environment-and consumer-friendly. This study assessed the combined effect of Metarhizium anisopliae ICIPE 62 and cowpea–maize intercrop against A. craccivora under six treatments: (1) untreated cowpea monocrop, (2) untreated cowpea–maize intercrop, (3) cowpea monocrop + ICIPE 62, (4) cowpea–maize intercrop + ICIPE 62, (5) cowpea monocrop + Duduthrin insecticide, and (6) cowpea–maize intercrop + Duduthrin during three seasons (long rainy/cold and dry/short rainy). …

Moss-Inhabiting Flea Beetles Of The West Indies I: New Species Of Borinken Konstantinov And Konstantinova And Kiskeya Konstantinov And Chamorro-Lacayo (Coleoptera: Chrysomelidae: Galerucinae: Alticini) From Puerto Rico, Alexander S. Konstantinov, Adelita Maria Linzmeier, Sonja J. Scheffer, Matthew L. Lewis

Insecta Mundi

Three new species of flea beetles (Coleoptera: Chrysomelidae: Galerucinae: Alticini) from moss cushions from Puerto Rico are described: Borinken toronegro Konstantinov and Linzmeier and Kiskeya segar­rai Konstantinov and Linzmeier from the Toro Negro mountain region and Kiskeya micheliorum Konstantinov and Linzmeier from the Maricao mountains. New species are compared morphologically with already known species from the same genera. In addition, to determine the similarities between moss inhabiting flea beetles, we sequenced the Cytochrome oxidase I barcode region of larval and adult specimens. In all cases, the distances between species are well outside the 2% species-limit cutoff typically used as an …

Description Of A New Species Of Xalitla Lane, 1959 (Cerambycidae: Cerambycinae: Neoibidionini) From Western Mexico, Antonio Santos-Silva, Frederick W. Skillman Jr.

Insecta Mundi

The tribal allocation of Xalitla Lane, 1959 (Cerambycidae: Cerambycinae) is discussed. Xalitla limoni Santos-Silva and Skillman, new species, is described from Mexico (Jalisco). Xalitla lezamai Galileo and Mar­tins, 2008 is determined to be synonymous with X. genuina Martins, 1970 and formally placed in synonymy. A key to the species of Xalitla, which includes the new species and synonymy, is provided.

South American Coccinellidae (Coleoptera), Part Xx: Systematic Revision Of South American Calloeneis Grote (Cryptognathini), Robert D. Gordon, Guillermo González F., Guy A. Hanley

Insecta Mundi

Species of Calloeneis Grote (Coleoptera: Coccinellidae) are discussed, and a key to all recognized species is provided. New species described are C. alexandra, C. angelica, C. blanca, C. bennetti, C. bethany, C. brooke, C. francis, C. jacquelin, C. johnnie, C. kara, C. krista, C. leticia, C. lynne, C. robyn, C. marianne, C. myra, C. rosalie, C. roxanne and C. sheri, all authored by Gordon and Hanley.

Caddisflies (Trichoptera) Of The Buffalo National River, Arkansas, David E. Bowles, Cameron Cheri, Faron D. Usrey, Jeffrey M. Williams

Insecta Mundi

We report 106 species of caddisflies (Trichoptera) representing 44 genera and 16 families that were collected across 50 sampling sites in the Buffalo River watershed. The species collected represent about 45% of the known Interior Highlands caddisfly fauna. The most speciose families collected were the Hydroptilidae (30), Leptoceridae (21), and Hydropsychidae (17). Two species found during this study, Paduniella nearctica and Ochrotrichia contorta, are listed as species of special concern in the state of Arkansas due to their relative rarity. Similarity analysis values among collection sites ranged from 9% to 77%. Seriation analysis of caddisfly genera and species showed …

Arcola Malloi (Pastrana), The Alligatorweed Stemborer, A New Synonym Of Macrorrhinia Endonephele (Hampson) (Lepidoptera: Pyralidae: Phycitinae), James E. Hayden, Jean-François Landry

Insecta Mundi

Arcola malloi (Pastrana, 1961) is a junior subjective synonym of Macrorrhinia endonephele (Hampson, 1918) syn. nov. (Lepidoptera: Pyralidae). The species is a biological control agent introduced in United States and Australia to control alligatorweed, Alternanthera philoxeroides (Mart.) Griseb. (Amaranthaceae). The synonymy is recognized by comparison of type specimens, genitalic dissections, and DNA COI barcoding. Vogtia Pastrana, 1961 syn. nov. and Arcola Shaffer, 1995 syn. nov. are synonymized with Macrorrhinia Ragonot, 1887. Macror­rhinia megajuxta (Neunzig and Goodson, 1992) comb. nov. is transferred from Ocala Hulst, 1892. Lectotypes are designated for Divitiaca ochrella Barnes and McDunnough, 1913, and Divitiaca simulella Barnes and …

Additional Observations On The Nesting Behavior Of Miscophus (Nitelopterus) Californicus (Ashmead) (Hymenoptera: Crabronidae), Frank E. Kurczewski, Alice J. Abela, Darrell Ubick

Insecta Mundi

Close-up photographs of nest entry, nest closure and prey transport taken on sandy coastal back dunes in Santa Barbara County, CA by Alice J. Abela substantiate and enhance written descriptions of these nesting be­havior components in Miscophus californicus (Ashmead) [=M. laticeps (Ashmead)] (Hymenoptera: Crabronidae). Dictynidae (Dictyna Sundevall or Emblyna Chamberlin) is introduced as a new host family and host spider leg amputation is revealed for the first time for this small miscophine wasp.

Miscophus (Nitelopterus) californicus (Ashmead) (Hymenoptera: Crabronidae) is a small (4.5–7.0 mm) Nearctic miscophine wasp that ranges from California and Arizona north to southern …

Erratum To Armitage And Harris (2020): The Trichoptera Of Panama Xiv. New Species Of Microcaddisflies (Trichoptera: Hydroptilidae) From Omar Torrijos Herrera National Park, Brian J. Armitage, Steven C. Harris

Insecta Mundi

After publication of Armitage and Harris (2020), it was noticed that the wrong illustrations were used for the species Neotrichia espinosa Armitage and Harris (Fig. 9) and Neotrichia michaeli Armitage and Harris (Fig. 10), resulting in images that did not correspond to the captions. The authors and the Insecta Mundi editorial staff apologize for this error. The intended versions of Figures 9 and 10 are reproduced here. Insecta Mundi has also released a revised version of the Armitage and Harris (2020) manuscript, with this error corrected. However, the revised version is not an official peer-reviewed article, and anyone wishing to …

Comparative Analysis Of Viruses In Four Bee Species Collected From Agricultural, Urban, And Natural Landscapes, Tugce Olgun, Sydney Everhart, Troy D. Anderson, Judy Wu-Smart

Department of Entomology: Faculty Publications

Managed honey bees (Apis mellifera L.) and wild bees provide critical ecological services that shape and sustain natural, agricultural, and urban landscapes. In recent years, declines in bee populations have highlighted the importance of the pollination services they provide and the need for more research into the reasons for global bee losses. Several stressors cause declining populations of managed and wild bee species such as habitat degradation, pesticide exposure, and pathogens. Viruses, which have been implicated as a key stressor, are able to infect a wide range of species and can be transmitted both intra- and inter-specifically from infected …

Polilla De La Manzana, Marion Murray, Diane G. Alston, Michael Reding

All Current Publications

Polilla de la manzana (Orden Lepidoptera, familia Tortricidae) es la plaga más grave de la manzana y la pera en todo el mundo (Fig. 1). En la mayoría de las regiones productoras de las frutas más comerciales y en los patios de casas en Utah, la fruta debe ser protegida para cosechar un cultivo.

Plagas Frutales: Pera, Marion Murray, Diane G. Alston

All Current Publications

El fuego bacteriano es causado por una bacteria llamada Erwinia amylovora. Las peras son muy susceptibles al fuego bacteriano. Flores, ramitas terminales, y a veces ramas enteras o árboles mueren. Las condiciones ambientales que favorecen la infección son los días lluviosos calientes durante la floración. La lluvia, el rocío fuerte, y los insectos propagan las bacterias exudadas a las flores, donde las nuevas infecciones se producen

Plagas Frutales: Albaricoque, Marion Murray, Diane G. Alston

All Current Publications

El tiro de munición es una enfermedad de hongos común en Utah. Ataca capullos latentes de hojas, brotes de flores, hojas, frutos y ramitas. Las lesiones visibles ocurren primero en las hojas jóvenes como pequeñas manchas redondas y bronceadas que con el tiempo se caen, dejando agujeros redondos.

Plagas Frutales: Cereza, Marion Murray, Diane G. Alston

All Current Publications

El tiro de munición ataca capullos latentes de hojas, brotes de flores, hojas, frutos y ramitas (las infecciones de frutas son menos comunes en la cereza). Las primeras lesiones visibles ocurren en las hojas jóvenes como pequeñas manchas redondas y moradas. Eventualmente estas infecciones se caen, dejando agujeros redondos dando el nombre a esta enfermedad.

Plagas Frutales: Ciruela, Marion Murray, Diane G. Alston

All Current Publications

Causada por un organismo parecido a un hongo de suelo (Phytophthora), ésta enfermedad se produce en todo el mundo en casi todos los árboles frutales. Phytophthora está presente en la mayoría de los suelos, pero sólo causa infección en circunstancias óptimas, las cuáles son alta humedad del suelo o agua estancada, y un huésped susceptible.

Plagas Frutales: Durazno Y Nectarine, Marion Murray, Diane G. Alston

All Current Publications

El tiro de munición es una enfermedad de hongos común en Utah. Ataca capullos latentes de hojas, brotes de flores, hojas, frutos y ramitas. Las primeras lesiones visibles ocurren en las hojas jóvenes como pequeñas manchas redondas y bronceadas que con el tiempo se caen, dejando agujeros redondos. Las lesiones circulares se desarollan en la fruta que primero aparecen como manchas rojizas (mostradas a la derecha, arriba), y más tarde como protuberancias ásperas y taponadas.

Plagas Frutales: Manzana, Marion Murray, Diane G. Alston

All Current Publications

El fuego bacteriano es causado por una bacteria llamada Erwinia amylovora. Algunas variedades de manzanas son muy susceptibles a esta enfermedad, como Jonathan, Jonagold y Gala. Flores, ramitas terminales, y a veces ramas enteras o árboles mueren.

The Trichoplusia Ni Gut Microbiome And Its Derivation From The Phyllosphere Of Its Food Plants, Josemaria Garcia, Marisol Escanuela, Swapna Bhat, Evan Lampert

Georgia Journal of Science

Insects are the most abundant and diverse animals on planet Earth and rely on their diverse microbiomes to be so. The insect gut microbiome is vital in the growth and development of many insect species. Trichoplusia ni, the cabbage looper, is a generalist herbivore, but little is known about its microbiome. In this study, a metagenomic analysis of fecal samples was used to determine the effect of diet on the microbiome of T. ni larvae. Larvae were reared on six plant species, the microbiome was sampled from fecal material, and the phyllosphere was sampled from leaves the larvae ate. …

Splitting The Hive, Sheriden M. Hansen, Andree Walker-Bravo, Jaydee Gunnell

All Current Publications

Warming late spring temperatures mark the beginning of swarm season in Utah, especially for beehives that have successfully overwintered. Swarming is when bees naturally divide the existing colony roughly in half, with half the bees remaining in the hive and the other half leaving (with the queen) to look for new accommodations. Colonies that swarm are often left with limited resources, do not produce much honey, and can be rendered too weak to overwinter. Splitting your hives in anticipation of swarming can help reduce the negative effects of swarming, giving bees a chance to build up resources and strength before …

Current Applications And Limitations Of Forensic Entomology, Helena Volckaert

Themis: Research Journal of Justice Studies and Forensic Science

Forensic entomology is the study of arthropods concerning their application in crime scene investigation as a method of predicting postmortem interval (PMI) in deceased or missing individuals. PMI is determined by the life stage of insects present on-scene. Insects used in criminal investigations are primarily beetles, flies, or moths; this may also include various scavenging insects and hitchhiking mites. These creatures help colonize decayed tissue, providing crime scene personnel with live specimens collected and examined for biological evidence. Forensic entomology is currently a niche application in most investigations—as qualified entomologists are often needed—and proper analysis of collected evidence can be …

The Discovery Of Metarhizium Anisopliae (Metchnikoff) Sorokin Isolates From Arkansas And Their Pathogenicity To Amblyomma Americanum L., Austin Goldsmith

Graduate Theses and Dissertations

The lone star tick Amblyomma americanum L. is the most abundant tick in Arkansas and has been implicated as a vector of many important disease-causing pathogens. Many species of entomopathogenic fungi have been isolated from several species of ticks, with some of these fungi being utilized for tick biocontrol. However, few studies have assessed the pathogenicity of entomopathogenic fungi to A. americanum. The objectives of this study were to: isolate and identify native Arkansas isolates of entomopathogenic fungi from wild A. americanum ticks exposed to soil and to compare the pathogenicity of one isolate (Metarhizium anisopliae (Metchnikoff) Sorokin isolate Savoy …

Role Of Plant Volatile Organic Compounds (Vocs) In Seed Priming And Plant-Herbivore Interactions., Abhinav Kumar Maurya

Electronic Theses and Dissertations

This dissertation explores and expands the existing knowledge on the role of plant volatiles in facilitating seed priming and providing direct defense against herbivore. Although the roles of plant volatiles in priming a plant’s defenses and providing direct defense against pests is well known, information regarding their effects on seed and the fitness of future plants and direct toxicity to herbivores is understudied. This dissertation does a thorough examination of these two understudied aspects of plant volatiles and provides novel insight into the role of plant volatiles in seed priming and direct defense (Chapter I). Seeds in the soil can …