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University of Nebraska - Lincoln

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Full-Text Articles in Entomology

Surveillance Of Culex And Aedes Mosquitoes In Lincoln, Lancaster County, Nebraska, William Noundou Feb 2020

Surveillance Of Culex And Aedes Mosquitoes In Lincoln, Lancaster County, Nebraska, William Noundou

Department of Entomology: Dissertations, Theses, and Student Research

In 2018, West Nile virus (WNV) was identified as the leading cause of mosquito-borne disease in the continental United States. In response to this very serious problem, the Lincoln-Lancaster County Public Health Department (LLCHD) reinforced their mosquito surveillance program, which constitutes one of the best available tools to fight against this serious threat to human health. The objectives of this study were to 1) expand knowledge of the activity and relative abundance of mosquito communities in understudied areas and 2) evaluate differences in mosquito communities by urban and rural location, especially focusing on known vector species. A total of 6 …


Designation Of Neotype Of Hemileuca Maia (Drury, 1773) And Refinement Of Its Type Locality (Bombycoidea, Saturniidae, Hemileucinae), Harry Pavulaan Feb 2020

Designation Of Neotype Of Hemileuca Maia (Drury, 1773) And Refinement Of Its Type Locality (Bombycoidea, Saturniidae, Hemileucinae), Harry Pavulaan

The Taxonomic Report of the International Lepidoptera Survey

The present paper defines the original type locality of Hemileuca maia (Drury, 1773) as Edgewood, New York, in the Long Island Pine Barrens. It has been locally known as the “Coastal Pine Barrens Buckmoth” and its range may be confined entirely to Long Island, though populations throughout southeastern coastal New England and offshore islands may be considered the same nominotypical taxon. In analyzing historical events, there are questions regarding the geographic location, and source and eventual disposition of the specimen illustrated by artist Moses Harris in Drury (1773). While there is ample evidence that Drury’s specimen of maia came from …


Surveillance Of Culex And Aedes Mosquitoes In Lincoln, Lancaster County, Nebraska, William Noundou Feb 2020

Surveillance Of Culex And Aedes Mosquitoes In Lincoln, Lancaster County, Nebraska, William Noundou

Department of Entomology: Dissertations, Theses, and Student Research

In 2018, West Nile virus (WNV) was identified as the leading cause of mosquito-borne disease in the continental United States. In response to this very serious problem, the Lincoln-Lancaster County Public Health Department (LLCHD) reinforced their mosquito surveillance program, which constitutes one of the best available tools to fight against this serious threat to human health. The objectives of this study were to 1) expand knowledge of the activity and relative abundance of mosquito communities in understudied areas and 2) evaluate differences in mosquito communities by urban and rural location, especially focusing on known vector species. A total of 6 …


Nebline, February 2020 Feb 2020

Nebline, February 2020

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

High-Quality Early Child Care Is Important to Children and Communities

Taking Part is Your Civic Duty

Sweet Ideas Without Added Sugar

Berry Fun

Recipes of the Month

Pesticide Applicator Trainings

Growing Nut Trees Seminar, Feb. 20

Landlord/Tenant Cash Rent Workshop, Feb. 3

ProHort Lawn & Landscape Update

Southeast Nebraska Soil Health Conference, March 3

Backyard Bird Feeding Tips

Positive Change on Environmental Issues

What Do the Three Arrows of Recycling Mean?

2020 Flower All-America Selections

Garden Guide: Things to Do This Month

Lincoln Littles Early Childhood Education Initiative

Lincoln Early Childhood Conference

HEART OF 4-H

Meet 2019–2020 4-H Teen Council …


Hexapod Herald - Vol. 32, No. 1, February 2020 Feb 2020

Hexapod Herald - Vol. 32, No. 1, February 2020

Hexapod Herald and Other Entomology Department Newsletters

Welcome new Entomology Graduate Students!

Congratulations December Graduates!

Spring 2020 Beekeeping Workshops Planned

Student News & Activities

BugFest attendance increases last fall

Faculty Awards & News: Joe Louis, Tom Hunt, Justin McMechan, Bob Wright, Wayne Ohnesorg, Ron Seymour, Troy Anderson, Lance Meinke, Tom Weissling, Julie Peterson, Ana Vélez and Doug Golick

Publications & Books

Staff News & Activities

Online MS in Entomology Continues Growth


Bug Basics: A Quizlet Style Educational Trivia Game, Glynnys D. Pentecoste Feb 2020

Bug Basics: A Quizlet Style Educational Trivia Game, Glynnys D. Pentecoste

Department of Entomology: Distance Master of Science Projects

The goal of this project is to create and develop an augmented reality (AR) game that stimulates an interest in entomology and related ecological concepts. This project seeks to leverage AR technology to combine real-world overlays with virtual, computer-generated enhancements to foster or bolster an interest in insects and their natural habitat(s). Using scavenger hunt and geocaching strategies as the underlying conceptual paradigm, students will navigate a series of challenges to virtually collect a predetermined number of insect-related items or tokens. Using a trivia- or quizlet-style interface, knowledge of fundamental entomological concepts will be emphasized throughout. Successful navigation and completion …


Nebline, January 2020 Jan 2020

Nebline, January 2020

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

2019 Extension Highlights

Benefit to People

Extension’s Volunteers Worth Over $800,000

Resilience Makes Nebraska Strong

35,312 Youth Engaged in 4-H Programs

Find Tips and Recipes Easier at food.unl.edu

Recipe of the Month

UNL Food Processing Center Offers Assistance to Small Food Business Start-ups

Pesticide Applicator 2020 Training Dates

Successful Farmer Series Starts Jan. 10

Landlord/Tenant Cash Rent Workshop, Feb. 3

Soil Health Conference, March 3

Upcoming Green Industry Conferences

Extension’s 2020 Master Gardener Trainings, Two Sites Available

Garden Guide Things to Do This Month

Childcare Professionals — Considering Outdoor Play in Winter?

Upcoming Early Childhood Trainings

Heart of 4-H Volunteer …


Common Household Pests, Josh Matta Jan 2020

Common Household Pests, Josh Matta

Department of Entomology: Distance Master of Science Projects

Introduction -- The following booklet is meant to familiarize members of my organization with several important pests that are found on our product labels. My role in R&D is to evaluate the insecticidal performance of consumer pest control products and move them through the development process from initial screening to EPA claims validation. Another important part of my job is to educate a diverse team colleagues on various topics in entomology. This document will allow me to have basic life history and other important information available for the most common pest questions that come my way.

Public Health and Structural …


20 Is Plenty: The Most Infamous Of The Invasive Species, Giancarlo V. Maddaloni Jan 2020

20 Is Plenty: The Most Infamous Of The Invasive Species, Giancarlo V. Maddaloni

Department of Entomology: Distance Master of Science Projects

This informational resource was created to assist the general public in learning about the importance of invasive insects and provide help in identifying some of the most dangerous among them. This guide will also provide current information about prevention and control of these insects along with what high risk items travelers should be careful of returning with from abroad to control the spread of these pests. This resource also covers inter-state as well as intra-state pests of concern, illustrating the importance of adhering to quarantine guidelines while traveling through these regions. Whether or not this pest has become established, it …


Apopka Insect Field Guide, Sarah Parker Jan 2020

Apopka Insect Field Guide, Sarah Parker

Department of Entomology: Distance Master of Science Projects

For my master's project I created a printable insect field guide specific to my area for use by the local elementary and middle schools. My property is located near both Lakeville Elementary School and Piedmont Lakes Middle School, therefore insects collected in my garden should closely approximate the insects that could potentially be seen at either school. A targeted insect guide will help facilitate any number of observational activities and may encourage the schools to plant insect friendly vegetation to increase their abundance of insects. My goal is for this teaching tool to encourage local teachers to include insect education …


Note: First Records Of Alcathoe Carolinensis Engelhardt And Synanthedon Alleri (Engelhardt) In South Carolina, U.S.A., Juang Horng Chong, James D. Young Jan 2020

Note: First Records Of Alcathoe Carolinensis Engelhardt And Synanthedon Alleri (Engelhardt) In South Carolina, U.S.A., Juang Horng Chong, James D. Young

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Clearwing moths (Lepidoptera: Sesiidae) are day-flying hornet and wasp mimics that can be found visiting flowers for nectar. Larvae bore in the roots, branches and trunks of woody and some herbaceous plants. Some of these larvae are pests in orchards, nurseries and commercial forestry operations. For example, Synanthedon exitiosa (Say) and Synanthedon pictipes (Grote & Robinson) are major pests of peach [Prunus persica (L.) Batsch; Rosaceae] (Johnson et al. 2005), and Synanthedon scitula (Harris) is a major pest of apple (Malus domestica Borkh.; Rosaceae) (Bergh & Leskey 2003). These species, and Podosesia syringae (Harris), Podosesia aureocincta Purrington & …


Using Visual And Digital Imagery To Quantify Horn Fly (Diptera: Muscidae) Densities, Brandon Smythe, David J. Boxler, Gary Brewer, Eric T. Psota, D. Wes Watson Jan 2020

Using Visual And Digital Imagery To Quantify Horn Fly (Diptera: Muscidae) Densities, Brandon Smythe, David J. Boxler, Gary Brewer, Eric T. Psota, D. Wes Watson

Department of Entomology: Faculty Publications

The horn fly, Haematobia irritans L. (Diptera: Muscidae), is a persistent pest of cattle globally. A threshold of 200 flies per animal is considered the standard management goal; however, determining when that threshold has been exceeded is difficult using visual estimates that tend to overestimate the actual fly densities and are, at best, subjective. As a result, a more reliable and durable method of determining horn fly densities is needed. Here, we describe the methods commonly used to quantify horn fly densities including visual estimates and digital photography, and provide examples of quantification software and the prospect for computer automation …


Revision Of New World Cosmorrhyncha Meyrick, 1913 (Lepidoptera: Tortricidae: Olethreutinae), With Descriptions Of Five New Species, John W. Brown, Jozef Razowski, Alicia E. Timm Jan 2020

Revision Of New World Cosmorrhyncha Meyrick, 1913 (Lepidoptera: Tortricidae: Olethreutinae), With Descriptions Of Five New Species, John W. Brown, Jozef Razowski, Alicia E. Timm

Insecta Mundi

Although well studied in the Afrotropical Region, the genus Cosmorrhyncha Meyrick, 1913 (Lepidoptera: Tortricidae: Olethreutinae), has received little attention in the New World, where it apparently is restricted to the Neotropics from Guatemala south to Paraguay. Seven species are recognized, five of which are described as new: C. tonsana (Walker, 1863) (Type locality: Brazil); C. ocelliferana (Walker, 1863) (TL: Brazil); C. landryi Brown and Razowski, sp. n. (TL: French Guiana); C. parintina Brown and Razowski, sp. n. (TL: Brazil); C. macrospina Brown and Razowski, sp. n. (TL: Brazil); C. albistrigulana Brown and Razowski, sp. n. (TL: Costa Rica); and C. …


New State Records Of Lady Beetles (Coleoptera: Coccinellidae: Coccinellinae) From Missouri And Mississippi, Usa, Louis S. Hesler Jan 2020

New State Records Of Lady Beetles (Coleoptera: Coccinellidae: Coccinellinae) From Missouri And Mississippi, Usa, Louis S. Hesler

Insecta Mundi

New state records for three species of lady beetles (Coleoptera: Coccinellidae: Coccinellinae) are reported from two states in the south-central USA. Hyperaspis bolteri LeConte and Exochomus childreni guexi LeConte are newly reported for the state of Missouri, and Hyperaspis connectens (Thunberg) is newly reported for the state of Mississippi.


Taxonomic Notes On Western Hemisphere Cyrtinini (Coleoptera: Cerambycidae: Lamiinae) Including Description Of Two New Cyrtinus Leconte Species, James E. Wappes, Antonio Santos-Silva, Francisco E. De L. Nascimento Jan 2020

Taxonomic Notes On Western Hemisphere Cyrtinini (Coleoptera: Cerambycidae: Lamiinae) Including Description Of Two New Cyrtinus Leconte Species, James E. Wappes, Antonio Santos-Silva, Francisco E. De L. Nascimento

Insecta Mundi

Cyrtinus pygmaeus (Haldeman, 1847) (Coleoptera: Cerambycidae: Lamiinae) is redescribed and newly recorded from Mexico. The female of Decarthria stephensii Hope, 1834 is also redescribed, the number of specimens in the type series is corrected, as is the depository of the types, and the species is newly recorded from Dominica. Two new species of Cyrtinus LeConte, 1852 are described from Mexico: C. fisheri Wappes, Santos-Silva and Nascimento; and C. howdeni Wappes, Santos-Silva and Nascimento. A key to species of Decarthria Hope, 1834 (adapted from an earlier key to Cyrtinini) is provided.


The Trichoptera Of Panama Xiii. Further New Country Records For Caddisflies (Insecta: Trichoptera) From The Republic Of Panama, Brian J. Armitage, Steven C. Harris, Roger J. Blahnik, Robin E. Thomson, Tomas A. Rios Gonzalez, Yusseff Aguirre Jan 2020

The Trichoptera Of Panama Xiii. Further New Country Records For Caddisflies (Insecta: Trichoptera) From The Republic Of Panama, Brian J. Armitage, Steven C. Harris, Roger J. Blahnik, Robin E. Thomson, Tomas A. Rios Gonzalez, Yusseff Aguirre

Insecta Mundi

The Republic of Panama currently includes 414 recorded species of Trichoptera. Herein we add two new genera (Hydroptilidae: Angrisanoia Ozdikmen, 2008 and Mayatrichia Mosely, 1937) and 17 new country records (Philopotamidae: Chimarra (C.) tapanti Blahnik, Wormaldia bolivari Muñoz-Quesada and Holzenthal, and Wormaldia zunigae Muñoz-Quesada and Holzenthal; Hydropsychidae: Centromacronema pygmaeum Botosaneanu; Hydroptilidae: Brysopteryx esparta Harris and Holzenthal, Byrsopteryx solisi Harris and Holzenthal, Costatrichia falsa Santos, Takiya, and Nessimian, Mayatrichia illobia Harris and Holzenthal, Metrichia amplitudinis Bueno-Soria and Holzenthal, Ochrotrichia boquillas Moulton and Harris, O. conformalis Bueno-Soria and Holzenthal, O. quinealensis Bueno-Soria and Holzenthal, and O. unica Bueno-Soria and Santiago; …


The Identity Of The Adventive Gryllotalpa Latreille Species (Orthoptera: Gryllotalpidae) In Hawaii, With Illustration Of Male Genitalia Of G. Orientalis Burmeister, J. H. Frank Jan 2020

The Identity Of The Adventive Gryllotalpa Latreille Species (Orthoptera: Gryllotalpidae) In Hawaii, With Illustration Of Male Genitalia Of G. Orientalis Burmeister, J. H. Frank

Insecta Mundi

The adventive mole cricket species (Orthoptera: Gryllotalpidae) in Hawaii is apparently Gryllotalpa krishnani Arun Prasanna et al., 2012. The adventive was long thought to be Gryllotalpa africana Palisot de Beauvois, 1805. From 1983 until 2008 it seemed that Gryllotalpa orientalis Burmeister, 1839 might be the adventive’s correct name. However, male genitalia and tegmental characters of Hawaiian specimens match features of G. krishnani and not G. orientalis.


A New Species Of Uvarus Guignot, 1939 (Coleoptera: Dytiscidae: Hydroporinae: Bidessini) From Florida, Usa, J. H. Epler Jan 2020

A New Species Of Uvarus Guignot, 1939 (Coleoptera: Dytiscidae: Hydroporinae: Bidessini) From Florida, Usa, J. H. Epler

Insecta Mundi

A new species of Uvarus Guignot, 1939 (Coleoptera: Dytiscidae: Hydroporinae: Bidessini), is described from Florida, USA. It is most similar to U. suburbanus (Fall), but differs in the shape of the much stouter and broader median lobe of the male genitalia.


New Records Of Woodboring Beetles (Coleoptera: Buprestidae) For The Eastern United States, Lawrence Barringer Jan 2020

New Records Of Woodboring Beetles (Coleoptera: Buprestidae) For The Eastern United States, Lawrence Barringer

Insecta Mundi

An abundance-based checklist of eastern Buprestidae (Coleoptera) was compiled from collection records from invasive insect surveys conducted during 2010–2018. Reported are 111 species in 17 genera based on 33,047 specimens examined from 10 states. Sixty-three new state records in nine states are reported. Collection date ranges by month for each state are provided.


Jumping Bristletail (Insecta: Apterygota: Microcoryphia) Records In The Southeastern United States, Grant D. De Jong Jan 2020

Jumping Bristletail (Insecta: Apterygota: Microcoryphia) Records In The Southeastern United States, Grant D. De Jong

Insecta Mundi

Few records of Microcoryphia exist for the southeastern United States, with named species being reported only from Arkansas, Tennessee, and the mid-Atlantic states, and with an unnamed species being reported from Georgia. Records are here provided from 291 specimens housed in the Mississippi Entomological Museum, including ten new species-level state records. This is also the first published report of the order Microcoryphia from Alabama and Mississippi. Species include the machilids Pedetontoides atlanticus Mendes in Alabama, Arkansas, Georgia, Mississippi, and North Carolina; Pedetontus cf. atlanticus in Kentucky; Pedetontus (Verhoeffilis) gershneri Allen in Arkansas; and Pedetontus (Pedetontus) saltator …


Primer Registro De Asiothrixus Antidesmae (Takahashi) (Hemiptera: Aleyrodidae) En La República Dominicana, José Francisco García Ochaeta Jan 2020

Primer Registro De Asiothrixus Antidesmae (Takahashi) (Hemiptera: Aleyrodidae) En La República Dominicana, José Francisco García Ochaeta

Insecta Mundi

Asiothrixus antidesmae (Takahashi) (Hemiptera: Aleyrodidae), una especie de mosca blanca asiática, fue encontrada sobre Ixora sp. en la República Dominicana, lo cual representa un nuevo registro en el país. Se presenta información básica sobre la especie, una diagnosis e ilustraciones para ayudar en su identificación.

Asiothrixus antidesmae (Takahashi) (Hemiptera: Aleyrodidae), an Asian whitefly species, was found on Ixora sp. in the Dominican Republic and represents the first record of this species in the country. Basic information on this whitefly species, including a diagnosis and illustrations to aid in its identification, are provided.


El Género Aleuroparadoxus Quaintance Y Baker 1914, Con Descripción De Tres Nuevas Especies, Nuevos Registros Y Clave Para Las Especies (Hemiptera: Aleyrodidae), José Francisco García Ochaeta, Gregory A. Evans Jan 2020

El Género Aleuroparadoxus Quaintance Y Baker 1914, Con Descripción De Tres Nuevas Especies, Nuevos Registros Y Clave Para Las Especies (Hemiptera: Aleyrodidae), José Francisco García Ochaeta, Gregory A. Evans

Insecta Mundi

Se revisa el género Aleuroparadoxus Quaintance y Baker (Hemiptera: Aleyrodidae: Aleyrodinae) y se describen e ilustran A. gabrieli García-Ochaeta y Evans, sp. nov., de Guatemala y México, A. elmarrojasi García- Ochaeta y Evans, sp. nov., de Guatemala y A. carapiai García-Ochaeta y Evans, sp. nov., de México. Se registran A. sapotae Russell y A. gardeniae Russell por primera vez para Guatemala. Se proporciona una clave ilustrada para la identificación de los grupos y especies del género.

The genus Aleuroparadoxus Quaintance and Baker (Hemiptera: Aleyrodidae: Aleyrodinae) is revised and A. gabrieli García-Ochaeta and Evans, sp. nov., from …


Nomenclatural Notes On Some Currently Known Species Of Eupogonius Leconte, 1852 (Coleoptera: Cerambycidae: Lamiinae) And Description Of Seven New Species, James E. Wappes, Antonio Santos-Silva Jan 2020

Nomenclatural Notes On Some Currently Known Species Of Eupogonius Leconte, 1852 (Coleoptera: Cerambycidae: Lamiinae) And Description Of Seven New Species, James E. Wappes, Antonio Santos-Silva

Insecta Mundi

The following new species of Eupogonius LeConte, 1852 (Coleoptera: Cerambycidae: Lamiinae) are described: E. tlanchinolensis Wappes and Santos-Silva (Mexico, Hidalgo); E. albofasciatus Wappes and Santos- Silva (Mexico, Puebla); E. sonorensis Wappes and Santos-Silva (Mexico, Sonora); E. guerrerensis Wappes and Santos-Silva (Mexico, Guerrero); E. boteroi Wappes and Santos-Silva (Mexico, Guerrero); E. nascimentoi Wappes and Santo-Silva (Mexico, Jalisco and Colima); and E. monzoni Wappes and Santos-Silva (Guatemala, Alta Verapaz). Additionally, a detailed description of the female of Eupogonius fulvovestitus Schaeffer, 1905 is provided for the first time, along with notes on the likely host of the species. New state records in Mexico …


Demonstrating Mate Choice Copying In Spiders Requires Further Research, R. Tucker Gilman, Kasey Fowler-Finn, Eileen A. Hebets Jan 2020

Demonstrating Mate Choice Copying In Spiders Requires Further Research, R. Tucker Gilman, Kasey Fowler-Finn, Eileen A. Hebets

Eileen Hebets Publications

Mate choice copying—when individuals learn to prefer mates or mate types that have been chosen by others—can influence trait evo-lution and speciation (Varela et al. 2018; Dion et al. 2019). Most examples of mate choice copying are from fish, birds, and mammals including humans (Varela et al. 2018). However, 2 invertebrate examples—fruit flies and wolf spiders—have been used to argue that the phenomenon may be phylogenetically widespread, and perhaps the rule rather than the exception in nature (Varela et al. 2018). Here, we revisit the evidence for mate choice copying in wolf spiders (Fowler-Finn et al. 2015) in light of …


A Guide To The Common Mosquitoes Of Grand Junction Colorado., Carter Synhorst Jan 2020

A Guide To The Common Mosquitoes Of Grand Junction Colorado., Carter Synhorst

Department of Entomology: Distance Master of Science Projects

Is a Mosquito Just a Mosquito? -- Mosquitoes are all over the Grand Valley, but most people think that a mosquito is just a mosquito. They don't stop to consider that there are many different species here in the Grand Valley. When and where you are getting attacked by them, can determine what type of mosquito it is. There are many different species of mosquitoes here that can vary from Fruita, to Grand Junction, and even into Palisade. There are over twenty-five different species here in our valley, and there are even more on the Grand Mesa and Glade …


Assessing The Health Of The Ground Beetle Assemblage And Ecosystem At Emerging Victoria Park, Chris Mortenson Jan 2020

Assessing The Health Of The Ground Beetle Assemblage And Ecosystem At Emerging Victoria Park, Chris Mortenson

Department of Entomology: Distance Master of Science Projects

The conversion of the 65-acre site now known as Victoria Park from an oil tank farm to an urban green space created an important and rare opportunity to both study ecosystem changes and support urban green spaces. Development in the Twin Cities Metropolitan Area has resulted in a significant increase in land used for urban development accompanied by a decrease in forests and wet lands (1) as wel l as accompanying ecosystem fragmentation, isolation and simplification (2). The rarity of this land use change makes monitoring Victoria Park’s development all the more important. Ground beetles (Coleoptera: Carabidae) are considered to …


Bed Bug Management In Healthcare Environments, Josh Shoemaker Jan 2020

Bed Bug Management In Healthcare Environments, Josh Shoemaker

Department of Entomology: Distance Master of Science Projects

For my Master’s Project, I propose to develop bed bug training materials that can be used to offer education on bed bug biology and best practices for bed bug control in medical facilities. The materials will include a training program and handouts for use in educating management and technicians who are Pest Management Professionals (PMPs), as well as resources for those professionals to use to train facility personnel.

Background

Bed bugs began to make a comeback as a pest in the US in the late 1990s. Since then, these ectoparasitic insects have become a significant issue for many households and …


Plin-Amir, A Pre-Microrna-Based Technology For Controlling Herbivorous Insect Pests, Julia Bally, Elane Fishilevich, Rachel L. Doran, Karen Lee, Samanta Bolzan De Campos, Marcelo A. German, Kenneth E. Narva, Peter M. Waterhouse Jan 2020

Plin-Amir, A Pre-Microrna-Based Technology For Controlling Herbivorous Insect Pests, Julia Bally, Elane Fishilevich, Rachel L. Doran, Karen Lee, Samanta Bolzan De Campos, Marcelo A. German, Kenneth E. Narva, Peter M. Waterhouse

Department of Entomology: Faculty Publications

The cotton bollworm, Helicoverpa armigera, is a major insect pest for a wide range of agricultural crops. It causes significant yield loss through feeding damage and by increasing the crop’s vulnerability to bacterial and fungal infections. Although expression of Bacillus thuringiensis (Bt) toxins in transgenic crops has been very successful in protecting against insect pests, including H. armigera, field-evolved resistance has occurred in multiple species. To manage resistant populations, new protection strategies must be continuously developed. Trans-kingdom RNA interference (TK-RNAi) is a promising method for controlling herbivorous pests. TK-RNAi is based on delivering dsRNA or hairpin RNA containing essential insect …


Parasitism Of Adult Pentatomidae By Tachinidae In Soybean In The North Central Region Of The United Statespheylan, Pheylan A. Anderson, Daniela T. Pezzini, Nádia M. Bueno, Christina D. Difonzo, Deborah L. Deborah, Thomas E. Hunt, Janet J. Knodel, Christian H. Krupke, Brian P. Mccornack, Christopher R. Philips, Adam J. Varenhorst, Robert J. Wright, Robert L. Koch Jan 2020

Parasitism Of Adult Pentatomidae By Tachinidae In Soybean In The North Central Region Of The United Statespheylan, Pheylan A. Anderson, Daniela T. Pezzini, Nádia M. Bueno, Christina D. Difonzo, Deborah L. Deborah, Thomas E. Hunt, Janet J. Knodel, Christian H. Krupke, Brian P. Mccornack, Christopher R. Philips, Adam J. Varenhorst, Robert J. Wright, Robert L. Koch

Department of Entomology: Faculty Publications

Stink bugs (Hemiptera: Pentatomidae) are agricultural pests of increasing significance in the North Central Region of the United States, posing a threat to major crops such as soybean. Biological control can reduce the need for insecticides to manage these pests, but the parasitism of stink bugs byTachinidae (Diptera) is poorly characterized in this region. The objective of this study was to evaluate the rate of parasitism of stink bugs by tachinids over 2 yr from nine states across the North Central Region. Parasitism was assessed by quantifying tachinid eggs on the integument of stink bug adults. Parasitism rates (i.e., percent …


Aphid-Responsive Defense Networks In Hybrid Switchgrass, Kyle G. Koch, Nathan A. Palmer, Teresa Donze-Reiner, Erin D. Scully, Javier Seravalli, Keenan Amundsen, Paul Twigg, Joe Louis, Jeffrey D. Bradshaw, Tiffany Marie Heng-Moss, Gautam Sarath Jan 2020

Aphid-Responsive Defense Networks In Hybrid Switchgrass, Kyle G. Koch, Nathan A. Palmer, Teresa Donze-Reiner, Erin D. Scully, Javier Seravalli, Keenan Amundsen, Paul Twigg, Joe Louis, Jeffrey D. Bradshaw, Tiffany Marie Heng-Moss, Gautam Sarath

Department of Entomology: Faculty Publications

Aphid herbivory elicits plant defense-related networks that are influenced by host genetics. Plants of the upland switchgrass (Panicum virgatum) cultivar Summer can be a suitable host for greenbug aphids (Schizaphis graminum; GB), and yellow sugarcane aphids (Sipha flava, YSA), whereas the lowland cultivar Kanlow exhibited multi-species resistance that curtails aphid reproduction. However, stabilized hybrids of Summer (♀) x Kanlow (♂) (SxK) with improved agronomics can be damaged by both aphids. Here, hormone and metabolite analyses, coupled with RNA-Seq analysis of plant transcriptomes, were utilized to delineate defense networks induced by aphid feeding in SxK switchgrass and pinpoint plant transcription factors …