Entomology Commons^™

2009 Soybean Insect Losses For Mississippi, Tennessee, And Arkansas, F. R. Musser, G. M. Lorenz, S. D. Stewart, A. L. Catchot Jr.

Midsouth Entomologist

Survey-based soybean insect losses provide a glimpse of current soybean management practices and allow one to see evolving trends. This survey was initiated in MS in 2004, and in Tennessee in 2008. This year is the first year that Arkansas has conducted the survey. The 2009 survey shows stink bugs were the primary pest in all three states, but were less widespread than in 2008. Corn earworm pressure was much higher in 2009 than in previous years. Insect scouting and the adoption of seed treatments continued to increase in 2009.

Current Topics In Medical And Veterinary Entomology: Results Of A Roundtable Discussion, K. T. Edwards, J. Goddard, A. S. Varela-Stokes, B. Layton, C. Huston, L. D. Foil

Midsouth Entomologist

No abstract provided.

Tips On Collecting And Rearing Immatures Of 375 Butterfly And Skipper Taxa, Jacque Wolfe, Jack Harry, Todd Stout

The Taxonomic Report of the International Lepidoptera Survey

Rearing techniques are discussed for 375 different butterfly and skipper taxa from Utah and beyond.

Hexapod Herald - Vol. 22, No. 1, February 2010

Hexapod Herald and Other Entomology Department Newsletters

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Corn Stalk Penetration Resistance As A Predictor Of Southwestern Corn Borer (Lepidoptera: Crambidae) Survival, B. K. Gibson, C. D. Parker, F. R. Musser

Midsouth Entomologist

Studies were conducted to determine if corn stalk strength had an effect on southwestern corn borer (Diatraea grandiosella Dyar) survival during different growth stages. In 2006 southwestern corn borer larvae were placed on corn plants during dough stage near the ear and base of the plant. Penetration resistance was lower and borer survival was higher near the ear than near the base of the plant. In 2007, five corn hybrids were planted at three locations in Mississippi. Plants were infested with five 3rd instars at the ear zone during tassel, dough, and dent stages. Survival decreased as the corn progressed …

Swarming Of The Formosan Subterranean Termite (Isoptera: Rhinotermitidae) In Southern Mississippi, A. R. Lax, B. A. Wiltz

Midsouth Entomologist

Swarms of Formosan subterranean termites, Coptotermes formosanus Shiraki, (FST) in Southern Mississippi were monitored from mid-April through late June, 2007-2009. Distribution of swarming colonies was recorded at 69 traps within Poplarville (Pearl River County) and an additional 45-65 traps, along transects in Pearl River, Lamar, Forrest, and Stone Counties. Swarms were first detected during the week ending April 27 and continued through the final collection dates in late June. In Poplarville, FST colonies were ubiquitous, with 68 of 69 traps catching alates on at least one of the 2009 sampling dates. Along highway transects, FST was collected from 36% of …

Effectiveness Of Fire Ant Mound Treatment Products For Home Lawns, B. Layton, J. Mcadory, H. Hudson

Midsouth Entomologist

No abstract provided.

The Regulatory Corner: Invasive Against Invasive—An Exotic Bug That Attacks An Invasive Weed, H. Fulton

Midsouth Entomologist

No abstract provided.

Ecological Niche And Potential Geographic Distribution Of The Invasive Fruit Fly Bactrocera Invadens (Diptera, Tephritidae), M. De Meyer, M. P. Robertson, M. W. Mansell, S. Ekesi, K. Tsuruta, W. Mwaiko, J. F. Vayssières, A. T. Peterson

All Peer-Reviewed Publications

Two correlative approaches to the challenge of ecological niche modeling (genetic algorithm, maximum entropy) were used to estimate the potential global distribution of the invasive fruit fly, Bactrocera invadens, based on associations between known occurrence records and a set of environmental predictor variables. The two models yielded similar estimates, largely corresponding to Equatorial climate classes with high levels of precipitation. The maximum entropy approach was somewhat more conservative in its evaluation of suitability, depending on thresholds for presence/absence that are selected, largely excluding areas with distinct dry seasons; the genetic algorithm models, in contrast, indicate that climate class as partly …

Lilac-Ash Borer, Ryan S. Davis, Taun Beddes, Jay B. Karren

All Current Publications

The lilac-ash borer (Podosesia syringae), belongs to a group of insects known as the clear-winged moths. The wings of most sesiid moths in have at least partially transparent wings (devoid of the colored scales that coat most moth and butterfly wings).

Functional Genomics Tool: Gene Silencing In Ixodes Scapularis Eggs And Nymphs By Electroporated Dsrna, Shahid Karim, Emily Troiano, Thomas N. Mather

Faculty Publications

Background

Ticks are blood-sucking arthropods responsible for transmitting a wide variety of disease-causing agents, and constitute important public health threats globally. Ixodes scapularis is the primary vector of the Lyme disease agent in the eastern and central U.S. RNAi is a mechanism by which gene-specific double-stranded RNA (dsRNA) triggers degradation of homologous mRNA transcripts. Here, we describe an optimized protocol for effectively suppressing gene expression in the egg and nymphal stages of I. scapularis by electroporation.

Results

The genes encoding the putative Phospholipase A₂ (PLA₂), cytoplasmic Cystatin, Syntaxin-5, β-Actin and Calreticulin were targeted by delivering the dsRNA …

The South American Dung Beetle Genus Ennearabdus Lansberge (Coleoptera: Scarabaeidae: Scarabaeinae: Eucraniini), Federico C. Ocampo

University of Nebraska State Museum: Entomology Papers

The South American endemic dung beetle genus Ennearabdus Lansberge is revised. Description, diagnosis and illustrations are presented for the only known species of the genus, E. lobocephalus (Harold). A lectotype is designated for Onthophagus lobocephalus Harold, the type species of Ennearabdus. The biology, biogeography, conservation status, and distribution based on the predictive distribution model of E. lobocephalus are also discussed.

A Revision Of The Argentinean Endemic Genus Eucranium Brullé (Coleoptera: Scarabaeidae: Scarabaeinae) With Description Of One New Species And New Synonymies, Federico C. Ocampo

University of Nebraska State Museum: Entomology Papers

The South American genus Eucranium Brullé has been revised and now includes six species: E. arachnoides Brullé, E. belenae Ocampo new species, E. cyclosoma Burmeister, E. dentifrons Guérin-Méneville, E. planicolle Burmeister, and E. simplicifrons Fairmaire. Eucranium pulvinatum Burmeister is a new junior synonym of Eucranium arachnoides Brullé, and Eucranium lepidum Burmeister is a new junior synonym of E. dentifrons Guérin-Méneville. The following lectotypes and neotypes are designated: Eucranium pulvinatum Burmeister, lectotype; Eucranium planicolle Burmeister, lectotype; Psammotrupes dentifrons Guérin-Méneville, neotype; and Eucranium lepidum Burmeister, neotype. Description of the genus and new species, diagnosis and illustrations, and distribution maps are provided for …

A Revision Of Ganaspidium Weld, 1952 (Hymenoptera, Figitidae, Eucoilinae): New Species, Bionomics, And Distribution, Matthew L. Buffington

USDA Systematic Entomology Laboratory

The New World eucoiline genus Ganaspidium is revised. Species in this genus are parasitoids of some of the most pestiferous species of leaf-mining Agromyzidae (Diptera), including the notorious Liriomyza trifolii (Burgess). The following new species are described: Ganaspidium didionae, G. eldiablo, G. fl emingi, G. kolmaci, and G. konzaensis. Ganaspidium navajoe (Miller), comb. n., is recognized as junior synonym of G. pusillae Weld (syn. n.). Ganaspidium nigrimanus (Kieff er) and G. utilis Beardsley are removed from synonymy, and together with G. hunteri (Crawford), are now in Banacuniculus Buffington. Species of Ganaspidium are recorded from a wide geographic …

Revision Of The Genus Ambracius Stål, 1860 (Heteroptera: Miridae: Deraeocorinae: Clivinematini), With Descriptions Of Three New Species, Paulo Sérgio F Ferreia, Thomas J. Henry

USDA Systematic Entomology Laboratory

The clivinematine genus Ambracius Stál is revised and the three new species Ambracius alineae from Venezuela, A. liviae from the United States (Texas), and A. rudybuenoi from Panama are described and illustrated. The previously known species Ambracius capucinus (Reuter), A. dufouri Stál, A. mexicanus Carvalho, A. pallescens (Distant), A. rubricosus (Distant), and A. vittatus Carvalho are redescribed. A key to species is provided to aid in identification.

Catalog Of The Coreidae, Or Leaf-Footed Bugs, Of The New World, Richard J. Packauskas

Fort Hays Studies Series

Studies on the New World Coreidae have languished for more than a century. Neglect of these often large, abundant, and occasionally economically important bugs has been due, I believe, to the lack of means to identify them. Most literature treating the New World Coreidae has been restricted to the North American fauna, except for the recent efforts of Brailovsky (1975 to 2007).

Physiological Status Of Male And Female Popillia Japonica (Coleoptera: Scarabaeidae) Affects Mating And Grouping Behavior, Natasha Tigreros, Rashmi Jadhav, Katelyn A. Kowles, Britto P. Nathan, Paul Switzer

Faculty Research & Creative Activity

Because mating may be costly, sexually active males or females are predicted to be in relatively good physiological condition and may preferentially direct their mating behavior toward relatively high-quality mates. We tested this hypothesis in Japanese beetles (Popillia japonica Newman), a pest species in which males and females may be either isolated or in aggregations while feeding on host plants. We examined male size and lipid content and female size and egg load with respect to both their pairing status and whether they were isolated or in aggregations. Males that were paired had the highest lipid levels, and single, isolated …

Physiological Status Of Male And Female Popillia Japonica (Coleoptera: Scarabaeidae) Affects Mating And Grouping Behavior, Natasha Tigreros, Rashmi Jadhav, Katelyn Kowles, Britto Nathan, Paul Switzer

Faculty Research & Creative Activity

Because mating may be costly, sexually active males or females are predicted to be in relatively good physiological condition and may preferentially direct their mating behavior toward relatively high-quality mates. We tested this hypothesis in Japanese beetles (Popillia japonica Newman), a pest species in which males and females may be either isolated or in aggregations while feeding on host plants. We examined male size and lipid content and female size and egg load with respect to both their pairing status and whether they were isolated or in aggregations. Males that were paired had the highest lipid levels, and single, isolated …

Nebline, January 2010

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Feature: Tips for Positive Interactions with Tweens

Farm Views

Horticulture

Food & Fitness

Home & Family Living

Environmental Focus

Urban Agriculture

4-H & Youth

Community Focus

Extension Calendar

Nutrition Education Program

Family and Community Education (FCE) Clubs

and other extension news and events

Annual Report Special Pullout Section

Insectigator: Bug Or Insect – Do You Know The Difference?, Kerry Elsen

Department of Entomology: Distance Master of Science Projects

The Insectigator encourages families to go outside and investigate wildlife around them. It provides an opportunity for youth to explore and investigate the natural world we live in. It was created for beginning entomologists, especially those between 8 and 11 years old. It can also be used with younger youth with an adult. Anyone who has an interest in insects is encouraged to use this manual, regardless of age. Clubs can use the manual and contents for club activities or project demonstrations. Youth are encouraged to do their investigation in groups and share their findings with other club members. Fair …