Entomology Commons^™

Neotrichaphodioides, New Genus Of Neotropical Aphodiini, With Description Of A New Species From Peru (Scarabaeoidea: Scarabaeidae: Aphodiinae), Marco Dellacasa, Giovanni Dellacasa, Paul E. Skelley

Insecta Mundi

The new genus Neotrichaphodioides and the new species N. woytkowskii from Peru are described. Aphodius caracanus Balthasar, A. ecuadoriensis Petrovitz, A. forsterianus Balthasar, and A. volxemi Harold are redescribed and figured, and transferred into Neotrichaphodioides, all becoming new combinations. New synonymies of Aphodius martinsi Petrovitz with N. caracanus (Balthasar) and Aphodius squamifer Petrovitz with N. volxemi (Harold) are presented. The lectotype of A. volxemi is here designated.

Heterobostrychus Hamatipennis Lesne (Coleoptera: Bostrichidae) New To Florida, Robert Beiriger

Insecta Mundi

Heterobostrychus hamatipennis Lesne, an oriental wood borer, is reported to be established in southeast Florida for the first time. This is the second member of the genus Heterobostrychus Lesne that has become established in Florida.

The Morphology Of The Labrum (Epipharynx, Ikrioma And Aboral Surface) Of Adult Aphodiini (Coleoptera: Scarabaeidae: Aphodiinae), And Its Implications For Systematics, Giovanni Dellacasa, Marco Dellacasa, Darren J. Mann

Insecta Mundi

The morphology of the labrum (epipharynx, ikrioma and aboral surface) of adult Aphodiini is figured and discussed. An updated glossary of the constitutive parts is presented.

New Views On Strand Asymmetry In Insect Mitochondrial Genomes, Shu-Jun Wei, Min Shi, Xue-Xin Chen, Michael J. Sharkey, Cornelis Van Achterberg, Gong-Yin Ye, Jun-Hua He

Entomology Faculty Publications

Strand asymmetry in nucleotide composition is a remarkable feature of animal mitochondrial genomes. Understanding the mutation processes that shape strand asymmetry is essential for comprehensive knowledge of genome evolution, demographical population history and accurate phylogenetic inference. Previous studies found that the relative contributions of different substitution types to strand asymmetry are associated with replication alone or both replication and transcription. However, the relative contributions of replication and transcription to strand asymmetry remain unclear. Here we conducted a broad survey of strand asymmetry across 120 insect mitochondrial genomes, with special reference to the correlation between the signs of skew values and …

Bed Bug Deterrence, Kenneth F. Haynes, Mark H. Goodman, Michael F. Potter

Entomology Faculty Publications

A recent study in BMC Biology has determined that the immature stage of the bed bug (the nymph) signals its reproductive status to adult males using pheromones and thus avoids the trauma associated with copulation in this species. The success of this nymphal strategy of deterrence is instructive. Against the background of increasing problems with bed bugs, this research raises the question whether pheromones might be used to control them.

See research article: http://www.biomedcentral.com/1741-7007/8/121.

Using Insects To Promote Science Inquiry In Elementary Classrooms, Douglas A. Golick, Tiffany M. Heng-Moss, Marion D. Ellis

Department of Entomology: Faculty Publications

The University of Nebraska-Lincoln and Nebraska public schools created Bugs in the Classroom, a professional development initiative with the goal of empowering teachers to use insects in science inquiry instruction in elementary classrooms. The initiative included workshops for elementary educators on science inquiry and teaching with insects. This paper includes a description of the workshop as well as an evaluation of the impact of the workshop on participating teachers' knowledge of scientific inquiry, entomology knowledge, and inquiry practice. Also included are recommendations for similar professional development activities.

Nebline, September 2010

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Feature: Wildlife Rescue Team Helps Orphaned and Injured Wildlife

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

Japanese Beetle, Erin Hodgson, Diane Alston, Cory A. Stanley

All Current Publications

The Japanese beetle, Popillia japonica Newman, can be a highly destructive pest to ornamentals, trees, shrubs, turfgrass, and vegetables. First discovered in the eastern United States in 1916, the Japanese beetle has threatened agriculture and horticulture by slowly moving south and west. In 2006, a small population of adult Japanese beetles was detected in Orem, Utah.

Chinch Bugs, Kelly Kopp, Ryan S. Davis, Ricardo A. Ramirez

All Current Publications

Chinch bugs are “true bugs”. In Utah, the common chinch bug [Blissus leucopterus leucopterus (Say)], and western chinch bug (Blissus occiduus) may feed on turfgrass, especially under conditions of severe heat and drought. Coupled with under-irrigation, direct sunlight, and thick thatch, chinch bug numbers can soar from mid-summer to early fall.

Hexapod Herald - Vol. 22, No. 4, August 2010

Hexapod Herald and Other Entomology Department Newsletters

Welcome

Congratulations

Grants

Faculty News

Meet and Off Campus Student

Student News

From the Office

Travel

Condolences

Nebline, August 2010

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Feature: Youth Develop Life Skills at Hands-On Clover College

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

Lancaster County Super Fair Schedule & Map Special Pullout Section

Notes On Fungal Infestations In Germinating Corn (Zea Mays L.) Seed Used For Rearing Spotted Cucumber Beetles (Coleoptera: Chrysomelidae), D. E. Fleming, J. T. Reed

Midsouth Entomologist

Inability to manage fungal growth (Aspergillus, Fusarium and Rhizopus spp.) in germinating corn seed used as larval medium in a laboratory colony of spotted cucumber beetles (Diabrotica undecimpunctata howardi Barber [Coleoptera: Chrysomelidae]) stimulated experimentation to evaluate the efficacy of laboratory fungicide seed treatment and its components with and without agitation, and to determine whether the incidence of fungus in germinating seed differed between seed lots or varieties. The possibility of fungi residing in cracks in corn seed, within the corn seed beyond the reach of fungicidal solutions, and in pits in the exochorion of beetle eggs is discussed. Fungicides reduced …

A Novel Delivery Method For Ant (Hymenoptera: Formicidae) Toxicants, B. A. Wiltz, D. R. Suiter, W. A. Gardner, C. W. Berisford

Midsouth Entomologist

Described here is a new delivery method for ant toxicants consisting of an inert carrier, an attractant, and a toxicant. Unlike baits, this system does not contain a food source, but uses ant to ant contact rather than trophallaxis as the mechanism for horizontal dispersal of the toxicant through the colony. We evaluated six potential attractants and found that only triolein increased treated filter paper removal by the red imported fire ant, Solenopsis invicta Buren (Hymenoptera: Formicidae). On corn cob grits, removal was optimized at a rate of 60 μl triolein/g grits. In laboratory assays, mortality of fire ants offered …

Review Of Preplant-Incorporated Pesticide Evaluations In Mississippi Sweetpotatoes, J. T. Reed, D. Bao, D. Cook, C. S. Jackson

Midsouth Entomologist

The use of insecticides incorporated into the soil prior to planting (preplant incorporated, or PPI, application) and approximately 30 days post planting (layby-incorporated, or LBI, application) is a recognized control regimen to reduce insect damage to sweetpotato roots in Mississippi. Seventeen compounds with potential for use as soil-incorporated insecticides were tested in small-plot research trials from 2001 to 2009. Efficacy was evaluated by counting insect feeding scars on marketable roots at harvest. Results within each trial were converted to percent control values based on the water-treated check plots. Results ranged from negative percent control values (more damage than found in …

Relative Risk Of Acquiring Black-Legged Ticks, Ixodes Scapularis, In Central Mississippi, J. Goddard, J. Goddard Ii

Midsouth Entomologist

No abstract provided.

Description Of Damage By Larvae Of The Spotted Cucumber Beetle, Diabrotica Undecimpunctata Howardi (Coleptera: Chrysomelidae) To Sweetpotato, Ipomoea Batatas (L.) (Solanales: Convolvulaceae), Roots, D. E. Fleming, J. T. Reed

Midsouth Entomologist

The larvae of the spotted cucumber beetle (Diabrotica undecimpunctata howardi Barber [Coleoptera: Chrysomelidae]) are damaging pests of sweetpotato (Ipomoea batatas [L.] [Solanales: Convolvulaceae]) roots. Because this assumption was not documented, laboratory trials were conducted to determine if spotted cucumber beetle larvae can feed and develop on sweetpotato roots. Results showed that all stages of spotted cucumber beetle larvae could survive on sweetpotato roots when given no other food choice, and that root damage resembled that described for larvae of other coleopteran sweetpotato pests.

Odontomachus Clarus Roger (Hymenoptera: Formicidae) Reported In Kisatchie National Forest, Louisiana, B. J. Adams, X. Chen, L. M. Hooper-Bùi

Midsouth Entomologist

No abstract provided.

Two New Exotic Pest Ants, Pseudomyrmex Gracilis And Monomorium Floricola (Hymenoptera: Formicidae Collected In Mississippi, J. A. Macgown, J. G. Hill

Midsouth Entomologist

No abstract provided.

Checklist Of The Cerambycidae (Coleoptera) Of Costa Rica, Ian P. Swift, Larry G. Bezark, Eugenio H. Nearns, Ángel Solís, Frank T. Hovore

Insecta Mundi

An updated checklist of the Cerambycidae of Costa Rica is presented. This new version includes 1,071 species and subspecies in 429 genera, 69 tribes, and six subfamilies. Of these, 181 are new country records and 136 species are known only from Costa Rica. In addition, provincial distribution data are provided for each species. The checklist supports a wealth of scientific literature in many other groups of flora and fauna indicating Costa Rica has high species richness of cerambycid beetles.

Se presenta una lista actualizada de los Cerambycidae de Costa Rica. Esta nueva versión incluye 1.071 especies y subespecies en 429 …

Morphological Characterization And Molecular Mediated Genetic Variation Of Thief Ant (Solenopsis Molesta Say, Hymenoptera: Formicidae), Ralph B. Narain

Department of Entomology: Dissertations, Theses, and Student Research

The thief ant, Solenopsis molesta (Say), a common nuisance ant species found throughout the United States is genetically related to other stinging ants. This research was undertaken to estimate genetic variation utilizing mitochondrial DNA sequences of cytochrome oxidase I in thief ant populations from various geographic locations. Thief ants were collected from nine states, identified to species using morphologic characteristics from available keys. DNA extractions were completed with Qiagen’s Gentra PUREGENE® DNA Isolation Kit using their solid tissue protocol. PCR reactions were run on the extracted DNA using primers Lep-F1 (forward) and Lep-R1 (reverse). The resulting DNA products were concentrated …