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Nebline, December 1994

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

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Characterization Of General Esterases From Susceptible And Parathion-Resistant Strains Of The Greenbug (Homoptera: Aphididae), Midori Ono, Jonathan S. Richman, Blair Siegfried

Department of Entomology: Faculty Publications

A susceptible and two parathion-resistant strains of the greenbug, Schizaphis graminum (Rondani), exhibit three different patterns of general esterase isozymes in native polyacrylamide electrophoresis gels. Characterization of general esterase activity using α -naphtholic esters as model substrates indicated that the three strains differed in isozyme composition. The type-I1 strain, which had the highest level of resistance, exhibited the highest levels of general esterase activity under all assay conditions, and the type-I strain had consistently higher levels than the susceptible strain. In all three strains, these esterases were more active toward α -naphtholic esters with side chains of six or fewer …

The Mayfly Newsletter, Peter M. Grant

The Mayfly Newsletter

The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.

Processing Of Song Signals In The Cricket And Its Hormonal Control, Gordon Atkins, John Stout

Faculty Publications

SYNOPSIS. Phonotaxis by female crickets to the calling song of males, is an important model for investigating the neural basis of auditory behavior. Recent advances make it possible to explain some components of this behavior and its hormonal control, at the level of identified neurons and molecular expression within those neurons. Tonotopically arranged afferents from the cricket's ear, project to local and intersegmental prothoracic interneurons. Bilateral processing of signals and some temporal-pattern specific processing occurs in the prothoracic ganglion and influences acoustic information that is sent to the brain via ascending interneurons that are demonstrably involved in phonotaxis. High, low …

Hexapod Herald - Vol. 7, No, 9, November 17, 1994

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Using Biodiversity Data To Assess Species--Habitat Relationships In Glacier National Park, Montana, Diane M. Debinski, Peter F. Brussard

Diane M. Debinski

Biodiversity surveys are becoming increasingly popular. However, standard analysis techniques for these data have not yet been developed. This paper explores the use of multivariate ordination techniques for assessing species—habitat relationships using biodiversity data. The research was conducted in Glacier National Park, Montana, and birds and butterflies were chosen as the taxonomic groups of study. Biodiversity assessment sites were established throughout a range of habitats and monitored from 1987 through 1989. Presence/absence sampling over the total number of sampling sites was used to classify species commonness and rarity. Approximately 86% of the historically recorded butterflies and 70% of the historically …

Nebline, November 1994

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

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Hexapod Herald - Vol. 7, No. 8, October 26, 1994

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The Classification Of Old World Anthidiini (Hymenoptera, Megachilidae), Charles D. Michener, Terry L. Griswold

Mi

No abstract provided.

Hexapod Herald - Vol. 7, No. 8, October 4, 1994

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Nebline, October 1994

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

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Hexapod Herald - Vol. 7, No. 7, September 22, 1994

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Hexapod Herald - Vol. 7, No. 6, September 9, 1994

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Taxonomic Synopsis Of The Old World Asopine Genera (Heteroptera: Pentatomidae ), Donald B. Thomas

Insecta Mundi

The subfamily Asopinae of the stinkbug family Pentatomidae is revised for the Old World with a key to the genera and a review of the species with nomenclatural changes. The genus Tahitocoris is removed from the Asopinae and placed tentatively with the Podopinae. The genus Breddiniella is reduced to a synonym of Cazira. The genus Incitatus is reduced to a synonym of Martinina. The genus Platynopus is divided into three genera by the restriction of Platynopus to include only five Indo- Pacific species; the elevation of the subgenus Montrouzieriellus to the level of full genus, and the erection …

Nebline, September 1994

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Weed Awareness

Book Review: Physician's Guide To Arthropods Of Medical Importance By Jerome Goddard, Eugene J. Gerberg

Insecta Mundi

As the title indicates, this book is written for physicians, not medical entomologists. The early classics in the field, Matheson's "Medical Entomology," and Harwood and James' “Entomology in Human and Animal Health,” now out-of-print, are not replaced by this volume because this work is of a more concise and abbreviated form.

The book is divided into three parts. Part I consists of chapters on the pathological conditions caused by arthropods, and the principles of treatment, certainly the most authoritative section of the book. Part II lists and describes many arthropods of medical importance. Part III consists of a short glossary …

Table Of Contents, Volume 8, No. 3 - 4, September - December 1994

Insecta Mundi

Table of Contents

An Annotated Checklist Of West Virginia May Or June Beetles (Coleoptera: Scarabaeidae: Phyllophaga Spp.), Thomas W. Mccutcheon, Joseph E. Weaver, Michael C. Thomas

Insecta Mundi

This first published checklist of West Virginia May or June beetles (Coleoptera: Scarabaeidae: Phyllophaga), lists 29 species. County distributions and the range of collection dates are included.

News And Views

Insecta Mundi

The Center for Systematic Entomology plans to publish four Newsletters each year, but these are usually not kept as permanent records. Therefore, the following items are printed here since they concern primarily changes in our journal as well as matters of great concern to CSE.

Dr. Willis W. Wirth, Associate Editor
Dr. John M. Kingsolver
Membership dues
The Center for Systematic Entomology

Systematic Studies On The Genus Megacormus (Scorpiones, Chactidae, Megacorminae), With Descriptions Of A New Species From Oaxaca, Mexico And Of The Male Of Megacormus Segmentatus Pocock, W. David Sissom

Insecta Mundi

A new species of the genus Megacormus Karsch from the Mexican state of Oaxaca is described. The new species is most similar to M. segmentatus Pocock, with which it is compared; the two species are most readily separated by male characters. The male of M. segmentatus is also described, based on material from two new localities in Veracruz. Hemispermatophores of three of the four species in the genus are illustrated, providing evidence of their usefulness in species level taxonomy. Finally, new records for M. gertschi Diaz, including the first accurate localities in Puebla, are given.

A Revision Of The Genus Anisostena Weise (Coleoptera: Chrysomelidae, Hispinae). Part Ill. The Pilatei Species Group, C. L. Staines

Insecta Mundi

The pilatei species group of Anisostena s. str. is revised. Lectotoypes are designated for A. nunenmacheri, A. pilatei, and A. trilineata; A. mitchelli is synonymized with A. arizonica; A. confusa and A. vittata are described as new.

The Western Hemisphere Species Of The Predaceous Midge Genus Echinohelea, With Descriptions Of Six New Species (Diptera: Ceratopogonidae), Willis W. Wirth

Insecta Mundi

There are four previously described species of the genus Echinohelea Kieffer in the Western Hemisphere. The following species are described as NEW SPECIES: aitkeni from Brazil, blantoni and panamensis from Panama, jamaicensis from Jamaica, and leei and neotropica from Colombia. Echinoideshelea NEW SUBGENUS is described with E. aitkeni n. sp. as type-species. The hitherto unknown pupal stage of the genus is described fro E. lanei Wirth, which was reared from a pond margin in New York, USA. Diagnoses are presented for the genus Echinohelea and the subgenus Echinoideshelea, a key is given for the identification of the 11 species, …

Variability Of Zophobas Rugipes Kirsch (Coleoptera: Tenebrionidae: Tenebrioninii) In Cuba, Orlando H. Garrido, Esteban Gutierrez

Insecta Mundi

The blind click-beetles are the larger tenebrionids of Cuba. In our territory there are two species described, Zophbas rugipes Kirsch with a wide distribution in other West Indies, Central and South America, and Z. cubanus Marcuzzi, endemic to Cuba. Other authors had exposed the variability of Z. rugipes. We have compared all the available material from Cuban collections and have reached the conclusion that the diagnostic characters exposed for z. cubanus, based on a small series, are not valid. Therefore, we consider this taxon as an individual variation of Z. rugipes, and synonymize Z. cubanus under Z. rugipes …

Hexapod Herald - Vol. 7, No. 5, August 24, 1994

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Navel Orangeworm (Lepidoptera: Pyralidae) Development In Sunburned Walnuts, Mark D. Shelton, Donald W. Davis

Office of the Dean (CAFES) Scholarship

Navel orangeworrns, Amyelois transitella (Walker), completed development in sunburned walnuts late in the growing season, but moths did not emerge until after harvest. Sunburned walnuts were not attractive to ovipositing moths until considerable hull damage occurred. Only sunburned walnuts with undamaged kernels were suitable for larval development. Navel orangeworrn infestation levels up to 38% were recorded in sunburned walnut samples from the San Joaquin Valley, CA. Nut hull tissue damaged by sunburn was not selected over undamaged hull tissue for moth oviposition. Mean kernel temperatures of sunburned walnuts were higher than both undamaged walnuts and ambient air temperature. Premature hullsplit …

Nebline, August 1994

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

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1994 Lancaster County Fair Edition

Automated Adjustable Interval Insect Trap, Yongbiao Liu, Kenneth F. Haynes

Entomology Faculty Patents

An automated, adjustable-interval insect trap includes a plurality of individual cards having a surface coated with insect adhesive to capture insects. The cards are received on trays having wheels that engage a series of four parallel guide rails. By operation of a positioning mechanism, the trays carrying the cards are moved along the guide rails, one at a time, into an insect capturing position for a selected time interval. The positioning mechanism includes a timer, a drive motor, an axle operatively connected to the drive motor and a series of spaced fan plates mounted on the axle at longitudinally spaced …

Nebline, July 1994

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

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The Mayfly Newsletter, Peter M. Grant

The Mayfly Newsletter

The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.

A Nuclear Juvenile Hormone-Binding Protein From Larvae Of Manduca Sexta: A Putative Receptor For The Metamorphic Action Of Juvenile Hormone, Subba R. Palli, Kazushige Touhara, Jean-Philippe Charles, Bryony C. Bonning, Jeffrey K. Atkinson, Stephen C. Trowell, Kiyoshi Hiruma, Walter G. Goodman, Themis Kyriakides, Glenn D. Prestwich, Bruce D. Hammock, Lynn M. Ridiford

Bryony C. Bonning

A 29-kDa nuclear juvenile hormone (JH)-binding protein from the epidermis of Manduca sexta larvae was purified by using the photoaffinity analog for JH II ([3H]epoxyhomofarnesyldiazoacetate) and partially sequenced. A 1.1-kb cDNA was isolated by using degenerate oligonucleotide primers for PCR based on these sequences. The cDNA encoded a 262-amino acid protein that showed no similarity with other known proteins, except for short stretches of the interphotoreceptor retinoid-binding protein, rhodopsin, and human nuclear protein p68. Recombinant baculovirus containing this cDNA made a 29-kDa protein that was covalently modified by [3H]epoxyhomofarnesyldiazoacetate and specifically bound the natural enantiomer of JH I (Kd = …