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Articles 1 - 30 of 55
Full-Text Articles in Life Sciences
Characterization Of General Esterases From Susceptible And Parathion-Resistant Strains Of The Greenbug (Homoptera: Aphididae), Midori Ono, Jonathan S. Richman, Blair Siegfried
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 …
Processing Of Song Signals In The Cricket And Its Hormonal Control, Gordon Atkins, John Stout
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
Hexapod Herald - Vol. 7, No, 9, November 17, 1994
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Hexapod Herald - Vol. 7, No. 8, October 26, 1994
Hexapod Herald - Vol. 7, No. 8, October 26, 1994
Hexapod Herald and Other Entomology Department Newsletters
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The Classification Of Old World Anthidiini (Hymenoptera, Megachilidae), Charles D. Michener, Terry L. Griswold
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
Hexapod Herald - Vol. 7, No. 8, October 4, 1994
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Hexapod Herald - Vol. 7, No. 7, September 22, 1994
Hexapod Herald - Vol. 7, No. 7, September 22, 1994
Hexapod Herald and Other Entomology Department Newsletters
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Hexapod Herald - Vol. 7, No. 6, September 9, 1994
Hexapod Herald - Vol. 7, No. 6, September 9, 1994
Hexapod Herald and Other Entomology Department Newsletters
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Taxonomic Synopsis Of The Old World Asopine Genera (Heteroptera: Pentatomidae ), Donald B. Thomas
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 …
Book Review: Physician's Guide To Arthropods Of Medical Importance By Jerome Goddard, Eugene J. Gerberg
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
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
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
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
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
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
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
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 …
Automated Adjustable Interval Insect Trap, Yongbiao Liu, Kenneth F. Haynes
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 …
Hexapod Herald - Vol. 7, No. 4, June 14, 1994
Hexapod Herald - Vol. 7, No. 4, June 14, 1994
Hexapod Herald and Other Entomology Department Newsletters
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Hexapod Herald - Vol. 7, No. 3, May 20, 1994
Hexapod Herald - Vol. 7, No. 3, May 20, 1994
Hexapod Herald and Other Entomology Department Newsletters
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Hexapod Herald - Vol. 6, No. 3, April 25, 1994
Hexapod Herald - Vol. 6, No. 3, April 25, 1994
Hexapod Herald and Other Entomology Department Newsletters
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The Beetles Of Northeastern North America: A Manual Of The Coleoptera Found In Northeastern North America, Norville M. Downie, Ross H. Arnett Jr.
The Beetles Of Northeastern North America: A Manual Of The Coleoptera Found In Northeastern North America, Norville M. Downie, Ross H. Arnett Jr.
Insecta Mundi
Twenty years in the making, this book is more than just a replacement for Blatchley's “Coleoptera of Indiana.” It offers totally revised keys to the families, genera, and species of beetles found from the Arctic to the Potomac, west to the Mississippi. Each family, genus, and species is described. The books contain about 4,000 illustrations enhancing the descriptions of 7,500 included species.
These books are designed for use by amateurs and specialists. The non-entomologist (ecologists, wildlife managers, extension agents, and teachers) will find it useful not only to quickly determine the taxonomic name of any beetle that lives in the …
Hexapod Herald - Vol. 5, No. 2, March 11, 1994
Hexapod Herald - Vol. 5, No. 2, March 11, 1994
Hexapod Herald and Other Entomology Department Newsletters
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Pb1024-Control Cockroaches In The Home, The University Of Tennessee Agricultural Extension Service
Pb1024-Control Cockroaches In The Home, The University Of Tennessee Agricultural Extension Service
Insects, Pests, Plant Diseases and Weeds
Cockroaches are the number one pest in homes or other buildings They have successfully adapted to living wherever people live and are common on ships, in warehouses, restaurants, stores, apartments, offices, hotels and one-family dwellings. In fact, cockroaches are often the first occupant in a new building.
Cockroaches are frequently carried into buildings in bags or boxes. They can live outside in water meters, garbage dumps or sewage systems and then migrate into buildings.
Cockroaches hide in sheltered, dark places during the day. Because they avoid light, they may not be detected in a home for months. Most homes have …
Table Of Contents, Volume 8, No. 1 - 2, March - June 1994
Table Of Contents, Volume 8, No. 1 - 2, March - June 1994
Insecta Mundi
Table of Contents
Scientific Note: Phenacoccus Parvus Morrison, A Possible Injurious Mealybug Recorded For The First Time From Florida (Homoptera:Coccoidea: Pseudococcidae), D. J. Williams, A. B. Hamon
Scientific Note: Phenacoccus Parvus Morrison, A Possible Injurious Mealybug Recorded For The First Time From Florida (Homoptera:Coccoidea: Pseudococcidae), D. J. Williams, A. B. Hamon
Insecta Mundi
Phenacoccus parvus Morrison is recorded from Florida for the first time. Specimens were collected at Miami on Cestrum diurnum (Solanaceae),l-IX-1883 by J. Frankel, and on an unidentified plant of the family Apiaciae (Umbelliferae), 4-XI-1983, by D. Barger. These records are also the first for the continental US. Phenacoccus parvus material from Hawaii on Sida fallax has been examined.
This mealybug was described from the Galapagos Islands. Williams and Cox (1984) synonymized the name P. surinamensis with P. parvus. This species has been recorded from the West Indies, Central America, and South America on many hosts (Williams and Granara de …
New Species And Phylogenetic Analysis Of Cryptodacus, Haywardina, And Rhagoletotrypeta (Di Ptera: Tephritidae), Allen L. Norrbom
New Species And Phylogenetic Analysis Of Cryptodacus, Haywardina, And Rhagoletotrypeta (Di Ptera: Tephritidae), Allen L. Norrbom
Insecta Mundi
The genera Cryptodacus, Haywardina, and Rhagoletotrypeta are revised, and the cladistic relationships among their species are analyzed. Cryptoplagia Aczel is synonymized with Haywardina, and Lezca Foote with Cryptodacus. Twenty-one species, including ten new species, are recognized. Keys, diagnoses, and illustrations to identify them are presented. Solanum trichoneuron is reported as a host plant of H. cuculi, and Celtis iguanaea as a host of R. pastranai.
Scientific Note: New Synonymy In The Genus Dacne Latreille (Coleoptera: Erotylidae), Paul E. Skelley
Scientific Note: New Synonymy In The Genus Dacne Latreille (Coleoptera: Erotylidae), Paul E. Skelley
Insecta Mundi
Dajoz (1988) recently described Dacne montana from Colorado. In an attempt to identify this species, I have compared the description with specimens of previously described Dacne, including paratypes of Boyle's species and specimens identified by Boyle (1956) in his revision. Dajoz's habitus illustration of Dacne montana is identical to paratypes of Dacne cyclochilus Boyle; the male genitalia match Boyle's drawing of those of D. cyclochilus; and the female genitalia match Boyle's illustration of those of Dacne californica (Horn).