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Articles 361 - 390 of 1256
Full-Text Articles in Entomology
New Host Records Of Parasitic Hymenoptera In Clearwing Moths (Lepidoptera: Sesiidae), Foster Forbes Purrington, David G. Nielsen
New Host Records Of Parasitic Hymenoptera In Clearwing Moths (Lepidoptera: Sesiidae), Foster Forbes Purrington, David G. Nielsen
The Great Lakes Entomologist
Synanthedon pictipes is host for Dibrachus cavus; Podosesia aureocincta hosts Phaeogenes ater, Macrocentrus marginator, and
Lissonota sp.; Podosesia syringae hosts Lissonota sp.
Habitats And Spider Prey Of Dipogon Sayi Sayi (Hymenoptera: Pompilidae) In Washington County, Maine, Daniel T. Jennings, Frank D. Parker
Habitats And Spider Prey Of Dipogon Sayi Sayi (Hymenoptera: Pompilidae) In Washington County, Maine, Daniel T. Jennings, Frank D. Parker
The Great Lakes Entomologist
Spider wasps were reared from three types of trap-nests deployed in strip-clearcut areas of a spruce-fir-mixed hardwood forest of Maine. Collections of Dipogon sayi sayi from Mooseborn National Wildlife Refuge, Washington County, represent the easternmost records for the United States. Spider prey included females of Misumena vatia, Xysticus emertoni (new prey record), and X. punctatus, and juveniles and penultimate males of Xysticus sp. We found no evidence of nest-site competition between spider wasps and eumenid wasps (Hymenoptera: Eumenidae) that prey on spruce budwornl, Choristoneura fumiferana, when available nesting sites ranged from 320 to 4400,
Spruce Budworm And Other Lepidopterous Prey Of Eumenid Wasps (Hymenoptera: Eumenidae) In Spruce-Fir Forests Of Maine, Judith A. Collins, Daniel T. Jennings
Spruce Budworm And Other Lepidopterous Prey Of Eumenid Wasps (Hymenoptera: Eumenidae) In Spruce-Fir Forests Of Maine, Judith A. Collins, Daniel T. Jennings
The Great Lakes Entomologist
Three species of eumenid wasps, Ancistrocerus adiabatus, Ancistrocerus antilope, and Euodynerus Ieucomelas, accepted and provisioned trap-nesting blocks with lepidopterous larvae, A pyralid. Nephopteryx sp., was the most commonly provisioned prey. A. adiabarus and E. leucomelas preyed on late instars of the spruce budworm, Choristoneura fumiferana: however. budworms accounted for only 6% of the provisioned prey. Estimates of budworm population densities before and after wasp predation, and subsample-s of provisioned prey indicated no significant reductions i = 0.065%) in budworm populations attributable to trap-nesting wasps.
Further Observations On The Nesting Behavior Of Liris Argentatus (Hymenoptera: Sphecidae), Frank E. Kurczewski, Margery G. Spofford
Further Observations On The Nesting Behavior Of Liris Argentatus (Hymenoptera: Sphecidae), Frank E. Kurczewski, Margery G. Spofford
The Great Lakes Entomologist
A three-celled nest of Liris argentatus was excavated and examined in upstate New York. The nest was constructed from the terminus of an abandoned cicada-killer burrow and the cells contained 1-4 incompletely paralyzed Gryllus pennsylvanicus as prey. Two of the three cells were cleptoparasitized by the satellite fly Senotainia trilineata. The components of the ecology and behavior of L. argentatus we observed are compared with those from previous studies on this species.
Leptoglossus Corculus And Leptoglossus Occidentalis (Hemiptera: Coreidae) Attacking Red Pine, Pinus Resinosa, Cones In Wisconsin And Minnesota, Steven A. Katovich, Herbert M. Kulman
Leptoglossus Corculus And Leptoglossus Occidentalis (Hemiptera: Coreidae) Attacking Red Pine, Pinus Resinosa, Cones In Wisconsin And Minnesota, Steven A. Katovich, Herbert M. Kulman
The Great Lakes Entomologist
Leptoglossus corculus and Leptoglossus occidentalis are recorded feeding on red pine cones and conelets in Wisconsin and L. occidentalis is recorded feeding on red pine conelets in Minnesota.
Life History, Damage, And Gall Development Of The Gall Midge, Neolasioptera Brevis (Diptera: Cecidomyiidae), Injurious To Honeylocust In Michigan, Louis F. Wilson, George C. Heaton
Life History, Damage, And Gall Development Of The Gall Midge, Neolasioptera Brevis (Diptera: Cecidomyiidae), Injurious To Honeylocust In Michigan, Louis F. Wilson, George C. Heaton
The Great Lakes Entomologist
Neolasioptera brevis is univoltine in Michigan. Adults issue in late spring, and females deposit eggs in rows on the lower side of young shoots of honeylocust. Larval eclosion occurs shortly after: there are three larval instars. The gall is polythalamous and may have 20 or more larvae. The third-instar larvae overwinter, and pupation occurs in spring. The gall injury kills sorne shoots, but most damage is cosmetic. One can monitor for adult emergence in late April or May by observing cast pupal cases protruding from the gall. Control, if needed, should be directed at adults.
Use Of Aluminum-Foil And Oat-Straw Mulches For Controlling Aster Leafhopper, Macrosteles Fascifrons (Homoptera: Cicadellidae), And Aster Yellows In Carrots., Dwi P. Setiawan, David W. Ragsdale
Use Of Aluminum-Foil And Oat-Straw Mulches For Controlling Aster Leafhopper, Macrosteles Fascifrons (Homoptera: Cicadellidae), And Aster Yellows In Carrots., Dwi P. Setiawan, David W. Ragsdale
The Great Lakes Entomologist
Aluminum-foil and oat-straw mulches significantly (P < 0.05) reduced aster leafhopper numbers on carrots compared to an untreated control and a malathion spray treatment during the first half of the growing season. The amount of reflected light was significantly higher in both aluminum-foil and oat-straw mulched plots compared to unmulched treatments. Mulch effectiveness decreased when the closing carrot canopy reduced surface area of reflective mulches and amount of reflected light The percentage of aster yellows-infected plants was significantly lower (P < 0.05) in aluminum-foil and straw mulches and in the malathion spray plots compared to the untreated control. Results demonstrated that aluminum-foil and straw mulches gave control of aster leafhoppers and aster yellows in carrots equal to that of a conventional insecticide spray program.
Total Lipid And Fatty Acid Composition In Male And Female Larvae Of Indian-Meal Moth And Almond Moth (Lepidoptera: Pyralidae), Bh. Subramanyam, L. K. Cutkomp
Total Lipid And Fatty Acid Composition In Male And Female Larvae Of Indian-Meal Moth And Almond Moth (Lepidoptera: Pyralidae), Bh. Subramanyam, L. K. Cutkomp
The Great Lakes Entomologist
The total body lipid and fatty acid composition of last instar larvae of the Indian-meal moth, Plodia interpunctella, and almond moth, Cadra cautella, reared on a turkey mash diet was determined. Male P. interpunctella larvae contained significantly higher (lA-fold) total body lipid than females, while no differences between the sexes of C. cautella larvae were observed. The relative abundance of the fatty acids palmitate, palmitoleate, stearate, oleate, lineoleate, and linolenate was similar in both sexes of P. interpunctella and C. cautella. The accumulation of individual fatty acids in larvae of both the moth species did not correspond to …
Effect Of Prey Density On Diurnal Activity And Ovarian Development In Calosoma Calidum (Coleoptera: Carabidae): Implications For Biological Control Of The Gypsy Moth, Lymantria Dispar (Lepidoptera: Lymantriidae) In The Midwest, Michael R. Jeffords, Laurie J. Case
Effect Of Prey Density On Diurnal Activity And Ovarian Development In Calosoma Calidum (Coleoptera: Carabidae): Implications For Biological Control Of The Gypsy Moth, Lymantria Dispar (Lepidoptera: Lymantriidae) In The Midwest, Michael R. Jeffords, Laurie J. Case
The Great Lakes Entomologist
Four feeding treatments were used in the laboratory to study the effects of the availability of prey on diurnal behavior and ovarian development of Calosoma calidum. Activity was closely monitored for six weeks. No significant differences were found between male and female behavior patterns. Diurnal beetle activity was found to be inversely related to prey density; in treatments where prey was available, diurnal activity declined during the course of the experiment. At the end of six weeks, dissections of female beetles showed that ovarian development and fat body quantity were dependent upon the number of prey available for consumption.
Designation Of A Neotype For Sphinx Poecila Stephens (Lepidoptera: Sphingidae), J.C. E. Riotte
Designation Of A Neotype For Sphinx Poecila Stephens (Lepidoptera: Sphingidae), J.C. E. Riotte
The Great Lakes Entomologist
(excerpt)
This designation of a neotype, in accordance with the provisions of Article 75(b) of the International Code of Zoological Nomenclature (1985), has to be considered as continuation of the revisional article "Sphinx poecila, a valid North American species (Lepidoptera Sphingidae)" (Riotte 1980).
Rediscovery Of Acanthametropus Pecatonica In The Western Great Lakes Region (Ephemeroptera: Siphlonuridae), Richard A. Lillie, Kurt L. Schmude, William L. Hilsenhoff
Rediscovery Of Acanthametropus Pecatonica In The Western Great Lakes Region (Ephemeroptera: Siphlonuridae), Richard A. Lillie, Kurt L. Schmude, William L. Hilsenhoff
The Great Lakes Entomologist
Two nearly mature nymphs of Acanthametropus pecatonica were collected in June 1986 from the shifting sand bottom of the lower Wisconsin River. This is the first known collection of this species in the western Great Lakes region since the original collections of two nymphs by R. E. Richardson in 1926 and 1927.
Northern Distribution Records For Some Nearctic Pompilidae (Hymenoptera), Frank E. Kurczewski, Edmund J. Kurczewski
Northern Distribution Records For Some Nearctic Pompilidae (Hymenoptera), Frank E. Kurczewski, Edmund J. Kurczewski
The Great Lakes Entomologist
Distributional records and nomenclatural changes are presented for 20 species of Nearctic Pompilidae. The records extend the species' ranges northward in North America, are peripheral on the northern boundaries of the ranges, or fill in sizeable gaps in the distributions. Flower records, habitat notes, and remarks on the prey are given for some of the species.
Nest And Prey Of Ageniella (Leucophrus) Fulgifrons (Hymenoptera: Pompilidae), Frank E. Kurczewski, Edmund J. Kurczewski
Nest And Prey Of Ageniella (Leucophrus) Fulgifrons (Hymenoptera: Pompilidae), Frank E. Kurczewski, Edmund J. Kurczewski
The Great Lakes Entomologist
Information on the habitat, nest-site, hunting, prey transport, closure, burrow structure, and prey of Ageniella (Leucophrus) fulgifrons is presented. Components of the nesting behaviors of other species of Ageniella are examined and compared with those of A. fulgifrons.
Biology And Distribution Of Tachysphex Aethiops In Michigan (Hymenoptera: Sphecidae: Larrinae), Mark F. O'Brien
Biology And Distribution Of Tachysphex Aethiops In Michigan (Hymenoptera: Sphecidae: Larrinae), Mark F. O'Brien
The Great Lakes Entomologist
Tachysphex aethiops is a primarily western species that also occurs in the Upper Peninsula of Michigan. Females nest in mossy, sand slopes and utilize pre-existing burrows of other insects. One shallow, five-celled nest contained a single, third-instar nymph of Spharagemon sp., probably bolli, in each cell. Three prey were parasitized by miltogrammine flies.
Distribution And Host Plants Of Corthylus Punctatissimus (Coleoptera: Scolytidae) In The Lower Peninsula Of Michigan, Richard A. Roeper, Demetrios V. Zestos, Brian J. Palik, Larry R. Kirkendall
Distribution And Host Plants Of Corthylus Punctatissimus (Coleoptera: Scolytidae) In The Lower Peninsula Of Michigan, Richard A. Roeper, Demetrios V. Zestos, Brian J. Palik, Larry R. Kirkendall
The Great Lakes Entomologist
(excerpt)
The pitted ambrosia beetle. Corthylus punctatissimus Zimmerman, infests woody saplings and shrubs 14 mm in diameter or less. The beetle bores an entrance hole into the main stem at soil level and constructs a main gallery tunnel which generally spirals downward in the stem. Egg-niche construction is followed by inoculation of symbiotic fungi and oviposition. The main stem of the host tree wilts as a result of the girdling activity of the beetle. Finnegan (1967) described the life history of C. punctatissimus infesting Acer saccharum Marshall in Ontario and Quebec.
Comparative Biology Of Temperate And Subtropical Bark And Ambrosia Beetles (Coleoptera: Scolytidae, Platypodidae) In Indiana And Florida, Mark Deyrup, Thomas H. Atkinson
Comparative Biology Of Temperate And Subtropical Bark And Ambrosia Beetles (Coleoptera: Scolytidae, Platypodidae) In Indiana And Florida, Mark Deyrup, Thomas H. Atkinson
The Great Lakes Entomologist
Bark and ambrosia beetles were compared from two intensively studied sites. The Indiana site produced 58 species, the Florida site 57 species; 17 species occurred at both sites. Much greater plant host diversity at the Indiana site seems balanced by more favorable climate at the Florida site. There are more exotic species at the Florida site. Different patterns in feeding habits and mating habits of the beetles are related to the climate and history of the sites in complex ways. A list of the and their habits is included.
New Distribution Records Of Scolytidae From Indiana And Florida, Mark Deyrup, Thomas H. Atkinson
New Distribution Records Of Scolytidae From Indiana And Florida, Mark Deyrup, Thomas H. Atkinson
The Great Lakes Entomologist
Twenty-three new state records are provided for Florida and Indiana Scolytidae; 92 species are now known from Indiana, 112 from Florida.
Mosquito Larvicidal Activity Of Cassia Tora Seed Extract And Its Key Anthraquinones Aurantio-Obtusin And Obtusin, Valentine C. Mbatchou, David P. Tchouassi, Rita A. Dickson, Kofi Annan, Abraham Y. Mensah, Isaac K. Amponsah, Julia W. Jacob, Xavier Cheseto, Solomon Habtemariam, Baldwyn Torto
Mosquito Larvicidal Activity Of Cassia Tora Seed Extract And Its Key Anthraquinones Aurantio-Obtusin And Obtusin, Valentine C. Mbatchou, David P. Tchouassi, Rita A. Dickson, Kofi Annan, Abraham Y. Mensah, Isaac K. Amponsah, Julia W. Jacob, Xavier Cheseto, Solomon Habtemariam, Baldwyn Torto
All Peer-Reviewed Publications
Background: The edible and medicinal leguminous plant Cassia tora L. (Fabaceae) is known to possess insecticidal properties against a wide range of plant-feeding insects. However, the bioactivity of extracts of this plant and their constituents against vectors of medical importance has been largely unexplored. We investigated the mosquito larvicidal activity of the seed extract and its major anthraquinones against larvae of the African malaria vector Anopheles gambiae (s.s.). Methods: Third-fourth instar larval mortality was observed after 24, 48, 72 and 96 h of exposure to varying doses of the extracts, and two anthraquinones isolates identified using liquid chromatography- quadrupole time …
Ecology And Biology Of The Redbanded Stink Bug, Piezodorus Guildinii (Westwood) In Louisiana, Anup Bastola
Ecology And Biology Of The Redbanded Stink Bug, Piezodorus Guildinii (Westwood) In Louisiana, Anup Bastola
LSU Doctoral Dissertations
The redbanded stink bug, Piezodorus guildinii (Westwood) is an invasive stink bug species that was first documented as a soybean pest in Louisiana during the year 2000. This species continues to expand northward in the MidSouth but information is lacking on its biology and ecology in the U.S. In order to determine P. guildinii’s northern range, studies were designed to investigate the cold tolerance ability of this species. The mean supercooling points of adult P. guildinii ranged from highest -8.3 ± 0.2°C in March to the lowest of -11.0 ± 0.2°C in January. Evaluation of lethal exposure time …
Vegetation And Arthropod Responses To Brush Reduction By Grubbing And Stacking, Carter Crouch, J. Alfonso Ortega-Santos, David B. Wester, Fidel Hernández, Leonard A. Brennan, Greta L. Schuster
Vegetation And Arthropod Responses To Brush Reduction By Grubbing And Stacking, Carter Crouch, J. Alfonso Ortega-Santos, David B. Wester, Fidel Hernández, Leonard A. Brennan, Greta L. Schuster
National Quail Symposium Proceedings
Grubbing is a mechanical brush-reduction technique that allows targeting of mesquite (Prosopis glandulosa) and huisache (Vachellia farnesiana) and can be used to open lanes for hunting northern bobwhites (Colinus virginianus). Follow-up treatments of stacking allow the piling up of downed brush. We initiated this study on the Santa Gertrudis Division of the King Ranch, Inc., Texas, to determine effects of grubbing and stacking on vegetation and arthropod communities important to bobwhite. We hypothesized that grubbing and stacking would be able to selectively remove mesquite and huisache while leaving mixed brush species largely intact. We …
An Improved Biotic Index Of Organic Stream Pollution, William L. Hilsenhoff
An Improved Biotic Index Of Organic Stream Pollution, William L. Hilsenhoff
The Great Lakes Entomologist
Major improvements were made in using a biotic index of the arthropod fauna to evaluate organic stream pollution. All tolerance values were reevaluated, many were changed, and the scale for tolerance values was expanded to 0-10 to provide greater precision. Keys to larvae of Ceratopsyche have been developed and tolerance values for species in this important genus are provided. Sorting of samples in the laboratory instead of in the field is recommended, and directions for processing and evaluating samples are included.
Economic Thresholds For Central European And North American Wheat Insects, Stanley G. Wellso, Theo Wetzel
Economic Thresholds For Central European And North American Wheat Insects, Stanley G. Wellso, Theo Wetzel
The Great Lakes Entomologist
The economic thresholds for implementing control of 24 wheat insect pests from Central Europe and North America are discussed. Additional studies on wheat pests are necessary to better define the existing thresholds.
A Study Of The Biology Of Rhopalosiphum Padi (Homoptera: Aphididae) In Winter Wheat In Northwestern Indiana, J. E. Araya, J. E. Foster, S. E. Cambron
A Study Of The Biology Of Rhopalosiphum Padi (Homoptera: Aphididae) In Winter Wheat In Northwestern Indiana, J. E. Araya, J. E. Foster, S. E. Cambron
The Great Lakes Entomologist
Periodic collections of the bird cherry-oat aphid, Rhopalosiphum padi, during two years revealed small populations on winter wheat in Lafayette, Indiana. The greatest numbers were found on volunteer wheat plants before planting. In the autumn, aphids were detected on one-shoot plants by mid-October and also early March. The populations remained small until mid-June. We conclude that the aphid feeding did not significantly affect the plants, but helped spread barley yellow dwarf virus.
Change In Nutritional Quality Of Detached Aspen And Willow Foliage Used As Insect Food In The Laboratory, William E. Miller
Change In Nutritional Quality Of Detached Aspen And Willow Foliage Used As Insect Food In The Laboratory, William E. Miller
The Great Lakes Entomologist
Leaves of Populus tremuloides and Salix babylonica held in the laboratory as for feeding insects were analyzed for total nitrogen, total phenolics, and total sugars at 0, 3, and 6 days. More often than not, the three components varied due to leaf age, time since excision, or temperature. Temporal changes altered nutritional balance and probable impact on insect performance, Results suggest that other woody plant species would not remain nutritionally stable for long in the laboratory,
Appearance Of Damage Symptoms And Reinfestation Rates For Christmas Trees Attacked By The Zimmerman Pine Moth, Dioryctria Zimmermani (Lepidoptera: Pyralidae), James W. Yonker, Donald L. Schuder
Appearance Of Damage Symptoms And Reinfestation Rates For Christmas Trees Attacked By The Zimmerman Pine Moth, Dioryctria Zimmermani (Lepidoptera: Pyralidae), James W. Yonker, Donald L. Schuder
The Great Lakes Entomologist
Two blocks of Scotch pine Christmas trees were inspected to determine an appropriate time to evaluate Zimmerman pine moth damage, and to determine reinfestation rates for trees previously attacked by this insect. Results showed that damage evaluation should be delayed until mid-August and possibly later, in early fall. Evaluation done before this time could result in underestimation of total damage. In the reinfestation study, previously attacked trees were shown to sustain both a higher rate of reattack and more attacks per tree the following year than control trees. However, at most, only 61 % of the new attacks the following …
Puddling By Female Florida Tiger Swallowtail Butterflies, Papillo Glaucus Australis (Lepidoptera: Papilionidae), J. Mark Scriber
Puddling By Female Florida Tiger Swallowtail Butterflies, Papillo Glaucus Australis (Lepidoptera: Papilionidae), J. Mark Scriber
The Great Lakes Entomologist
(excerpt)
Many species from all families of Rhopaloccra have been reported to drink water (Norris 1936). Bates (1863) noted that, in the Amazon, 80 species from 22 genera flocked about the damp edges of water and, with very few exceptions, all of these individuals were males.
An Annotated List And New Species Descriptions Of Collembola Found In The Project Elf Study Area Of Michigan, Richard J. Snider, Frank J. Calandrino
An Annotated List And New Species Descriptions Of Collembola Found In The Project Elf Study Area Of Michigan, Richard J. Snider, Frank J. Calandrino
The Great Lakes Entomologist
An annotated list of 80 collembolan species taken from the ELF Project area in Dickinson County. Michigan, is presented. Two new species are described, a new record for the United States is established, and new records for Michigan's Upper Peninsula are reported. Specimens were obtained using pitfall traps and extraction of liner and soil cores taken from deciduous forest.`
Wood Ducks As Accidental Hosts Of The Squirrel Flea, Orchopeas Howardi (Siphonaptera: Ceratophyllidae), Donald L. Baumgartner, Andrea Kane
Wood Ducks As Accidental Hosts Of The Squirrel Flea, Orchopeas Howardi (Siphonaptera: Ceratophyllidae), Donald L. Baumgartner, Andrea Kane
The Great Lakes Entomologist
(excerpt)
On 21 May 1985, two recently hatched wood ducklings, Aix sponsa (L.), brought to the McHenry County Wildlife Rehabilitation Center, Woodstock, Illinois, were inspected for ectoparasites.
Role Of Insects And Diseases In A Jack Pine Provenance Study, A. C. Hodson, D. W. French, R. A. Jensen
Role Of Insects And Diseases In A Jack Pine Provenance Study, A. C. Hodson, D. W. French, R. A. Jensen
The Great Lakes Entomologist
Two jack pine plantations were established at the Cloquet Forestry Center, Cloquet, Minnesota, in 1942 and 1943, using trees originating from 22 sites in the United States and 10 in Canada. From 1945 to 1953 the incidence of attack by insects and diseases was recorded individually for all trees, and in 1980-1981 the diameter and form of both living and dead trees were recorded. There were differences in the incidence of attack by the pests and in tree response to early injury among the various seed sources. In 1980 and in 1981 there were differences in tree form resulting from …
Odonata At A Small Woodland Pond In Southern Illinois, T. E. Vogt, J. E. Mcpherson, W. T. Mcdowell
Odonata At A Small Woodland Pond In Southern Illinois, T. E. Vogt, J. E. Mcpherson, W. T. Mcdowell
The Great Lakes Entomologist
A survey of the adult odonate fauna of a small woodland pond in Pope County, Illinois, was conducted during 1983--·1984. Twenty-four species were collected including Aeshna mutata and Anax longipes. In addition, Libellula vibrans was collected in 1982, and Aeshna sp. (probably u. umbrosa) observed the same year but not collected.