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Articles 571 - 600 of 1256
Full-Text Articles in Entomology
A Low Cost And Labor Efficient Method For Rearing Black Cutworms (Lepidoptera: Noctuidae), Eli Levine, S. L. Clement, R. S. Schmidt
A Low Cost And Labor Efficient Method For Rearing Black Cutworms (Lepidoptera: Noctuidae), Eli Levine, S. L. Clement, R. S. Schmidt
The Great Lakes Entomologist
The black cutworm, Agrotis ipsilon (Hufnagel), has been and continues to be the subject of many biological and control studies in the north-central states. Interest in this insect can often be traced to its status as a major, but sporadic pest of field com in the region.
Foodplant Suitabilities And A New Oviposition Record For Papilio Glaucus Canadensis (Lepidoptera: Papilionidae) In Northern Wisconsin And Michigan, J. M. Scriber, G. L. Lintereur, M. H. Evans
Foodplant Suitabilities And A New Oviposition Record For Papilio Glaucus Canadensis (Lepidoptera: Papilionidae) In Northern Wisconsin And Michigan, J. M. Scriber, G. L. Lintereur, M. H. Evans
The Great Lakes Entomologist
(excerpt)
The eastern tiger swallowtail butterfly, Papilio glaucus L., is polyphagous, and has been reported to feed upon plant species of at least 13 families (Scudder 1889, Teitz 1972). The Canadian subspecies, P. glaucus canadensis Rothschild and Jordan, is generally believed to be univoltine, to be devoid of the genetic capacity for dark morph females, and to have morphologically distinct characteristics from the southern subspecies, P. glaucus glaucus L.
Ground Beetles (Coleoptera: Carabidae) Collected By Pitfall Trapping In Michigan Small-Grain Fields, Gary A. Dunn
Ground Beetles (Coleoptera: Carabidae) Collected By Pitfall Trapping In Michigan Small-Grain Fields, Gary A. Dunn
The Great Lakes Entomologist
(excerpt)
During the 1980 growing season a series of standard, single-cup pitfall traps were maintained in wheat, oat, barley, and rye fields in Michigan. The traps were maintained by Pest Management Field Assistants (PMFAs) and entomology students from Michigan State University. The traps were primarily used to monitor insect pest activity as part of pest management scouting.
Description Of The Fifth Instar Of Apache Degeerii (Homoptera: Fulgoroidea: Derbidae), Stephen W. Wilson
Description Of The Fifth Instar Of Apache Degeerii (Homoptera: Fulgoroidea: Derbidae), Stephen W. Wilson
The Great Lakes Entomologist
(excerpt)
Apache degeerii (Kirby) ranges from Maine south to Florida and west to Iowa and Texas; it has also been recorded from British Columbia and Washington (Metcalf 1945. Wilson and McPherson 1980). This derbid has been recorded from oak, beech, maple, and hickory (Swezey 19(4); otherwise no information on its biology is available.
Large-Scale Production Of Fungal Bait Blocks For The Attraction Of Termites (Isoptera: Rhinotermitidae), R. E. Smith
Large-Scale Production Of Fungal Bait Blocks For The Attraction Of Termites (Isoptera: Rhinotermitidae), R. E. Smith
The Great Lakes Entomologist
It has been shown that wood infected with the brown rot fungus Gloeophyllum trabeum (Pers. ex Fr.) Murr. is'more attractive to termites than sound wood. For several years, small blocks of infected wood have been used as bait to sample soil sites for the presence of termites. The method described here for bait block production is more suitable than the ASTM method for large-scale work.
Review Of The Genus Macdunnoa (Ephemeroptera: Heptageniidae) With Description Of A New Species From Florida, R. W. Flowers
Review Of The Genus Macdunnoa (Ephemeroptera: Heptageniidae) With Description Of A New Species From Florida, R. W. Flowers
The Great Lakes Entomologist
The imago, nymph, and egg of Macdunnaa brunnea n. sp. are described from the south- eastern U.S. Heptagenia persimpiex is transferred to Macdunnoa and additional diagonostic characters are given for this species and for Macdunnoa nipawinia. The relationship of Macdunnoa to Stenacron and Stenonema is discussed.
Impact Of The Spruce Budworm (Lepidoptera: Tortricidae) On The Ottawa And Hiawatha National Forests, 1978-1980, Thomas P. Mog, Ann M. Lynch, J. A. Witter
Impact Of The Spruce Budworm (Lepidoptera: Tortricidae) On The Ottawa And Hiawatha National Forests, 1978-1980, Thomas P. Mog, Ann M. Lynch, J. A. Witter
The Great Lakes Entomologist
The Michigan Impact Plot System was established during 1978 and 1979 to obtain a data base for quantifying the impact of the spruce budworm in the Ottawa and Hiawatha National Forests. The formulae used to estimate the mean, total, and associated standard errors of the various parameters at the national forest and forest district levels are presented. We present the 1978, 1979, and 1980 impact data for the following parameters; percent mortality, total dead volume. dead volume per ha, live volume per ha, defoliation ranking, frequency and extent of top-kill, and incidence of spruce budworm feeding on saplings and regenera- …
Protecting Cows In Small Holder Farms In East Africa From Tsetse Flies By Mimicking The Odor Profile Of A Non-Host Bovid, Rajinder K. Saini, Benedict O. Orindi, Norber Mbahin, John A. Andoke, Peter N. Muasa, David M. Mbuvi, Caroline M. Muya, John A. Pickett, Christian W. Borgemeister
Protecting Cows In Small Holder Farms In East Africa From Tsetse Flies By Mimicking The Odor Profile Of A Non-Host Bovid, Rajinder K. Saini, Benedict O. Orindi, Norber Mbahin, John A. Andoke, Peter N. Muasa, David M. Mbuvi, Caroline M. Muya, John A. Pickett, Christian W. Borgemeister
All Peer-Reviewed Publications
Background: For the first time, differential attraction of pathogen vectors to vertebrate animals is investigated for novel repellents which when applied to preferred host animals turn them into non-hosts thereby providing a new paradigm for innovative vector control. For effectively controlling tsetse flies (Glossina spp.), vectors of African trypanosomosis, causing nagana, repellents more powerful than plant derived, from a non-host animal the waterbuck, Kobus ellipsiprymnus defassa, have recently been identified. Here we investigate these repellents in the field to protect cattle from nagana by making cattle as unattractive as the buck. Methodology/Principal findings: To dispense the waterbuck repellents comprising guaiacol, …
New Records Of Pasimachus Elongatus In Michigan (Coleoptera: Carabidae: Scaritini), Gary A. Dunn
New Records Of Pasimachus Elongatus In Michigan (Coleoptera: Carabidae: Scaritini), Gary A. Dunn
The Great Lakes Entomologist
(excerpt)
Pasimachus elongatus LeConte is a large (21-28 mm), flightless ground beetle which occurs from Michigan westward to Montana and south to Louisiana and Arizona. A search of major entomological collections and the literature revealed that only a few specimens have actually been collected in Michigan.
The First Records In Illinois Of Heliconius Charitonius (Lepidoptera: Heliconiidae) And Phoebis Agarithe (Lepidoptera: Pieridae), R. W. Sites, J. E. Mcpherson
The First Records In Illinois Of Heliconius Charitonius (Lepidoptera: Heliconiidae) And Phoebis Agarithe (Lepidoptera: Pieridae), R. W. Sites, J. E. Mcpherson
The Great Lakes Entomologist
(excerpt)
Our key to Illinois butterflies, exclusive of the skippers (Hesperiidae), was published in 1980. It includes those butterflies listed by Irwin and Downey in their 1973 Illinois checklist plus two species,Anaea aidea (Guerin-Meneville) (Nymphalidae) and Celastrina ebenina Clench (Lycaenidae), added to the state list after 1973.
Survival And Food Detection By First-Instar Melanoplus Femurrubrum (Orthoptera: Acrididae), R. G. Bland
Survival And Food Detection By First-Instar Melanoplus Femurrubrum (Orthoptera: Acrididae), R. G. Bland
The Great Lakes Entomologist
Newly hatched Melanoplus femurrubrum (DeGeer) were evaluated for survival without food under various moisture, temperature, and light conditions. Although nymphs survived up to 113 h without food, they required food 48-W h after hatching to ensure continued survival and growth. Olfactory food detection was very limited and feeding tended to occur on the first suitable food encountered. Food covered with a ftlm of water and held within several millimetres of the palpi evoked palpal vibrations followed by antennal movements. The evidence suggests that hygroreceptors occur on the pa\pi and pa\pa\ stimulation is necessary before antennal olfaction occurs.
Comparative Behavior Of Pyrellia Cyanicolor (Diptera: Muscidae) On The Moss Splachnum Ampullaceum And On Substrates Of Nutritional Value, David B. Troilo, Randall G. Cameron
Comparative Behavior Of Pyrellia Cyanicolor (Diptera: Muscidae) On The Moss Splachnum Ampullaceum And On Substrates Of Nutritional Value, David B. Troilo, Randall G. Cameron
The Great Lakes Entomologist
(excerpt)
Entomophily is commonly associated with flowering plants and their pollen vectors, but also occurs in other groups of plants. Among fungi, several genera of Phallaceae offer food rewards to calliphorid and muscid flies, which inadvertently disperse the fungal spores (Ingold 1964). Bryhn (1897) first noted a relationship between various species ofDiptera and members of the moss family Splachnaceae. The nature of this interaction has been the subject of much speculation (Bequaert 1921, Erlanson 1935, Crum et aI. 1972, Koponen and Koponen 1977), but no experimental evidence has been collected.
Redescription Of Micropsectra Polita (Diptera: Chironomidae) With The Female And Immature Stages, Donald W. Webb
Redescription Of Micropsectra Polita (Diptera: Chironomidae) With The Female And Immature Stages, Donald W. Webb
The Great Lakes Entomologist
(excerpt)
Malloch (1915) described Micropsectra polita (as Tanytarsus politus) from males collected along the banks of Central Dredge Ditch at Easton, Mason County, llIinois. Females of this species were not collected at that time. On 12 February 1974, males, females, and larvae were collected from a small spring-fed seep (Fig. 1) running into Muncie Pond, in Vermilion County, llIinois.
Evaluation Of Adult Cottonwood Leaf Beetle, Chrysomela Scripta (Coleoptera: Chrysomelidae), Feeding Preference For Hybrid Poplars, M. O. Harrell, D. M. Benjamin, J. G. Berbee, T. R. Burkot
Evaluation Of Adult Cottonwood Leaf Beetle, Chrysomela Scripta (Coleoptera: Chrysomelidae), Feeding Preference For Hybrid Poplars, M. O. Harrell, D. M. Benjamin, J. G. Berbee, T. R. Burkot
The Great Lakes Entomologist
Foliage from the Leuce section of Populus was rejected for feeding by Chrysomela scripta adults in a choice test involving 12 hybrid poplar clones. Adults showed a feeding preference for the foliage from the Tacamahaca clones when compared to the Aigeiros clones.
Correct Identity Of The Oak Twig Pruner (Coleoptera: Cerambycidae), D. C. L. Gosling
Correct Identity Of The Oak Twig Pruner (Coleoptera: Cerambycidae), D. C. L. Gosling
The Great Lakes Entomologist
(excerpt)
The oak twig pruner is a cerambycid of minor economic importance which is generally common through most of eastern North America. The adult beetles oviposit on living twigs of oak and other hardwoods, and the larvae bore within the twig, subsequently pruning it from the tree. Haldeman (1847) identified this borer as Elaphidion villosus (Fabricius), a species later placed in the genus Elaphidionoides by Linsley (1963). This identification has been accepted and followed by Baker (1972), Craighead (1923, 1950), Duffy (1960), Knull (1946). Linsley (1963), and many other authors.
Field Release Of Virus-Sprayed Adult Parasitoids Of The European Pine Sawfly (Hymenoptera: Diprionidae) In Wisconsin, M. A. Mohamed, H. C. Coppel, D. J. Hall, J. D. Podgwaite
Field Release Of Virus-Sprayed Adult Parasitoids Of The European Pine Sawfly (Hymenoptera: Diprionidae) In Wisconsin, M. A. Mohamed, H. C. Coppel, D. J. Hall, J. D. Podgwaite
The Great Lakes Entomologist
Rapid field release of adult parasitoids sprayed with the nucleopolyhedrosis virus of the European pine sawfly successfully transferred the virus to feeding larval colonies.
Effects Of Aluminum Foil Mulch On Parasitism And Fecundity Of Apterous Myzus Persicae (Homoptera: Aphididae), Frank G. Zalmon, Whitney S. Cranshaw
Effects Of Aluminum Foil Mulch On Parasitism And Fecundity Of Apterous Myzus Persicae (Homoptera: Aphididae), Frank G. Zalmon, Whitney S. Cranshaw
The Great Lakes Entomologist
Chinese cabbage plants grown in flats containing either aluminum foil mulch or no mulch cover were uniformly infested with a single apterous adult Myzus persicae (Sulzer) and exposed in a greenhouse to a free-flying population of the parasite Aphidius ervi (Haliday). Aphid fecundity. plant growth, and temperature were greater in reflective mulch plots. Aphid pardSitism was lower over mulched plots until foliage growth obscured the mulch. Later. parasitism was more frequent in mulched plots. The effects upon parasitism, fecundity. and microclimate may explain instances where aluminum mulches have not reduced aphid populations.
The Response Of Aspen (Populus Tremuloides) To Artificial Defoliation, A. C. Hodson
The Response Of Aspen (Populus Tremuloides) To Artificial Defoliation, A. C. Hodson
The Great Lakes Entomologist
(excerpt)
In the summers of 1939 and 1940 hand defoliation oftrembling aspen, Populus tremuloides Michx., was carried on in a young stand located a few miles north of Itasca State Park. This study was undertaken to determine the response of aspen trees to several amounts of defoliation at four different times during the summer. Other similar artificial defoliation studies have been reported by Wallace (1945), Giese et al. (1964), Skilling (1964), Kulman (197 I), and Heichel and Turner (1976).
True And False Foodplants Of Callosamia Promethea (Lepidoptera: Saturniidae) In Southern Michigan, W. H. Wagner Jr., Michael K. Hansen, Michael R. Mayfield
True And False Foodplants Of Callosamia Promethea (Lepidoptera: Saturniidae) In Southern Michigan, W. H. Wagner Jr., Michael K. Hansen, Michael R. Mayfield
The Great Lakes Entomologist
A survey in 1980 of the associations of over 400 cocoons of Callosamia promethea Drury in vegetation along and adjacent to southern Michigan roadsides gave evidence for seven species of true larval foodplants (not including two others known in the area from other studies) and 17 species of false foodplants, the latter determined by the (1) rarity of their association with cocoons, (2) only one or two cocoons per plant, and (3) their proximity to a well known true foodplant. Three species, sassafras, black cherry, and buttonbush, are evidently the most important true foodplants in this area. Comparisons are made …
Resource Partitioning By Two Species Of Stream Mayflies (Ephemeroptera: Heptageniidae), William O. Lamp, N. Wilson Britt
Resource Partitioning By Two Species Of Stream Mayflies (Ephemeroptera: Heptageniidae), William O. Lamp, N. Wilson Britt
The Great Lakes Entomologist
We compared the phenology of nymph development, food type, and habitat selection of two stream mayflies, Stenacron interpunctatum (Say) and Stenonema pulchellum (Walsh) in Big Darby Creek, Ohio. Both species, which grow principally from autumn through early spring, emerged from the stream throughout the summer. The nymphs consumed the same sizes and types of food particles from deposits on stones, mostly in the form of detritus. As a result of morphological and behavioral adaptations, S. pulchellum lived on stones in swift water whereas S. interpunctatum lived on stones in a slower current.
The Influence Of Reflective Mulches And Lettuce Types On The Incidence Of Aster Yellows And Abundance Of Its Vector, Macrosteles Fascifrons (Homoptera: Cicadelidae), In Minnesota, Frank G. Zalom
The Great Lakes Entomologist
Five commercial lettuce cultivars representing different genetic types were grown through aluminum-coated paper, through black polyethylene film, and on bare soil. For each variety, the aluminum mulch reduced the numbers of Macrosteles fascifrons (St~l), reduced the incidence of aster yellows, and increased yields when compared to uncovered controls. The head lettuce cultivar 'Minetto' was most susceptible on unmulched plots (74.3%) while the leaf cultivar 'Grand Rapids' was least susceptible (33.8%). The latter also had the greatest infestation of leafhoppers which may indicate either resistance to the aster yellows agent or shorter feeding times by the vector leafhopper. The abundance of …
Development Of Orius Insidiosus (Hemiptera: Anthocoridae) In Relation To Temperature, P. C. Kingsley, B. J. Harrington
Development Of Orius Insidiosus (Hemiptera: Anthocoridae) In Relation To Temperature, P. C. Kingsley, B. J. Harrington
The Great Lakes Entomologist
A developmental threshold of lO.3°C and a thermal constant of 307 day-degrees C were estimated for a Wisconsin population of Orius insidiosus (Say) (Hemiptera: Anthocoridae) by rearing eggs and nymphs at various constant temperatures.
Seasonal Flight Patterns Of Hemiptera In A North Carolina Black Walnut Plantation. 6. Tingidae And Aradidae, J. E. Mcpherson, B. C. Weber
Seasonal Flight Patterns Of Hemiptera In A North Carolina Black Walnut Plantation. 6. Tingidae And Aradidae, J. E. Mcpherson, B. C. Weber
The Great Lakes Entomologist
The seasonal flight patterns of II species of Tingidae and six species of Aradidae collected in window traps in a North Carolina black walnut plantation are described. Flying height distributions and seasonal flight activities of Corythucha ciliata (Say) and Gargaphia solani Heidemann are considered in detail.
Seasonal Flight Patterns Of Hemiptera In A North Carolina Black Walnut Plantation. 5. Lygaeoidea, J. E. Mcpherson, B. C. Weber
Seasonal Flight Patterns Of Hemiptera In A North Carolina Black Walnut Plantation. 5. Lygaeoidea, J. E. Mcpherson, B. C. Weber
The Great Lakes Entomologist
The seasonal flight patterns of 31 species of Lygaeoidea collected in window traps in a North Carolina black walnut plantation are described. Flying height distributions and seasonal flight activities of Antillocoris pilosulus (Stlh), Crophius disconotus (Say) and Geocoris punctipes (Say) are considered in detail.
The First Record Of Phrictopyga Occidentalis In The United States (Homoptera: Fulgoroidea: Delphacidae), Stephen W. Wilson
The First Record Of Phrictopyga Occidentalis In The United States (Homoptera: Fulgoroidea: Delphacidae), Stephen W. Wilson
The Great Lakes Entomologist
Phrictopyga occidentalis (Muir) has been reported from Puerto Rico, Mexico, and Ecuador (Caldwell and Martorell, J. Agric. Univ. P. R. 34:133-269, 1950).
An Investigation On The Larval Habitat Of Five Species Of Tree-Hole Breeding Mosquitoes (Diptera: Culicidae), Lee Mitchell, C. Lee Rockett
An Investigation On The Larval Habitat Of Five Species Of Tree-Hole Breeding Mosquitoes (Diptera: Culicidae), Lee Mitchell, C. Lee Rockett
The Great Lakes Entomologist
A two-year study on the larval habitat of five species of tree-hole breeding mosquitoes was conducted in the vicinity of Bowling Green, Wood County, Ohio. Ninety-eight tree holes containing mosquito larvae were studied. Larval collections (27,741 specimens) were comprised of Aedes rriseriarus (90.8%), Orrhopodomyia signifera (3.3%), Aedes hendersoni (3.2%), Anopheles barberi (2.7%) and Orrhopodomyia alba (< 0.1%). Chemical parameters (BOD, tannin-lignin, pH, and conductivity) of different tree holes were evaluated. Although different tree-hole species were commonly found in association with one another at breeding sites, ecological differences between species were found in spatial, trophic, and temporal niche dimensions.
Descriptions Of Three New Species Of Nearctic Ctenopelmatinae (Hymenoptera: Ichneumonidae), John C. Luhman
Descriptions Of Three New Species Of Nearctic Ctenopelmatinae (Hymenoptera: Ichneumonidae), John C. Luhman
The Great Lakes Entomologist
Three new species of Ctenopelmatinae are described from series obtained from rearings of yellowheaded spruce sawfly larvae, Pikonema alaskensis (Rohwer).
Observations Of The Biology Of Phasgonophora Sulcata (Hymenoptera: Chalcididae), A Larval Parasitoid Of The Twolined Chestnut Borer, Agrilus Bilineatus (Coleoptera: Buprestidae), In Wisconsin, R. A. Haack, D. M. Benjamin, B. A. Schuh
Observations Of The Biology Of Phasgonophora Sulcata (Hymenoptera: Chalcididae), A Larval Parasitoid Of The Twolined Chestnut Borer, Agrilus Bilineatus (Coleoptera: Buprestidae), In Wisconsin, R. A. Haack, D. M. Benjamin, B. A. Schuh
The Great Lakes Entomologist
Phasgorzophora sulcata Westwood was the principal larval parasitoid of Agrilus bilineatus (Weber) during a study conducted in a natural oak-hardwood forest in the Kettle Moraine State Forest, Jefferson County, Wisconsin. Mean percent larval parasitism was 10.5%. Mean A. bilineatus and P. sulcata densities were, respectively, 53.0 and 6.1 adults per square meter of bark. The theoretical developmental threshold temperatures for over- wintering A. bilineatus and P. sulcata larvae were 17.8" and 19.l0C, respectively. The peak flight period of P. sulcata (9 July 1980) occurred ca. 3 weeks after the A. bilineatus peak flight (18 June 1980) at about the time …
Oviposition By Dendrosoter Protuberans (Hymenoptera: Braconidae) On Larvae Of Scolytus Multistriatus (Coleoptera: Scolytidae) Occupied By Larvae Of Entedon Leucogramma (Hymenoptera: Eulophidae), Bruce H. Kennedy
The Great Lakes Entomologist
Dendrosoter protuberans (Nees) was introduced into the United States from France as a possible addition to the existing spectrum of hymenopterous parasites of the smaller European elm bark beetle, Scolytus multistriarus (Marsham). D. protuberans is an external parasite; it oviposits through bark onto or next to late-instar larvae of S. multistriatus (Kennedy 1970) (Fig. 1).
Gypsy Moth (Lepidoptera: Lymantriidae) Survey In Michigan, Murray Hanna
Gypsy Moth (Lepidoptera: Lymantriidae) Survey In Michigan, Murray Hanna
The Great Lakes Entomologist
Gypsy moth, Lyrnantria dispar (L.), was first discovered in Michigan in 1954. Results of survey for the years 1954-1980 are presented.