Entomology Commons^™

Control Of Aphids On Spring Oats And Winter Wheat With Slow Release Granular Systemic Insecticides, Jaime E. Araya, Sue E. Cambron

The Great Lakes Entomologist

Aphid infestations (Homoptera: Aphididae) on spring oat (Avena sativa) cv. 'Ogle', and during the fall on winter wheat (Triticum aestivum) cv. 'Clark', composed mainly of Rhopalosiphum padi and Macrosiphum avenae, were reduced with applications at the 2-3 leaf stage of slow release granular formulations of acephate, carbofuran, and disulfoton, compared with carbofuran 15G and untreated controls, in field trials during 1990-1991 in northwestern Indiana. These field results corroborated those obtained by previous studies with the same formulations and dosages in the laboratory.

In oat, all insecticide treatments reduced aphid populations and percent- age aphid~infested plants, …

Detection Of Prolonged Diapause Of Northern Corn Rootworm In Michigan (Coleoptera: Chrysomelidae), D. A. Landis, E. Levine, M. J. Haas, V. Meints

The Great Lakes Entomologist

Prolonged diapause of northern corn rootworm, while known from other Midwestern states, has not previously been reported in Michigan. Populations of northern corn rootworm, (Diabrotica barberi) from two first-year corn fields in Genesee County, Michigan were examined for prolonged egg diapause. Pro- longed diapause was suspected in these populations due to an unusually high proportion of northern versus western corn rootworms in these fields. Eggs obtained from females collected at these sites were reared in the laboratory for two years. The presence of the prolonged diapause trait was confirmed in one population by eggs which hatched following two …

Riffle Beetles Of Wisconsin (Coleoptera: Dryopidae, Elmidae, Lutrochidae, Psephenidae) With Notes On Distribution, Habitat, And Identification, William L. Hilsenhoff, Kurt L. Schmude

The Great Lakes Entomologist

Twenty-four species of Elmidae, three species of Psephenidae, two species of Dryopidae, and one species of Lutrochidae were represented among 33,351 riffle beetles that were identified from Wisconsin. Almost all were found in streams, but some inhabited wave-swept lake margins and spring-ponds. Adults and larvae of eight species were collected almost exclusively from submerged, decaying wood, while those of most other species inhabited rock or gravel substrates, especially in stream riffles, and only occasionally were found in wood; adults of three species of Dubiraphia were found also on macrophytes. The presence of Stenelmis antennalis, S. fuscata, and S. …

Ontogeny And Systematics Of The Genus Cerophagus (Acari: Gaudiellidae), Mites Associated With Bumblebees, Barry M. Oconnor

The Great Lakes Entomologist

Nymphs and adults of Cerophagus nearcticus n. sp. are described from the nest of Bombus terricola occidentalis in California and phoretic associations with B. impatiens in Michigan and New York. On the basis of adult morphology, the genus Cerophagopsis is removed from synonymy with Cerophagus and retained in the family Acaridae, while Cerophagus is transferred to the family Gaudiellidae. The genus Rhypoglyphus is considered a junior subjec­tive synonym of Cerophagopsis. The genera of Gaudiellidae are noted and the genus Trigonacoptes is considered a junior subjective synonym of Gaudiella.

Further Eastern Range Extension And Host Records For Leptoglossus Occidentalis (Heteroptera: Coreidae): Well-Documented Dispersal Of A Household Nuisance, Wayne K. Gall

The Great Lakes Entomologist

Leptoglossus occidentalis is reported for the first time from Connecticut, New York, Ontario, Pennsylvania, and Wyoming, representing an eastern range extension from Indiana and Michigan. Tsuga canadensis and Pinus mugo are added to the long list of coniferous hosts of this coreid. Approximately 233 of 316 northeastern specimens were collected inside or on the outside of buildings from August-May, confirming previous observations that L. occidentalis uses buildings for overwintering. Isolated records from Con- necticut and eastern Pennsylvania suggest human-mediated dispersal may augment its natural dispersal. The pattern of distribution records on a map of North America identifies L. occidentalis as …

The Food Plants And Distribution Of The American Plum Borer (Lepidoptera: Pyralidae), David J. Biddinger, Angus J. Howitt

The Great Lakes Entomologist

The North American geographical and host plant distributions for the American plnm borer, Euzophera semifuneralis, are reported. Literature and curatorial surveys found the plum borer to be present in 34 states in the U. S. as well as parts of Canada, Mexico, and South America. Pheromone surveys and direct observation found it to be present in high numbers in most cherry and plum orchards in Michigan and in 28 counties of the lower peninsula. A very wide host range representing 15 plant families was found, with most host species in the Rosaceae.

A Key To Container-Breeding Mosquitoes Of Michigan (Diptera: Cllllcidae), With Notes On Their Biology, Thomas R. Wilmot, Deborah S. Zeller, Richard W. Merritt

The Great Lakes Entomologist

An illustrated key to larvae and notes on the biology of container-breeding mosquitoes of Michigan are presented. Two species included in the key. Aedes aegypti and Aedes albopictus. are not endemic in Michigan, but occasional introductions could occur with commercial shipments of scrap tires or other containers.

Relative Contribution Of Neutral And Deterministic Processes In Shaping Fruit-Feeding Butterfly Assemblages In Afrotropical Forests, Kwaku Aduse-Poku, Freerk Molleman, William Oduro, Samuel K. Oppong, David J. Lohman, Rampal S. Etienne

Publications and Research

The unified neutral theory of biodiversity and biogeography has gained the status of a quantitative null model for explaining patterns in ecological (meta)communities. The theory assumes that individuals of trophically similar species are functionally equivalent. We empirically evaluate the relative contribution of neutral and deterministic processes in shaping fruit-feeding butterfly assemblages in three tropical forests in Africa, using both direct (confronting the neutral model with species abundance data) and indirect approaches (testing the predictions of neutral theory using data other than species abundance distributions). Abundance data were obtained by sampling butterflies using banana baited traps set at the forest canopy …

New And Additional Distribution Records For Several Rare Mayflies (Ephemeroptera) In Wisconsin, Richard A. Lillie

The Great Lakes Entomologist

One nymph and one exuviae of Acanthametropus pecatonica were collected in June 1991 from the Black River and Chippewa River, respectively. These specimens extend the known range of this rare species in Wisconsin to three large Mississippi River tributaries. Homoeoneuria ammophila was recorded in Wisconsin for the first time; nymphs were collected from the Black River and Sugar River. Nymphs of Macdunnoa persimplex, Metretopus borealis, Pentagenia vittigera, Pseudiron centralis, and Cercobrachys sp. were also encountered.

The Sand-Dwelling Predatory Mayfly Pseudiron Centralis In Michigan (Ephemeroptera: Pseudironidae), W. P. Mccafferty

The Great Lakes Entomologist

(excerpt)

An examination of samples of Ephemeroptera larvae taken from 19 sites on the Pere Marquette River, Mason County, Michigan in October, 1990 and May, 1991 by A. G. B. Primack (Indiana University, Bloomington) revealed the presence of Pseudiron centralis McDunnough. This species was taken at seven sites between State Highway M37 and Rainbow Rapids, east of Ludington.

A Check List Of The Lepidoptera Of Beaver Creek State Park, Columbiana County, Ohio, Roy W. Rings, Eric H. Mezler

The Great Lakes Entomologist

Results of a comprehensive survey of Lepidoptera occurring at a 12,334 hectare natural area in Columbiana County. Ohio conducted in 1985 and 1990 is presented. Ten species of skippers, 27 species of butterflies and 597 species and forms of moths were identified and recorded. Euagrotis forbesi, and Spodoptera eridania had not previously been collected in Ohio; and Polia nimbosa and Idia laurenti have been designated as special interest since they are considered rare Ohio residents. The gypsy moth, Lymantria dispar was taken in bait traps and is the first record for that species in the Park. The presence of …

Factors Influencing Length And Volume Of Cells Provisioned By Two Passaloecus Species (Hymemoptera: Sphecidae), John M. Fricke

The Great Lakes Entomologist

Length of cells provisioned by Passaloecus areolatus and Passaloecus cuspidatus decreased as bore diameter increased, but volume of provisioned cells increased with increasing bore diameter. Activity of the parasitoid Omalus aneus increased length of provisioned cells. Wasp senescence did not result in increased cell length.

Holarctic Insects Adventive In Michigan: New And Additional Records (Homoptera, Heteroptera, Coleoptera, Neuroptera), A. G. Wheeler Jr.

The Great Lakes Entomologist

Fourteen European insects in the Homoptera (4 species), Heteroptera (5), Coleoptera (4), and Neuroptera (1) are reported from Michigan. Ten are new state records (one new Ohio record is given). The point of entry for most of the species is assumed to be the northeastern United States or Maritime Provinces of Canada. Possibilities of dispersal (natural and human-assisted) from centers of introduction in the Northeast, multiple introductions from Europe, and direct entry into the Great Lakes region are discussed.

Diagnostic Alleles From Electrophoresis Distinguish Two Noctuid Pest Species, Hydraecia Immanis And H. Micacea (Lepidoptera: Noctuidae)., J. Mark Scriber, Janice L. Bossart, Doozie Snider

The Great Lakes Entomologist

Native hop vine borer (Hydraecia immanis) and introduced potato stem borer (H. micacea) populations in Midwest corn have reached noticeable levels near the Great Lakes plant community ecotone between boreal forests and temperate deciduous forests. The hop vine borer is more specialized in its diet and occurs in corn generally south of the plant community ecotone, whereas the potato stem borer is polyphagous and occurs in corn mostly north of the Great Lakes plant transition zone. We analyzed the genetic composition of each species using cellulose acetate electrophoresis and resolved 19 loci of which 6 exhibited …

Seasonal Drift Of Lethocerus Americanus (Hemiptera: Belostomatidae) In A Lake Superior Tributary, Robert B. Dubois, Michael L. Rackouski

The Great Lakes Entomologist

Drifting adult Lethocerus americanus were captured and retained by an inclined-screen smolt trap during two field seasons in the Bois Brule River, Wisconsin. Seasonal peaks of drift occurred in spring for 4 weeks following ice out and in autumn for 7 -8 weeks from mid-September through ice formation, and may have continued under ice cover when our gear was not operated. These findings are consistent with the known movement pattern of these insects to fly from lentic habitats to streams to overwinter but also suggest longitudinal movement via drift, perhaps to reach specific overwintering sites. Drift was significantly correlated with …

The Return Of Hexagenia (Ephemeroptera: Ephemeridae) To The Lower Fox River, Wisconsin, Phillip A. Cochran

The Great Lakes Entomologist

Burrowing mayflies (Hexagenia bilineata) were collected in 1991 in the vicinity of the DePere dam on the Fox River, Brown County, Wisconsin. Because Hexagenia mayflies are indicators of good water quality, their emergence from the Fox River is evidence of improvement in conditions at the sediment-water interface.

Distribution Of The Water Scorpion Nepa Apiculata (Hemiptera: Nepidae) In Wisconsin, P. A. Cochran, A. P. Gripentrog, K. M. Stack

The Great Lakes Entomologist

The water scorpion Nepa apiculata Uhler was considered rare in Wiscon- sin by Hilsenhoff (1984), who collected only 11 individuals during a 25-year period. All of his collections were from overwintering sites, especially debris in streams, during early spring or autumn (Hilsenhoff, pers. comm.). He concluded that the species was restricted to southern Wisconsin. Recent collections indicate that N. apiculata is more widely distributed. These records, summarized below, are documented with specimens in the University of Wisconsin-Madison insect collection.

New Larval Descriptions And Comparisons Of North American Choroterpes (Ephemeroptera: Leptophlebiidae), W. P. Mccafferty

The Great Lakes Entomologist

Formal descriptions of larvae of the western North American species Choroterpes albiannulata and the eastern North American species Choroterpes fusca (Ephemeroptera: Leptophlebiidae) are given for the first time. Specimens, including reared adult and larval associations, of C. albiannulata were available from Nevada, Oregon, and Idaho, and rearings of C. fusca were made from the Huron Mountains in the Upper Peninsula of Michigan. Six of the nine species of North American Choroterpes (subgenus Choroterpes) are now known as larvae. Larval characteristics are compared, particularly with regard to similarities and differences between C. albiannulata and C. fusca, c. albiannulata and the …

Dytiscidae And Noteridae Of Wisconsin (Coleoptera). I. Introduction, Key To Genera Of Adults, And Distribution, Habitat, Life Cycle, And Identification Of Species Of Agabetinae, Laccophilinae And Noteridae, William L. Hilsenhoff

The Great Lakes Entomologist

Collected from Wisconsin were 83,710 adult and 5,600 larval Dytiscidae representing 148 species, and 95 adult Noteridae representing two species. A key to genera is presented, which includes names of species in genera that are monotypic in WIsconsin. Information on distribution and abundance in Wisconsin, range, habitat, life cycles, and identification are included for species in the dytiscid subfamilies Agabetinae and Laccophilinae, and the family Noteridae. Also included are keys to species of adult and larval Laccophilus found in Wisconsin.

Influence Of Tree Species On Frequency Of Trap-Nest Use By Passaloecus Species (Hymenoptera: Sphecidae), John M. Fricke

The Great Lakes Entomologist

Habitat selection by Passaloecus spp. based upon tree species used as stations for artificial nesting sites were studied. Data suggest that Passaloecus areolatus preferred Juglans and that P. cuspidatus preferred Pinus.

Hoplistoscelis Sordidus (Heteroptera: Nabidae) In Canada, M. C. Lariviere

The Great Lakes Entomologist

Hoplistoscelis sordidus is recorded for the first time from Canada. The distribution of the species, its establishment in Canada, and its bionomics are discussed. Characters are given that distinguish Hoplistoscelis from all other eastern Canadian genera of Nabinae. The potential role of the genus as a biological control agent is also briefly outlined.

The Odonata Of Isle Royale, Michigan, Josh Van Buskirk

The Great Lakes Entomologist

This paper presents a list of the Odonata recorded from Isle Royale National Park, located in northwestern Lake Superior. Collections from Isle Royale include 38 species of Anisoptera and 12 species of Zygoptera. The list is typical of the boreal regions of North America, and includes nine new records for Isle Royale and one new record for the state of Michigan.

Observations On The Nesting Of Crabro Tenuis (Hymenoptera: Sphecidae), Frank E. Kurczewski, Richard C. Miller

The Great Lakes Entomologist

Three nests of Crabro tenuis were studied during June 1971-1972 in Oswego County, New York. Females constructed shallow but lengthy, multicelled nests in sand with the cells being built in clusters, sometimes in series. Females plugged the entrances with damp sand and occupied the burrows during midday. Paralyzed prey were stored head inward at the end of the burrow. The deeper cells in a cluster were excavated and provisioned first and the shallower cells built and stored later, as determined by the developmental stages of the wasps within the cells. From four to seven paralyzed, adult male flies were placed …

The Assassin Bugs Of Michigan (Heteroptera: Reduviidae), J. E. Mcpherson

The Great Lakes Entomologist

Assassin bugs collected in Michigan and housed in the University of Michigan Museum of Zoology and the Michigan State University Entomology. Museum were used to compile a list of the state's species and subspecies. A total of 27 was found; an additional species, Empicoris parshleyi, was represented by a single specimen housed in the American Museum of Natural History. Eighteen of the 28 taxa represented new records for the state.

Aphidophagous Coccinellids In Alfalfa, Small Grains, And Maize In Eastern South Dakota, R. W. Kieckhefer, N. C. Elliott, D. A. Beck

The Great Lakes Entomologist

In a 13-year study of aphidophagous coccinellids associated with alfalfa (Medicago sativa), maize (Zea mays), and small grain crops in eastern South Dakota, the following species were consistently associated with the crops: Hippodamia convergens, H. tredecimpunctata tibialis, H. parenthesis, Coleomegilla maculata lengi, Coccinella transversoguttata richardsoni, Cycloneda munda, and Adalia bipunctata. All species except A. bipunctata were associated with each of the three crops, while A. bipunctata occurred only in maize. Relative abundances of each species varied among crops and among years. Although only seven species were associated with the crops, additional species were captured on …

Survival, Development And Population Dynamics Of Empoasca Fabae (Homoptera: Cicadellidae) On Three Legume Hosts, Stephen S. Peterson, John L. Wedberg, David B. Hogg

The Great Lakes Entomologist

Survival and development of potato leafhopper, Empoasca fabae, nymphs were measured on alfalfa (Medicago sativa), birdsfoot trefoil (Lotus corniculatus), and red clover (Trifolium pratense). Survival was not significantly different among host plants (mean = 62%). There was no interaction between sex and host plant for developmental time. Males developed significantly faster than females. Developmental time was fastest on alfalfa, intermediate on trefoil, and slowest on red clover. Plots of alfalfa, trefoil, and red clover were planted to compare the seasonal abundance of the potato leafhopper in the three forages. Nymphs were more abundant …

Morphological Differentiation Between Aphis Spiraecola And Aphis Pomi (Homoptera: Aphididae), Susan E. Halbert, David J. Voegtlin

The Great Lakes Entomologist

Aphis pomi and Aphis spiraecola, are both found on agriculturally important hosts such as apple and pear, and in trap collections. Their morphological similarity makes identification difficult. Examination of specimens of both species fom a wide geographical range demonstrated that available keys, especially those based on European material, were not always accurate for North American specimens. Data taken from North American specimens is presented and a key is provided to aid in the identification of trapped alatae preserved in alcohol as well as slide mounted alatae and apterae of these two species.

Effect Of Temperature On Development Rate And Survival Of Nomophila Nearctica (Lepidoptera: Pyralidae), Fredric D. Miller Jr., Joseph V. Maddox

The Great Lakes Entomologist

Development of Nomophila nearctica was studied under six constant tempera- tures in controlled temperature cabinets. Developmental threshold temperatures for egg, larval, and prepupal-pupal stages were 8.9, 1l.5, and 9.2°C. The overall mean developmental threshold temperature for all stages was 9.9°C. Degree-day summa- tions, based on the above threshold temperatures, averaged 50, 304, and 181 DD for the egg, larval, and prepupal-pupal stages, respectively. Total heat units of 535 DD are required for development from oviposition to adult emergence. Head capsule measurements indicated six larval instars.

A Check List Of The Lepidoptera Of Fulton County, Ohio With Special Reference To The Moths Of Goll Woods State Nature Preserve, Roy W. Rings, Eric H. Metzler, David K. Parshall

The Great Lakes Entomologist

The results of a comprehensive 1988-1989 survey of the Lepidoptera in the 130 hectare Goll Woods State Nature Preserve in Fulton County, Ohio are presented. In addition many records of butterflies and skippers outside the confines of the Pre­ serve are presented for the first time. This is the fifth in a series of papers featuring the current status of lepidopterous fauna in Ohio's recreational areas. A total of 27 species of skippers, 51 species of butterflies and 394 species of moths was identified and tabulated for the county. Three species on this list are classified as endangered, Epidemia helloides, …

Range Extensions Of Three Emesine Species In North America (Heteroptera: Reduviidae), J. E. Mcpherson

The Great Lakes Entomologist

The first records of Empicoris orthoneuron from Michigan, and E. winnemana and Ploiaria hirticornis from Missouri are reported. Those for E. orthoneuron and P. hirticornis represent considerable extensions of their recorded ranges.