Entomology Commons^™

Key Parameter Comparisons Of Fungal Induced Mortality In Alfalfa Weevil Larvae (Coleoptera: Curculionidae), Robert J. Barney, Edward J. Armbrust

The Great Lakes Entomologist

Key parameters of alfalfa weevil larval mortality by Entornophthora phytonorni were compared weekly in three alfalfa fields. Rainfall appeared to be the overriding factor in seasonal larval infection rates.

Two Entomophthora Species Associated With Disease Epizootics Of The Alfalfa Weevil, Hypera Postica (Coleoptera: Curculionidae), In Ontario, D. G. Harcourt, J. C. Guppy, D. M. Macleod, D. Tyrrell

The Great Lakes Entomologist

Recent studies have shown that disease epizootics in Ontario populations of the alfalfa weevil, Hypera postica (Gyllenhal), are caused by a complex of two fungi.

Differences In Emergence Date And Size Between The Sexes Of Malacosoma Americanum The Eastern Tent Caterpillar (Lepidoptera: Lasiocampidae), Donald N. Bieman, J. A. Witter

The Great Lakes Entomologist

Malacosoma americanum males were smaller and began to pupate earlier than females. Since the sexes spent the same amount of time as pupae, males also emerged earlier. The adaptive significance of these results is discussed. Emergence data revealed an interesting sidelight; no moths emerged from cocoons inside tents.

Ontogeny Of The Tibial Spur In Megamelus Davisi (Homoptera: Delphacidae) And Its Bearing On Delphacid Classification, S. W. Wilson, J. E. Mcpherson

The Great Lakes Entomologist

The forms of the nymphal tibial spur in Megamelus davisi Van Duzee, and their relation to Muir's classification of delphacid subfamilies and tribes, are discussed.

Notes On The Biology Of Nersia Florens (Homoptera: Fulgoroidea: Dictyopharidae) With Descriptions Of Eggs, And First, Second, And Fifth Instars, S. W. Wilson, J. E. Mcpherson

The Great Lakes Entomologist

Information on food plants and laboratory rearing of Nersia florens Stal is provided, and the eggs and Ist, 2nd, and 5th instars are described.

Hawthorn Lace Bug (Hemiptera: Tingidae), First Record Of Injury To Roses, With A Review Of Host Plants, A. G. Wheeler Jr

The Great Lakes Entomologist

Hawthorn lace bug, Coryrhucha cydoniae (Fitch), is reported for the first time as damag- ing roses. Injury to climbing and hybrid Tea roses is described, and a list of known host plants is provided based on observations in Pennsylvania and review of literature. Preferred hosts are native and cultivated species of Amelanchier and Craraegus and ornamental Cotoneasrer and Pyracanrha. Damage to crabapple. fruit trees, mountain ash. and other rosaceous plants may occur when they are grown near more favored hosts.

Fourlined Plant Bug (Hemiptera: Miridae), A Reappraisal: Life History, Host Plants, And Plant Response To Feeding, A. G. Wheeler Jr, Gary L. Miller

The Great Lakes Entomologist

Phenology of the fourlined plant bug, Poecilocapsus lineatus, is presented for southcen- tral Pennsylvania; life history and habits are re-examined. Although breeding was previously thought to occur only on woody plants, we found that nymphs develop on numerous herbs. An extensive list of hosts, more than 250 species in 57 families, is compiled from the literature and the authors' observations; preferences are noted for plants in the Labiatae, Solanaceae, and Compositae. Damage consists of lesions on foliage, the size and shape of the spots varying with leaf texture, pubescence, and venation. Plant response to feeding is immediately visible, the lesions …

Seasonal Flight Patterns Of Hemiptera In A North Carolina Black Walnut Plantation. 4. Cimicoidea, J. E. Mcpherson, B. C. Weber

The Great Lakes Entomologist

The seasonal flight patterns of 12 species of Cimicoidea collected in window traps in a North Carolina black walnut plantation are described. Flying height distributions and sea- sonal flight activities of Nabis americoferus, N. roseipennis and Orius insidiosus are considered in detail.

Seasonal Flight Patterns Of Hemiptera In A North Carolina Black Walnut Plantation. 2. Coreoidea, J. E. Mcpherson, B. C. Weber

The Great Lakes Entomologist

The seasonal flight patterns of 16 species of Coreoidea collected in window traps in a North Carolina black walnut plantation are described. Flying height distributions and seasonal flight activities of Alydus eurinus and A. pilosulus are considered in detail.

Annotated List Of Indiana Scolytidae (Coleoptera), Mark Deyrup

The Great Lakes Entomologist

A list of 80 species of Indiana Scolytidae (bark and ambrosia beetles) is presented. Notes on known Indiana hosts and distribution in the state are included for each species.

Description Of A New Nearctic Species Of Tragosoma Audinet-Serville (Coleoptera: Cerambycidae: Prioninae), With Species Validations, New Synonymies And A Lectotype Designation, Serge Laplante

Insecta Mundi

Tragosoma soror (Coleoptera: Cerambycidae: Prioninae), a new Nearctic species, is described and compared to its North American congeners. Tragosoma harrisii LeConte, revised status, and Tragosoma spiculum Casey, revised status are both resurrected from synonymy and considered valid species distinct from T. depsarium (Linnaeus). The Mexican T. nigripenne Bates is confirmed as a valid species. Tragosoma chiricahuae Linsley, new synonym, is placed in synonymy under T. spiculum Casey, and T. sodale Casey, new synonym, T. parvicolle Casey, new synonym, and T. repens Casey new synonym are placed in synonymy under T. harrisii. Tragosoma repens is …

Social Parasitism Among Ants At The E.S. George Reserve In Southern Michigan, Mary Talbot

The Great Lakes Entomologist

(excerpt)

A mode of life in which one species spends all or part of its existence in close contact with, and at the expense of, another species is rather common among ants. Sudd (1%7) stated that about one sixth of all known European species are parasitic to some extent. At the Edwin S. George Reserve in Livingston County, Michigan, 28.7% (25 of the 87 species) fall into the category of forms considered to be in some way parasitic on other ants.

Persistence Of Jack Pine Budworm Choristoneura Pinus Pinus, (Lepidoptera: Tortricidae) Egg Mass Chorions On Jack Pine Foliage, Harold O. Batzer, Daniel T. Jennings

The Great Lakes Entomologist

More than one-fifth of old and nearly one-half of new jack pine budworm egg mass chorions remained on the foliage after one year, and an experienced observer could not determine accurately the age of one-fourth of them. Counts of new egg masses are used to estimate current populations, and large errors could result.

Effects Of Various Photoperiods On Color And Pubescence In Thyanta Pallidovirens Accerra (Hemiptera: Pentatomidae), J. E. Mcpherson

The Great Lakes Entomologist

The effects of a range of developmental photoperiods on adult dimorphism in Thyanta pallidovirens accerra were studied under laboratory conditions. Adults reared in photo- phases of 14L and higher had short pubescence and those in 12L and lower, long pu- bescence. No dimorphism in color was produced in these same photophases.

Effects Of Continuous And Split Developmental Photophases During Each 24 Hour Period On Adult Morphology In Euschistus Tristigmus Tristigmus (Hemiptera: Pentatomidae), J. E. Mcpherson

The Great Lakes Entomologist

Rearing immatures of Euschistus tristigmus tristigmus in 8L:16D, 8L: 4D:8L;4D, and 16L:8D showed that the length of each photophase, rather than an accumulated total of shorter photophases, during each 24 hr period was the determining factor in producing adult dimorphism in shoulder shape and number of midventral abdominal spots.

Evaluation Of Two Systems Used To Extract Alfalfa Weevil Larvae (Coleoptera: Curculionidae) From Alfalfa Samples, S. J. Roberts, D. P. Bartell, E. J. Armbrust

The Great Lakes Entomologist

A modified Berlese funnel system was developed to extract alfalfa weevil larvae (Hypera postica) from quadrats 30.5 cm on a side. Data from this system were comp.wed with simultaneous data from a hand sorting extraction system. In most instances, the modified Berlese system was as efficient as the hand sorting method and the number of man hours required to process samples by hand was far greater than that required by the Berlese system.

Effect On Constant Versus Fluctuating Temperature Regimes On Bathyplectes Curculionis (Hymenoptera: Ichneumonidae) Activity, Robert J. Barney, E. J. Armbrust, R. D. Pausch, S. J. Roberts

The Great Lakes Entomologist

Individual female Bathyplectes curculionis parasites were exposed to either a series of constant or fluctuating temperature regimes and supplied with a new group of host Hypera postica larvae every day. The fluctuating temperatures were calculated from an average of weekly air temperatures during a period of actual field oviposition by the parasite. The rearing of adult parasites under a constant versus fluctuating temperature regime resulted in no significant difference in parasitism, longevity, or fecundity. The threshold for B. curculionis activity was estimated to be 6-8°C.

Biology Of The Hyperparasitic Wasp Perilampus Similis (Hymenoptera: Perilampidae), Foster Forbes Purrington

The Great Lakes Entomologist

Planidia of the hyperparasitic wasp, Perilarnpris similis Crawford, enter their braconid host, Agathis rnetzneriae Muesebeck, during that host's active growth phase, returning to the outer surface when the host is prepupal. Second instar perilampids search for and destroy conspecific larvae on the surface of the braconid prepupae, thus eliminating super- parasitism. Planidia in primary hosts, Metzneria lappella Zeller moth larvae in burdock seeds, unparasitized by the braconid persist without further development through pupation and occur in various tissues of the adult moth.

Effects Of Salmon Spawning Activity On Macroinvertebrates In A Small Michigan Stream, Douglas L. Denison, Peter G. Meier

The Great Lakes Entomologist

Density and composition of macroinvertebrate populations were examined prior to and during the migration and spawning of coho and chinook salmon in a small stream in Michigan. Data gathered from bottom samples indicated that disruption of substrate in the experimental area resulted in a significant decrease in the numbers and species of the macroinvertebrate community. This reduction of invertebrates can create a severe stress on native trout populations.

Additions To The Checklist Of The Illinois Spiders, J. A. Beatty, J. M. Nelson

The Great Lakes Entomologist

Five families and 140 species of spiders not included in former Illinois checklists are recorded. Two of these families, Antrodiaetidae and Scytodidae, and 40 of the species have been cited in earlier revisionary or other literature. The families Oonopidae, Symphytognathidae (slat.) and Ctenidae, and the remaining 100 species of spiders are recorded from Illinois for the first time. Locality data are given as counties only, and months of capture of mature specimens are presented. The total known spider fauna of Illinois now stands at 500 species in 27 families.

An Outbreak Of The Saddled Prominent Caterpillar, Heteocampa Guttivitta (Lepidoptera: Notodontidae) On Beaver Island, Michigan, Alice Loesch, Jeffry Foran

The Great Lakes Entomologist

(excerpt)

In 1975 and 1976 an outbreak of the saddled prominent caterpillar, Heterocarnpa guttivitta (Walker) was observed in Beech-Maple climax forests on Beaver Island, Michigan. The adult guttivitta moths emerge in late May and early June, mate, and lay small (1 mm) eggs on the underside of leaves. One female lays about 500 of the green spheres. In 9-10 days the eggs hatch, and the larvae go through characteristic changes in form and markings through the following five instars (Allen, 1972).

Diagnoses, Distribution, And Comparative Life History Notes On Aaroniella Maculosa (Aaron) And A. Eertmoedi N.Sp. (Psocoptera: Philotarsidae), Edward L. Mockford

The Great Lakes Entomologist

Two species formerly confused under the name Aaroniella maculosa (Aaron) are separated in all life history stages. Application of the name maculosa was determined by examination of the type. The other species is new and is named (A. eertmoedi) and described. It is parthenogenetic, apparently with no males. The ranges of the two species are largely distinct but show some overlap.

Observations Of The Habits Of Lygaeus Kalmii Angustomarginatus (Hemiptera: Lygaeidae) In Southern Michigan, Linda-Margaret Hunt

The Great Lakes Entomologist

Lygaeus kalmii Stal (Hemiptera: Lygaeidae) is an insect found throughout the eastern United States and Canada. There is extensive taxonomic literature on this insect (Stil, 1874; Townsend, 1887; Parshey, 1919, 1923; Slater and Knopf, 1969), but very little attention has been given to the rest of its biology. This study describes the habits of kalmii populations in southern Michigan.

Additions And Corrections To The List Of Michigan Pentatomoidea (Hemiptera), J. E. Mcpherson

The Great Lakes Entomologist

Six new species are added to the 1970 list of Michigan Pentatomoidea, and two are deleted.

Effects Of Various Photoperiods On Morphology In Euschistus Tristigmus Tristigmus (Hemiptera: Pentatomidae), J. E. Mcpherson

The Great Lakes Entomologist

Rearing immatures of Euschistus tristigmus tristigmus in a range of photoperiods showed that a threshold photoperiod is involved in the adult dimorphic response (shoulder shape and number of midventral abdominal spots) with the mean threshold probably near 14.5L:9.5D (light: dark). This threshold is consistent with the seasonal distribution of the adult morphs.

Susceptibility And Injury Of Some Hybrid Walnuts By The Butternut Curculio (Coleoptera: Curculionidae), Louis F. Wilson, Jeffrey A. Corneil, Walter A. Lemmien

The Great Lakes Entomologist

The butternut curculio, Conotrachelus juglandis LeConte (Coleoptera: Curculionidae), injures the shoots and nuts of various species and hybrids of Juglans in eastern North America. This insect was described in 1876 (LeConte, 1876); its life history has been studied in Connecticut (Britton and Kirk, 1912) and in West Virginia (Brooks, 1922). Its range, however, extends from the New England states through southern Canada to the Great Plains and south to Kansas, Alabama, and Georgia, contiguous with the natural range of butternut (J. cinerea), its native host.

Life History Of The Butternut Curculio, Conotrachelus Juglandis (Coleoptera: Curculionidae), In Michigan, Jeffrey A. Corneil, Louis F. Wilson

The Great Lakes Entomologist

(excerpt)

The butternut curculio, Conotrachelus juglandis LeConte (Coleoptera: Curculionidae), injures the shoots and nuts of various species and hybrids of Juglans in eastern North America This insect was described in 1876 (LeConte, 1876); its life history has been studied in Connecticut (Britton and Kirk, 1912) and in West Virginia (Brooks, 1922). Its range, however, extends from the New England states through southern Canada to the Great Plains and south to Kansas, Alabama, and Georgia, contiguous with the natural range of butternut (J. cinema), its native host.

New World Limnichinae Iv. Eulimnichus Casey. B. Descriptions Of New Species (Coleoptera: Limnichidae), David P. Wooldridge

The Great Lakes Entomologist

Thirteen new species of Eulimnichus are described: Eulimnichus visendus, corrinae, langleyae, coheni, improcerus, pellucidus, sharpi, incultus, rugulosus, nrsticus, acutus, subitus, and spangleri. A key to the 27 known species is included.

Two Observations Of Predation On Lepidoptera, Irwin Leeuw

The Great Lakes Entomologist

(excerpt)

During the early afternoon of 25 August, 1977, a large European mantid, Mantis religiosa Linnaeus, was observed feeding on an adult male monarch butterfly, Donaus p. plexippus Linnaeus (Danaidae) while clinging to the flower head of a blazing star plant (Liatris sp.) on a cactus prairie at the Allegan State Game Area, Allegan County, Michigan.

Collecting Neocurtilla Hexadactyla, The Northern Mole Cricket (Orthoptera: Gryllidae), In Iowa, J. R. Dewitt

The Great Lakes Entomologist

(excerpt)

The northern mole cricket, Neocurtilla hexadactyla (Perty), is a common insect that is infrequently collected perhaps owing to its burrowing and nocturnal habits. It tunnels into moist soil and feeds on tender roots, earthworms, or various insect larvae (Blatchley, 1920).