Squash Bugs of South Dakota

The family Coreidae is best known because of the destructive habit of the squash bug, Anasa tristis, on squash, pumpkin, cucumber, and other members of the cucurbit family in the United States. The family, represented by various species, is found throughout the world. However, only 13 species are found in South Dakota. Lethierry and Severin (1894) supplied us with the earliest and most complete catalog of these bugs. They listed 1,320 species and divided them into 29 subfamilies. Van Duzee (1917), in his catalog of the Hemiptera of America north of Mexico, listed 125 species which he divided among 48 genera and five subfamilies. Two of these subfamilies Alydinae and Corizinae were elevated to family rank by Parshley (1923) and Blatchley (1926) . Torre-Bueno (1941) listed 76 species for the family Coreidae in the United States. He recognized 29 genera, 9 tribes, and 3 subfamilies in the Coreidae and used the family rank for the Alydinae and Corizinae, Schaefer (1965) recognized four subfamilies, Pseudophloeinae, Meropachydinae, Coreinae and Agriopocorinae (this latter extrazimital). Baranowski and Slater (1986), in their Coreidae of Florida, listed 120 species dispersed among 18 genera, 9 tribes and 3 subfamilies. The material examined in this work is deposited in the SDSU H.C. Severin Insect Museum and represents an accumulation of years of collecting by Dr. H.C. Severin from 1919 until his death in 1954. The family Coreidae is characterized as follows: Antennae four-segmented, inserted above the eye; rostrum four- segmented; scutellum triangular, small to medium in size, not reaching middle of body; hemelytra composed of clavus, corium, and membrane, the membrane furnished with numerous veins frequently forked or anastomosing; tarsi three-segmented; ocelli present; metathoracis scent gland auricle distinct, short, rounded; female ovipositor plates flattened, plate like. Abdominal trichobothria present. Male parameres internal, must be dissected for study. Nymphs have doral abdominal scent gland openings between terga 4-5 and 5-6

The Leafhoppers of South Dakota and Additional Distribution Records from 18 States and Canada

The leafhoppers or Cicadelloidea constitute one of the largest superfamilies within the Class Insecta. All of the members of this superfamily are plant feeders. Many cause damage to fruits, cereals, forage crops, forest and shade trees, grasses and various ornamental plants. They are recorded as attacking people when occurring in large numbers on lawns, golf fairways, or other predominantly grass covered areas. They are important in the transmission of plant viruses and can reduce crop yield in small garden plots

A new Bruchophagus from Glycyrrhiza lepidota pursh in the Northern Great Plains (Hymenoptera : chalcidoidea : eurytomidae)

A new species, Bruchophagus grisselli McDaniel and Boe, which infests seeds of Glycyrrhiza lepidota Pursh (American licorice), is described and illustrated. It\u27s known from South Dakota and North Dakota in the USA. A field study at 8 sites showed that B. grisselli has a wide distribution throughout the Dakotas

The Eriophyid Plant Mites of South Dakota

Mites of the superfamily Eriophyoidea have been long known as pests of deciduous trees in the United States. Parrott et al. (1906) reported damage to many varieties of apples and pears by eriophyids. In California, damage to commercial varieties of citrus was recognized more than 30 years ago (Keifer 1939); in Florida damage to citrus was reported earlier (Yothers and Mason 1930). The role of the eriophyid mites as vecotrs of plant viruses has become the subject of intensive attention in the past two decades in North America. Slykhuis (1953) and Wilson et al. (1955) are largely credited for bringing this renewed interest in eriophyid mites. Slykhuis and Wilson\u27s discoveries of the wheat curl mite, Eriophyes tulipae Keifer, as vector of wheat streak mosaic virus (WSMV) and Phytoptus insidiosus (Wilson and Keifer) as vector of peach mosaic virus prompted many plant pathologists and entomologists to study the bionomics and control

Life History Studies, Host Records, and Morphological Description of Genitalia of Eurytoma tylodermatis Ashm. (Hymenoptera : Eurytomidae) from South Dakota

Eurytoma tylodermatis Ashm. was found to be parasitic on Acanthoscelides perforatus (Horn) in seed pods of Canada milk- vetch {Astragalus canadensis L.). Observations on larval behavior and frequency of parasitism are discussed. Male and female genitalia of E. tylodermatis are illustrated

Labidocarpid bat-mites of Venezuela (Listrophoroidea: Labidocarpidae)

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A taxonomic study of scale insects of the family Diaspididae in Texas (Homoptera - Coccoidea

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