Aquatic Chrysomelidae and a table of the families of Coleopterous larvae.

Reprinted from N. Y. State Museum bulletin 68, Aquatic insects in N. Y. State.

The nematodes parasitic in the alimentary tract of cattle, sheep, and other ruminants.

Mode of access: Internet.

Parasitic wasps of the Catolaccus group in the Americas /

Cover title.

Grasshopper egg pods destroyed by larvae of bee flies, blister beetles, and ground beetles /

Literature cited: p. 28-29.

The genera of parasitic wasps of the braconid subfamily Euphorinae with a review of the nearctic species /

Contribution from Bureau of Entomology and Plant Quarantine.

A review of the parasitic wasps of the ichneumonid genus Exenterus Hartig /

Contribution from Bureau of Entomology and Plant Quarantine.

Nearctic sawflies : I. Blennocampinae : adults and larvae (Hymenoptera: Tenthredinidae) /

Includes bibliographical references (p. 166-176) and index.

The parasitic wasps of the genus Macroteleia Westwood of the New World : (Hymenoptera, Proctotrupoidea, Scelionidae) /

Issued Aug. 1977.

A review and reclassification of larvae of the subfamily Hadeninae (Lepidoptera, Noctuidae) of America north of Mexico /

Includes bibliographical references (p. 168-174).

Taxonomy of Acrobasis larvae and pupae in Eastern North America (Lepidoptera : Pyralidae) /

Mode of access: Internet.

Goniozus gallicola fouts, a parasite of moth larvae, with notes on other bethylids (Hymenoptera : Bethylidae, Lepidoptera : Gelechiidae) /

Issued Feb. 1976.

Biosystematics of the first-stage larvae of some North American Bruchidae (Coleoptera) /

Includes appendix.

The nearctic parasitic wasps of the genera Psilus Panzer and Coptera Say : (Hymenoptera, Proctotrupoidea, Diapriidae) /

Issued July 1980.

Micro-organisms with special reference to the etiology of the infective diseases,

Literature: p. 1-63.

A textbook of bacteriology : including the etiology and prevention of infective diseases and a short account of yeasts and moulds, haematoza, and psorosperms.

Includes index.