Hymenoptera -

"Authors consulted": p. [xi]-xix.

Ants, bees, and wasps : a record of observations on the habits of the social hymenoptera /

Includes index and bibliographical references.

Hymenoptera Scandinaviae,

Vols. 2-3, printed by F. Berling.

A study of the wings of the tenthredinoidea, a superfamily of hymenoptera /

Caption title.

New species of North American bees of the genus Dufourea (Hymenoptera, Halictidae) with descriptions of two previously undescribed females /

Cover title.

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.

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

Issued Feb. 1976.

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

Issued July 1980.

Hymenoptera of America north of Mexico : synoptic catalog, second supplement /

Index. pp. 521.