Technical papers on miscellaneous forest insects
Series: Technical series / United States Bureau of Entomology -- no. 20; Technical series (United States. Bureau of Entomology) -- no. 20.
Publisher: Government Printing Office
Published: 1911
Place of publication: Washington
Language: eng
Number of pages: 185
Subjects: Forest insects
Notes: Cover title.

Includes bibliographical references and indexes.
Table of contents: title: I. Contributions toward a monograph of the bark-weevils of the genus Pissodes / A.D. Hopkins; title: II. The genotypes of the sawflies and woodwasps, or the superfamily Tenthredinoidea / by S.A. Rohwer; title: III. A revision of the powder-post beetles of the family Lyctidae of the United States and Europe / by E.J. Kraus. Appendix. Notes on habits and distribution with list of described species / by A.D. Hopkins; title: IV. Studies in the sawfly genus hoplocampa / by S.A. Rohwer; title: V.A preliminary synopsis of Cerambycoid larvae / by J.L. Webb; title: VI. Chalcidids injurious to forest-tree seeds / by S.A. Rohwer.