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Filtering by: Creator Kernan, Casey P. Academic Affiliation Entomology Advisor Ritcher, Paul O.

The species of Chaetocnema north of Mexico (Coleoptera : Chrysomelidae)

Creator:

Gentner, Louis G., 1892-1980

Resource Type:

Dissertation

Full Text:

. Leach, A. T. NcClay, C. F. W. Mesebeck, and many others for the loan of specimens for study; to P. 3
The morphology and taxonomic significance of the male genitalia of Coenonycha (Coleoptera, Scarabaeidae)

Creator:

Davidson, Jean Hoyt Puckle

Abstract:

The genus Coenonycha contains 30 described species of small to medium sized scarabs. They are found in the arid and semi-arid regions of western United States and northern Baja California. The adults feed at night on several genera of xerophylous plants. An examination of the male genitalia of the 19...

Resource Type:

Masters Thesis

Full Text:

, Washington; Dr. H. B. Leech, California Academy of Sciences, San Francisco, California; Dr. P. W. Oman and
Biology studies of Macrosiphum avenae (Fabr.), Acyrthosiphon dirhodum (Walker), and Rhopalosiphum padi (L.) on Gramineae in western Oregon

Creator:

Greene, Gerald L.

Abstract:

Field biology studies of three grain aphids, Macrosiphum avenae (Fabr.), Acyrthosiphon dirhodum (Walker), and Rhopalosiphum padi (L.) were conducted near Corvallis, Oregon, from 1961 to 1964. Populations of M. avenae were found on grain plants, and alatae entering spring barley may have been from wheat fields. Specimens were found more...

Resource Type:

Dissertation

Full Text:

reimbursement. To those who were so kind to identify insect specimens thanks go to: Dr. M. J. P. Mackauer