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A revision of the genus Deraeocoris Kirschbaum (Heteroptera:Miridae) from western America north of Mexico

Creator:

Razafimahatratra, Vincent de Paul

Abstract:

The genus Deraeocoris Kirschbaum of western America north of Mexico was revised. Approximately 10,000 specimens from the Nearctic Region were examined. Taxonomic characters used by previous authors were reevaluated. In addition to the male parameres, the male vesica and the female posterior wall of the bursa copulatrix and sclerotized rings...

Resource Type:

Dissertation
Nearctic sawflies I, the adults and larvae of the subfamily Blennocampinae (Hymenoptera: Tenthredinidae)

Creator:

Smith, David R.

Abstract:

Seventy-two species of Blennocampinae in 21 genera and six tribes are known from the Nearctic region. The adults and known larvae of all species and genera are keyed, described and illistrated. A definition of the subfamily, a review of previous work, a table of host-plant associations, and a discussion of...

Resource Type:

Dissertation
Riparian and adjacent upslope beetle communities along a third order stream in the western Cascade Mountain Range, Oregon

Creator:

Brenner, Gregory John

Abstract:

Monitoring wildlife habitats has become important to forest ecosystem management because it provides valuable information about the response of forests and their species to harvest practices, impacts from recreational use, conservation efforts, and natural and human-caused disturbances. Monitoring is a complex task that requires a variety of abiotic and biotic...

Resource Type:

Dissertation

Full Text:

., Castanopis (D. Don) Spach, Lithocarpus Blume, Populus L., Ouercus L., and Salix L.), but conifers represent
A review of Sitobion, with a description and revision of a new genus (Homoptera: Aphididae)

Creator:

Jensen, Andrew S.

Resource Type:

Dissertation

Full Text:

(closed square) 438 B.3 Figure B.3. Distribution map for L don= (star), B, insularis (open circle