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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
Supplementary Studis On The Systematics Of The Genus Perdita (Hymenoptera, Andrenidae) Part Ii, Philip H. Timberlake
Supplementary Studis On The Systematics Of The Genus Perdita (Hymenoptera, Andrenidae) Part Ii, Philip H. Timberlake
Th
No abstract provided.
Supplementary Studies On The Systematics Of The Genus Perdita (Hymenoptera, Andrenidae) Part Ll, P. H. Timberlake
Supplementary Studies On The Systematics Of The Genus Perdita (Hymenoptera, Andrenidae) Part Ll, P. H. Timberlake
All PIRU Publications
This is the second part of a study (1971) that is supplementary to my revision of the genus Perdita (1954, 1956, 1958, 1960, 1962, 1964, 1968). Herein are treated some 57 species, of which 44 are described as new and the synonymy of three species is given. New keys are provided for the subgenera Macroteropsis, Epimacrotera, Cockerellula, and the Octomaculata Group and Sphaeralceae Group of the subgenus Perdita. The key to Macroteropsis is new for the females of that group, that for Epimacrotera is a revision of the key in Part III (1958). The key to Cockerellula is …
Notes On The Biology Of Halictus (Halictus) Farinosus Smith (Hymenoptera: Halictidae), William P. Nye
Notes On The Biology Of Halictus (Halictus) Farinosus Smith (Hymenoptera: Halictidae), William P. Nye
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Describes the habitat, life history, foraging, social behavior, and nest architecture of the subsocial halictine bee Hal ictus (Hal ictus) farinosus Smith. The interplay of host-plant conditions with nest development and generations is discussed. Natural enemies and other associates are noted but not extensively treated.
New Species Of North American Bees Of The Genus Dufourea (Hymenoptera, Halictidae) With Descriptions Of Two Previously Undescribed Females, George E. Bohart
New Species Of North American Bees Of The Genus Dufourea (Hymenoptera, Halictidae) With Descriptions Of Two Previously Undescribed Females, George E. Bohart
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Thirteen new species of halictid bees in the genus Dufourea are described. Also described are females of two species known previously only from males. All are from the Western United States and northern Mexico.
Spider Community Organization : Seasonal Variation And The Role Of Vegetation Architecture, Cynthia L. Hatley, James A. Macmahon
Spider Community Organization : Seasonal Variation And The Role Of Vegetation Architecture, Cynthia L. Hatley, James A. Macmahon
Green Canyon Environmental Research Area, Logan Utah
The relationship between vegetation architecture and spider community attributes were examined in a big sage community. Spiders were separated into guilds using similarities of species' hunting behavior. Shrub architecture was experimentally manipulated in the field by either clippings 50% of the shrub's foliage to decrease foliage density or tying together a shrub's branches to increase foliage density. Shrub perturbations resulted in changes in the number of spider species, spider guilds and guild importance values. The number on spider species and guilds in the tied shrubs were significantly higher than those in the clipped or control shrubs sampled. Spider species diversity …
Beekeeping Regions In The United States, William P. Nye
Beekeeping Regions In The United States, William P. Nye
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No abstract provided.