By Richard Bohart and Lionel Stange
Read Online or Download A revision of the genus Zethus Fabricius in the Western Hemisphere (Hymenoptera: Eumenidae) PDF
Best entomology books
Dr. Timothy Schowalter has succeeded in making a special, up to date therapy of insect ecology. This revised and increased textual content seems at how bugs adapt to environmental stipulations whereas protecting the facility to considerably adjust their setting. It covers more than a few themes- from person bugs that reply to neighborhood adjustments within the setting and have an effect on source distribution, to complete insect groups that experience the potential to switch atmosphere stipulations.
This can be a whole synopsis of the millipede fauna of Asian Russia, the significant Palaearctic region extending from the Ural Mountains within the west to the Pacific coast and adjoining islands within the east. The fauna, which has no fewer than 103 species, 39 genera, 17 households, and 5 orders, is reviewed and summarized.
Realizing biotic pressure and plant yield makes it possible for the sensible improvement of monetary determination making, an instrumental a part of built-in Pest administration. and extra, the influence of biotic harm on plant yield bears at once at the uncomplicated organic questions of inhabitants dynamics, existence historical past recommendations, neighborhood constitution, plant-stressor coevolution, and atmosphere nutrient biking.
Cyanobacteria make a massive contribution to international photosynthesis and nitrogen fixation, yet also are infamous for inflicting nuisances similar to dense and infrequently poisonous `blooms' in lakes and the sea. The Ecologyof Cyanobacteria: Their range in Time and house is the 1st publication to concentration exclusively on ecological features of those organisms.
Extra resources for A revision of the genus Zethus Fabricius in the Western Hemisphere (Hymenoptera: Eumenidae)
Museu Paulista 8: 466. Holotype "Jundiahy," Sao Paulo, Brazil (SPMZ). -Length to apex of tergite II about 16 mm (male), 21-23 mm (female). Black "rith yellow on apical one-third of male clypeus and on antennaI hook, sometimes small spots on female clypeus, scrobal spot, yellow on scape, small spots on legs, and subapical spots on tergite I; sometimes reddish are propodeum, abdomen, legs, mandible, female clypeus, tegula, and parategula; wings strongly brown stained, violaceous. Clypens with small scattered macropunctures interspersed with micropunctures; subhumeral area with moderate striae beluw, mostly micropunctate above; mesopleuTon, postscutellum and posterior face of propodeum with sparse, small punctures.
2 Distal lamella of tergite II more coriaceous, micropunctate, color about as on remainder of tergite; tergite I closely shagreened; stem of tergite II much broader than long; females only known 3 2. ans Zavattari B. Abdomen essentially blue or greenish blue 4 Abdomen yello\v or dark brown ' 5 4. Tergite I nearly as broad as long measured from subbasal carina; thorax essentially greenish blue, head blue \vith gena broadly red (northern Argentina) wagneri Bohart and Stange Tergite I less than one-half as broad as long measured from subbasal carina; thorax essentially black, gena dark brown (Surinam, French Guiana, Brazil, Bolivia) ehalybeus Saussure a • • • • • • • • • • • • • • • • • • • •• 38 University of California Publications in Entomology 19 prominens spinipes otomitus neotomjfus 23 huascari 24 26 wagner'; 27 bequaerti 28 bequaerti Figs.
Gigas has long been the name applied to this species and coeruleopennis has been considered a synonym of mexican·us Linnaeus. However, examination of the type of coeruleopennis has proved it to be conspecific with gigas. It is by far the largest species of Zethus and is related to chimorum. Both species have tergite II hardly raised at the base of the distal lamella and the male basitarsus of the foreleg is conspicuously compressed laterally. e on the mesopleuron of the female and the relatively smooth scutum of coeruleopennis are noteworthy.