Download Beetles : A Field Guide to the Beetles of North America by Richard E. White PDF

By Richard E. White

Over six hundred drawings and sixty five colour work painting consultant species of the 111 households of North American beetles. contains details on amassing and maintaining beetles.

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Dromedarii (ex camels), Hy. hussaini (ex ungulates), N. monstrosum (ex buffalo and others), R. (B). kohlsi (ex goats and sheep) and R. pumilio (ex wide range of mammals). It is not clear where R. sanguineus (ex dogs) and R. turanicus (ex dogs and other large mammals) evolved. Rhipicephalus turanicus occurs in Africa and many European countries whilst R. sanguineus can now be found on dogs throughout the world. Systematics and evolution of ticks Afrotropical origins Biogeographic region Afrotropical Nearctic Palearctic Oriental Equivocal 31 Nearctic/Neotropical Anocentor nitens Dermacentor variabilis Nearctic D.

E. when Africa was mostly isolated from the Palearctic and Oriental regions before the formation of the land bridge between Africa and Eurasia (14 Mya). Dispersal and radiation into Eurasia and Asia probably occurred after the land bridge formed between Africa and Eurasia in the Miocene. Balashov (1994) proposed that the genus Rhipicephalus evolved in Africa but thought it likely that the Boophilus species evolved in Europe. The phylogeny of Murrell et al. , 2000); and (4) the Rhipicentor lineage (two species) appears to have evolved in, and then remained in, Africa, although the possibility that species from this lineage evolved in, or dispersed to, other regions but then became extinct in those regions cannot be ruled out.

TA XO N O M Y A N D N O M E N C L AT U R E O F T H E T I C K S : T H E I N F LU E N C E O F PHYLOGENY Since Linnaeus described the first tick in 1746, a veritable army of biologists have contributed to the current taxonomic scheme of the ticks. Latreille was the first to classify the ‘tiques’ and in 1795 divided them into 11 genera, two of which were Argas and Ixodes (see Nuttall & Warburton, 1911). It is highly desirable that taxa are monophyletic and thus that classifications reflect accurately our knowledge of the evolutionary history (phylogeny) of organisms.

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