Rhynchotermes armatus, a new mandibulate nasute termite (Isoptera, Termitidae, Syntermitinae) from Colombia

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Abstract

Rhynchotermes armatus sp. nov. is described from soldiers and workers collected in the Magdalena River Valley of Colombia. Both castes of this new termite are superficially similar to R. perarmatus (Snyder) but the former are smaller, head capsules yellowish instead of reddish, and among additional characters, the soldier has narrower mandibles and marginal teeth.

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Historical Biogeography and Patterns of Differentiation within the South American Avifauna: Areas of Endemism

Joel Cracraft (1985)

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The Great American Biotic Interchange: Dispersals, Tectonics, Climate, Sea Level and Holding Pens

Michael Woodburne (2010)

The biotic and geologic dynamics of the Great American Biotic Interchange are reviewed and revised. Information on the Marine Isotope Stage chronology, sea level changes as well as Pliocene and Pleistocene vegetation changes in Central and northern South America add to a discussion of the role of climate in facilitating trans-isthmian exchanges. Trans-isthmian land mammal exchanges during the Pleistocene glacial intervals appear to have been promoted by the development of diverse non-tropical ecologies. Electronic supplementary material The online version of this article (doi:10.1007/s10914-010-9144-8) contains supplementary material, which is available to authorized users.