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16 November 2017 Crematogaster (Hymenoptera: Formicidae) of Trinidad and Tobago, West Indies
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Abstract

Trinidad and Tobago are continental shelf islands, connected with South America when ocean levels were lower during glacial maxima. Trinidad became isolated from South America only ∼1.5 kya and Tobago became isolated ∼12 kya. Because of this former connection, these islands have many South American species not found on islands of the Lesser Antilles that were never connected to South America. I collected nine species of acrobat ants (Crematogaster) in Trinidad and Tobago: Crematogaster brasiliensis, Crematogaster carinata, Crematogaster crinosa, Crematogaster crucis, Crematogaster curvispinosa, Crematogaster limata, Crematogaster nigropilosa, Crematogaster rochai, and Crematogaster tenuicula. All these species have broad ranges in South and Central America. Only two, C. crinosa and C. curvispinosa, are also known from multiple islands of the Lesser Antilles north of Trinidad and Tobago.

James K Wetterer "Crematogaster (Hymenoptera: Formicidae) of Trinidad and Tobago, West Indies," Transactions of the American Entomological Society 143(4), 751-755, (16 November 2017). https://doi.org/10.3157/061.143.0405
Published: 16 November 2017
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