The Chironomidae (Insecta: Diptera) of San Salvador Island: A preliminary survey and a look to the future

Petra Kranzfelder

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Chironomidae (Diptera) are among the most diverse and widespread aquatic insects, with over 5,000 species described worldwide. Nearly 900 species are recognized from the Neotropical region, while over 1,200 species are known from the Nearctic region. This pattern of fewer species at lower latitudes, particularly in tropical ecoregions, does not conform to trends for other insects, which show highest species diversity in tropical areas. However, comparatively few field investigations have examined the species richness of Chironomidae in the Neotropical region. To date, only four species of Chironomidae have been recorded in the Bahamas. The goal of this study was to document Chironomidae species diversity on San Salvador Island in the Bahamas. In March of 2012, a variety of aquatic habitats representing fresh to saline waters were sampled for chironomid larvae and pupal exuviae. Two sites yielded abundant numbers of immature and recently emerged Chironomidae, as indicated by presence of pupal exuviae. Twelve species new to the Bahamas were found: Chironomus Meigen (3 morphospecies), Dicrotendipes sp. A Epler, Polypedilum (Tripodura) scalaenum group (1 morphospecies), Goeldichironomus fluctuans Reiss, Tanytarsus mendax Kieffer, Tanytarsus cf. confuses Malloch, Ablabesmyia (Sartaia) metica Roback, Labrundinia maculata Roback, Paramerina anomala Beck and Beck, and Djalmabatista pulchra (Johannsen). All of these are new records for the Bahamas, with Tanytarsus mendax and Paramerina anomala new for the Neotropical region.
Original languageEnglish (US)
Title of host publicationConference: Fifteenth Symposium on the Natural History of the Bahamas
Subtitle of host publicationGerace Research Centre, San Salvador, Bahamas
StatePublished - Apr 1 2016


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