Thyridanthrax
Contents
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Ordo: Diptera
Familia: Bombyliidae
Name
Thyridanthrax Osten Sacken – Wikispecies link – Pensoft Profile
Remarks
Thyridanthrax has twice as many species in the Palearctic region as in the Nearctic and Neotropical regions combined. All 12 species in North America are present in the USA with five also in Mexico. These are the first records of this genus in Coahuila. The distribution of Thyridanthrax selene (Osten Sacken, 1886b) and Thyridanthrax pallidus (Coquillett, 1887) are very similar, being present in all of the southern USA and probably also in all of northern Mexico, although they have been only collected in Sonora and Coahuila to date. Both species are rare and were collected only in April.