Proceedings of the Entomological Soceity of Washington
The common and widespread European bee Hylaeus (Spatulariella) hyalinatus Smith (Hymenoptera: Colletidae) is reported for the first time from the New World. During 1997-2000, specimens were collected in Ithaca, Tompkins County, New York. Diagnostic features are described and photographed to facilitate separation of H. hyalinatus from Nearctic Hylaeus species and from the two other Palearctic Hylaeus species previously reported as adventive in North America. Its geographic distribution, host plants, and seasonal history are summarized from the literature and from collections made in New York. Notes are provided on the occurrence of other adventive bee species including the first records of Hylaeus (Spatulariella) punctatus (Brulle) from northern California and of Megachile (Callomegachile) sculpturalis Smith (Hymenoptera: Megachilidae) from New York state.
Ascher, John S., "Hylaeus Hyalinatus Smith, A European Bee New to North America, with Notes on Other Adventive Bees (Hymenoptera: Apoidea)" (2001). An. Paper 49.
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