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The large species of Homalictus and related Halictinae from the New Guinea area (Hymenoptera, Apoidea)

by: Michener, Charles D. (Charles Duncan), 1918-2015

Publication date: 1980

Topics: Homalictus, Halictinae, Bees, Insects, Homalictus -- Classification, Halictinae -- Classification, Bees -- New Guinea -- Classification, Insects -- New Guinea -- Classification

Publisher: New York, N.Y. : American Museum of Natural History

Collection: americanmuseumnaturalhistory; biodiversity

Contributor: American Museum of Natural History Library

Language: English

Rights: http://biodiversitylibrary.org/permissions

Rights-holder: American Museum of Natural History Library

Volume: no. 2693

21 p. : 26 cm

"Several species of Homalictus and the related genus Urohalictus are markedly larger than other Homalictus. All these large species (all but one of which are new) occur at moderate to high altitudes in New Guinea or nearby islands, regions where other moderate-sized to large Halictinae are almost absent except for Lasioglossum (Parasphecodes?) permetallicum Michener. Five related new species (Homalictus megalochilus, H. torulosus, H. pelorodontus, H. umbonis, and H. sedlaceki) constitute the new subgenus Papualictus. The other large forms of Homalictus seem to have been independently derived, presumably from different small ancestors. Such large species are H. tricolor Michener and the new species H. hirashimai and H. ocellaris. Urohalictus lieftincki, new species, is an extraordinary bee related to Homalictus and Lasioglossum; it is possibly parasitic although one cannot be certain of this in the ansence of females"--P. [1]

Title from caption

"January 29, 1980."

Includes bibliographical references (p. 21)

Abstract: 'Several species of Homalictus and the related genus Urohalictus are markedly larger than other Homalictus. All these large species (all but one of which are new) occur at moderate to high altitudes in New Guinea or nearby islands, regions where other moderate-sized to large Halictinae are almost absent except for Lasioglossum (Parasphecodes?) permetallicum Michener. Five related new species (Homalictus megalochilus, H. torulosus, H. pelorodontus, H. umbonis, and H. sedlaceki) constitute the new subgenus Papualictus. The other large forms of Homalictus seem to have been independently derived, presumably from different small ancestors. Such large species are H. tricolor Michener and the new species H. hirashimai and H. ocellaris. Urohalictus lieftincki, new species, is an extraordinary bee related to Homalictus and Lasioglossum; it is possibly parasitic although one cannot be certain of this in the ansence of females'--P. [1].