New Species of Macrocephalic Halictine Bees (Hymenoptera: Halictidae)

Michael S. Engel; Ismael A. Hinojosa-Díaz; Daniel J. Bennett

doi:10.3161/000345412X652837

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Michael S. Engel,¹ Ismael A. Hinojosa-Díaz,¹ Daniel J. Bennett¹

¹Division of Entomology, Natural History Museum, and Department of Ecology and Evolutionary Biology, 1501 Crestline Drive - Suite 140, University of Kansas, Lawrence, Kansas 66045, USA; e-mail: msengel@ku.edu

Abstract

Two new species of New World halictine bees (Halictidae: Halictinae) are described and figured with extreme forms of female macrocephalism. Lasioglossum (Evylaeus) xitle sp. nov. (Halictini: Gastrohalictina) from Cráter del Xitle in Mexico City, Mexico and Augochlora (Oxystoglossella) empusa sp. nov. (Augochlorini: Augochlorina) from Madre de Dios, Peru are remarkable for not only their greatly enlarged heads and monstrously developed mandibles, but also for their pronotal modifications (both species), propodeal lamellae (A. empusa), and genal (L. xitle) and hypostomal (A. empusa) protrusions.

Citation Download Citation

Michael S. Engel, Ismael A. Hinojosa-Díaz, and Daniel J. Bennett "New Species of Macrocephalic Halictine Bees (Hymenoptera: Halictidae)," Annales Zoologici 62(2), 297-307, (1 June 2012). https://doi.org/10.3161/000345412X652837

Received: 29 December 2011; Accepted: 23 January 2012; Published: 1 June 2012

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