Taxonomic studies on the subgenus Megachile (Dactylomegachile) in Argentina (Hymenoptera: Megachilidae).

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    • Alternate Title:
      Estudios taxonómicos del subgénero Megachile (Dactylomegachile) en Argentina (Hymenoptera: Megachilidae). (Spanish)
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    • Abstract:
      This contribution deals with the most common and frequently collected species of Megachile (Dactylomegachile) in Argentina. The taxonomy of seven species is clarified, presenting sex associations for all but one of the species, M. binota, the male sex of which remains unknown. In most cases sex associations are based on specimens reared from trapnests. The following new synonymies are proposed: M. nigella Vachal is a junior synonym of M. ctenophora Holmberg; M. parsonsiae Schrottky and M. riojanensis Mitchell are junior synonyms of M. infima Vachal; M. trochantina Vachal and M. perspicua Mitchell are junior synonyms of M. leucografa Friese; M. albopunctata Jörgensen is a junior synonym of M. tetrazona Friese; M. suspecta Vachal and M. impudens Mitchell are junior synonyms of M. vagata Vachal. Redescriptions, distributional data, and a key to the studied species are given. [ABSTRACT FROM AUTHOR]
    • Abstract:
      Esta contribución trata las especies más comunes y frecuentemente colectadas de Megachile (Dactylomegachile) en Argentina. Se esclarece la taxonomía de siete especies, presentando asociaciones de sexos para todas menos para M. binota, cuyo macho permanece desconocido. En la mayoría de los casos las asociaciones de sexos se basan en ejemplares criados de nidos trampa. Se proponen las siguientes nuevas sinonimias: M. nigella Vachal es sinónimo posterior de M. ctenophora Holmberg; M. parsonsiae Schrottky y M. riojanensis Mitchell son sinónimos posteriores de M. infima Vachal; M. trochantina Vachal y M. perspicua Mitchell son sinónimos posteriores de M. leucografa Friese; M. albopunctata Jörgensen es sinónimo posterior de M. tetrazona Friese; M. suspecta Vachal y M. impudens Mitchell son sinónimos posteriores de M. vagata Vachal. Se presentan redescripciones, datos de distribución y una clave para las especies tratadas. [ABSTRACT FROM AUTHOR]
    • Abstract:
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