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Espécies novas de Lanthanomelissa Holmberg e Lanthanella Michener & Moure (Hymenoptera, Anthophoridae, Exomalopsinae)
Lanthanomelissa pampicola, sp.n., Lanthanomelissa magaliae, sp.n., Lanthanomelissa betinae. sp.n., and Lanthanomelissa clementis, sp.n. from southern Brazil, and Lanthanella luciane, sp.n. from
Catálogo de Apoidea da região neotropical (Hymenoptera, Colletidae). I. paracolletini
The species of the tribe Paracolletini are presented and a new genus, Actenosigynes, is proposed to Leioproctus (L.) fidvoniger Michener, 1989.
Espécies novas de Thygater Holmberg (Hymenoptera, Apoidea, Anthophoridae)
Five new species of Eucerine bees from the genus Thygater Holmberg, 1884 are described: Thygater (Thygater) anae sp.n., Thygater (Thygater) armandoi sp.n. and Thygater (Thygater) minarum sp.n. from
Espécies novas e notas sobre Anthodioctes Holmberg (Hymenoptera, Apoidea, Megachilidae)
New species of the Neotropical genus Anthodioctes Holmberg, 1903 are described: A. xilitlae sp.n. from Mexico; A. salvatoris sp.n. from El Salvador; A. costaricensis sp.n. from Costa Rica; A.
Espécies novas de Anthrenoides Ducke (Hymenoptera, Andrenidae) do Brasil
Twenty seven new species of Anthrenoides Ducke, 1907 are described and illustrated, together with main characters of AnthRenoides meridionalis and of A. micans Urban, 1995, to allow comparison with the new species.
Espécies novas de Anthrenoides Ducke (Hymenoptera, Apidae, Andreninae) da Argentina
Anthrenoides calderensis sp. nov., A. cordobensis sp. nov., A. gibberosus sp. nov., A. neffi sp. nov., A. punctatus sp. nov., A. saltensis sp. nov., A. sanpedroi sp. nov., A. tucumanus sp. nov. and
Espécies novas de Anthrenoides Ducke (Hymenoptera, Andreninae) do Sudeste do Brasil
Ten new species of Anthrenoides are described: A. affinis sp. nov., A. alvarengai sp. nov., A. bocainensis sp. nov., A. digitatus sp. nov., A. falsificus sp. nov., A. flavomaculatus sp. nov., A.
Mydrosomella cleia, uma espécie nova de Diphaglossinae do sul do Brasil (Hymenoptera, Colletidae)
Neste trabalho e descrita Mydrosomella cleia sp.n., de Osorio, Rio Grande do Sul, Brasil, segunda especie de Mydrosomella Michener, 1986, Diphaglossinae. ABSTRACT Mydrosomella cleia sp.n., a new
Espécies novas de Eucerinae Neotropicais e notas sobre Dasyhalonia phaeoptera Moure & Michener (Hymenoptera, Anthophoridae)
The diagnosis of the female of Dasyhalonia phaeoptera is given and the description of the male of Lophothygater aculeata sp.n.
O gênero Anthidium Fabricius na América do Sul: chave para as espécies, notas descritivas e de distribuição geográfica (Hymenoptera, Megachilidae, Anthidiini)
The genus Anthidium Fabricius in the South America: key for the species, descriptive notes, and geographical distribution (Hymenoptera, Megachilidae, Anthidiini). The Anthidiini, in South America, is