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Published Articles

Three new species of Tetrapedia Klug, 1810 (Hymenoptera: Apidae) and a key to the species recorded in Brazil
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Teratognathini Silveira, the priority family-group name for Ancyloscelidini Engel and Michener (Hymenoptera: Apoidea: Apidae: Eucerinae)
PDF(374.41KB)
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Descriptions of a new species and of three unknown males of Xylocopa Latreille, 1802 from the Neotropical region (Hymenoptera: Apidae: Xylocopini)
PDF(18.17MB)
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Carpenter bees (Apidae: Xylocopini: Xylocopa) from Maranhão, Northeast Brazil
PDF(16.28MB)
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A tribute to Fernando A. Silveira and his contributions to bee research
PDF(4.96MB)
Open Access
Festschrift in honour of Fernando Silveira (Table of contents)
PDF(237.28KB)
Open Access
A new neopasiphaeine bee associated with flowers of Loasaceae (Hymenoptera: Colletidae: Actenosigynes)
PDF(13.09MB)
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A problematic species complex of Lasioglossum subgeneric diagnostics in North America (Hymenoptera: Halictidae)
PDF(21.71MB)
Open Access
Three New Species of Microsphecodes s.str. (Hymenoptera: Halictidae) with an updated key to species of the subgenus
PDF(17.86MB)
Open Access
New Asian Andrena species, with notes on the subgenus Cnemidandrena (Hymenoptera: Andrenidae)
PDF(21.36MB)
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