News from the west: the orchid bees from Parque Nacional do Iguaçu, Paraná, Brazil (Hymenoptera, Apidae, Euglossina)

AUTOR(ES)

Faria, Luiz R. R.

FONTE

Biota Neotrop.

DATA DE PUBLICAÇÃO

28/03/2019

RESUMO

Resumo: Abelhas-das-orquídeas foram amostradas no Parque Nacional do Iguaçu, o maior fragmento de Floresta Estacional Semidecidual do Brasil. Sete espécies foram coletadas e Eufriesea violacea (Blanchard) foi a espécie mais comum, seguida por Euglossa annectans Dressler. A riqueza e composição de espécies observadas concordam com o que se conhece para as faunas locais de abelhas euglossinas em fragmentos de Floresta Estacional Semidecidual. Por outro lado, a abundância de indivíduos foi notavelmente baixa. A ocorrência de um inverno severo em 2013 e a coleta de muitos machos em outros fragmentos sugerem que tal baixa abundância pode ser fortuita.Abstract: Orchid bees were surveyed at Parque Nacional do Iguaçu, the largest remnant of Seasonal Semideciduous Forest in Brazil. Seven species were collected, and Eufriesea violacea (Blanchard) was the most common species, followed by Euglossa annectans Dressler. The observed species richness and species composition agree with what is known for the local euglossine faunas in fragments of Seasonal Semideciduous Forest of southern and southeastern Brazil. On the other hand, the abundance of individuals was remarkably low. The occurrence of a severe winter in 2013 and the collection of several males in other fragments suggest that this noteworthy low abundance can be fortuitous.

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