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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.27 no.2 Manaus June 1997

https://doi.org/10.1590/1809-43921997272152 

ZOOLOGIA

ABELHAS EUGLOSSINAE DE BARREIRINHAS, ZONA DO LITORAL DA BAIXADA ORIENTAL MARANHENSE

The Euglossinc Bees of Barreirinhas, Western Coastal Lowland Zone of Maranhão State, Brazil

José Manuel Macário REBÊLO 1  

Antonio de Jesus M. CABRAL 2  

1Universidade Federal do Maranhão Departamento de Patologia Praça Madre Deus, n° 2 CEP 65.025 - 560 São Luís - MA.

2Auxiliar técnico.


RESUMO

Machos de Euglossinac foram coletados nos cerrados da região de Barreirinhas, Zona do Litoral da Baixada Oriental Maranhense, com uso de cineol, eugenol, salicilato de metila e benzoato de benzila, como iscas. Foram encontradas 9 espécies distribuídas em 4 gêneros: Euglossa, Eufriesea, Eulaema e Exaerete. As mais comuns foram Euglossa cordata (63,31%), Eulaema ungulata (17,80%), Eulaema nigrita (7,63%), Euglossa modestior (4,94%) e Eufriesea ornata (4,16%). As demais, Euglossa chalybeata, Euglossa fimbriata, Euglossa melanotricha e Exaerete smaragdina, foram menos freqüentes, representando juntas 2,16% da amostra total. As abelhas estiveram ativas nas duas estações, seca e chuvosa, sendo mais abundantes na última. Cineol atraiu 78,2% dos machos (8 espécies), eugenol, 19,9% (5 espécies), salicilato de metila 1,3% (1 espécie) e benzoato de benzila 0,6% (2 espécies).

Palavras-Chave: Abelhas; Euglossinae; iscas odoríferas; Maranhão

ABSTRACT

Male euglossine bees were collected in the savannas (Cerrado) of Barreirinhas, in the western coastal lowland zone of Maranhão State. Animals were baited with cineole, eugenol, methyl salicylate and benzyl benzoate. Nine species belonging to 4 genera were found. Euglossa cordata was the most abundant (63,31%), followed by Eulaema cingulata (17,80%), Eulaema nigrita (7,63%), Euglossa modestior (4,94%) and Eufriesea ornata (4,16%). The others Euglossa chalybeata, Euglossa fimbriata, Euglossa melanotricha and Exaerete smaragdina, were less frequently found, representing only 2,16% of the total sample (combined). The bees were active in both the rains and dry seasons, especially on the first. Cineole was the most attractive aromatic compound (78,2% of specimens and 8 species), followed by eugenol (19,9% and 5 species), benzyl benzoate (0,6% and 2 species) and methyl salicylate (1,3% and 1 species).

Key words: Bees; Euglossinae; Chemical baits; Maranhão

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