Trap-nest occupation by solitary wasps and bees (Hymenoptera: Aculeata) in a forest urban remanent
Temporal variation of solitary wasps and bees, nesting frequency, mortality, and parasitism were recorded from a remanent forest in Belo Horizonte, MG, Brazil. Wasps and bees were collected in trap-nests placed in areas with 25, 100, and 400 m², from February to November 2004. The 137 trap-nests collected contained 11 species of wasps and bees. Wasps occupied most nests (75%). Occupation peaks occurred in March (25%) and September (26%); in June, the lowest occupation (2%) was observed. Except for Trypoxylon (Trypargilum) lactitarse Saussure, no significant correlation was found between number of occupied nests, and temperature and rainfall means. In the nests, 48% of the immature specimens died; 13% of the nests were parasitized. Total death and parasitism rates of wasps and bees differed significantly.
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Entomológica do Brasil
2006
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2006000100006 |
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