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Influence of seasonal changes in daily activity and annual life cycle of Geotrigona mombuca (Hymenoptera, Apidae) in a Cerrado habitat, São Paulo, Brazil Iheringia, Sér. Zool.
Gobatto,André L.; Knoll,Fátima R. N..
The foraging activity of Geotrigona mombuca Smith, 1863 was studied under natural conditions aiming to verify the influence of seasonal changes on daily flight activity and annual cycle of the colony. Daily flight activity was monitored for a year based on the observation and counting of foragers leaving and entering the hive, as well as the kind of material transported and meteorological factors such as day time, temperature and relative humidity. The influence of seasonal changes was evidenced by alterations on daily rhythm of flight activity and by differences on transportation of food resources, building material and garbage. These data indicate that forager behavior is related to daily microclimate conditions and it is synchronized with the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Meteorological factors; Daily activity; Seasonality; Floral resources.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212013000400006
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Orchid bee baits attracting bees of the genus Megalopta (Hymenoptera, Halictidae) in Bauru region, São Paulo, Brazil: abundance, seasonality, and the importance of odors for dim-light bees Rev. Bras. entomol.
Knoll,Fátima R. N.; Santos,Leandro M..
Nocturnal bees in the genus Megalopta Smith, 1853 are generally collected using artificial light sources. However, between 1993 and 2000, a total of 946 females (no males were captured) were captured using aromatic baits commonly used for orchid bees (Euglossini) in five localities in Bauru region, São Paulo, Brazil. Aromatic compounds used in bait traps were: benzyl acetate, eucalyptol, eugenol, skatole, methyl salicylate, and vanillin. The Megalopta species collected were: M. guimaraesi (71.2% of total number of specimens), M. amoena (28.1%), and M. aegis (0.6%). Using the data from these traps, we showed that there was a positive and significant correlation between the abundance of individuals and meteorological factors, rainfall and temperature. Bees...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Abundance; Chemical baits; Scent; Seasonality.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262012000400013
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