Título:	External activity of mandaçaia (Melipona mandacaia) in dry and wet periods in Petrolina (PE).
Autor:	RODRIGUES, F. RIBEIRO, M. de F. LIMA, C. B. da S. BRAGA, J. R.
Afiliación:	FRANCIMÁRIA RODRIGUES, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO; MARCIA DE FATIMA RIBEIRO, CPATSA; CÂNDIDA BEATRIZ DA SILVA LIMA, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO; JULIARA REIS BRAGA, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO.
Año:	2012
Referencia:	In: ENCONTRO SOBRE ABELHAS, 10., 2012, Ribeirão Preto. Anais... Ribeirão Preto: FUNPEC, 2012.
Descripción:	Knowledge on pattern of bees? external activity is crucial in crop pollination programs. The objective of this work was to obtain information on flight activity of mandaçaia Melipona mandacaia in Petrolina, PE. The observations were performed at intervals of 30 minutes, for 10 minutes, from 5:00 pm to 18:10 pm for five consecutive days, respectively in the dry period (DP: 08-12 August, 2011) and wet period (WP: 19-23 March, 2012) of the year. At the entrance of a mandaçaia colony maintained in the Laboratory of Bees (Embrapa Semiárido), was counted the number of bees that entered the nest carrying pollen, mud, resin and without loads in corbicula (assumed as nectar collection). The number of bees that left the nest carrying material (garbage) or nothing was recorded too. In the DP were observed 313 bees entering the nest, distributed as follows: 64.2% (pollen), 33.5% (nectar), 1.0% (mud), 1.3% (resin); and 338 leaving the nest, being 12.7% (garbage) and 87.3% (no load). In the WP, 739 bees were registered: 22.0% (pollen), 58.1% (nectar), 6.0% (mud), 13.9% (resin); and 1,065 leaving: 20.2% (garbage), 79.8% (without load). The values were significantly higher in WP than in the DP, except for pollen, that presented an inverse relationship (Mann Whitney, p< 0.05 for all comparisons, n= 270). This could be explained by the greater availability of pollen in the DP. In general, temperature and relative humidity were factors that had the greatest influence on bees? activity. Concerning temperature, the larger activity was observed between 20.4-21.6ºC (DP), and 22.9- 27.1ºC (WP). For relative humidity, the highest activity was observed between 66.1-71.9% (DP), and 62.5 -77.3% (WP). Additionally, in both periods the foraging activity was more intense during the morning, suggesting that agricultural practices must be avoided at this time in order to not affect the bees activities.
Thesagro:	Abelha Inseto Apicultura
NAL Thesaurus:	Insects
Palabras clave:	Mandaçaia Melipona mandacaia Atividade externa Meliponicultura Abelhas sem ferrão Bee
Tipo de Material:	Resumo em anais e proceedings
Acceso:	openAccess
Aparece en las colecciones:	Resumo em anais de congresso (CPATSA)