Colony defensive behavior by the social wasp Polybia (Trichothorax) sericea (Hymenoptera, Vespidae)
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Data
2007-01-01
Autores
Bichara Filho, Carlos Costa
Santos, Gilberto M. M.
Cruz, Jucelho Dantas da
Oliveira Pereira, Luiz Celio de
Gobbi, Nivar [UNESP]
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California State University
Resumo
This work aimed at evaluating the aggressive response of Polybia sericea, incited by mechanical means, as well as collecting information on the biological and population parameters of this species in Caatinga environments. There were positive correlations (P < 0.05) between the number of aggressors and the number of eggs, larvae and adults present in the nests. These results showed that the magnitude of the defense response exhibited by P. sericea is proportional to the energetic investment carried out by the colony in making young forms. The positive significant correlation between the number of aggressors and the total number of adults of the colony corroborates the hypothesis that colonies with a large population of adults have greater potential to perform what is called defensive altruism.
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Sociobiology. Chico: Calif State Univ, v. 49, n. 3, p. 215-220, 2007.