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- Brito, E. L. S.; Aragão, M.; Santos, G. M. M.
- Insectes sociaux 2018 v.65 no.3 pp. 411-417
- Parachartergus; adults; colony defense; immatures; nests; population size; predation; progeny; pupae; social insects; wasps
- ... The parental investment (PI) theory predicts that animals that have the ability to care for their offspring should defend them with an optimal intensity to minimize the risks of predation. This study evaluates the stages of development that are more valued and, therefore, are more protected by the colonies of the founding wasp Parachartergus pseudoapicalis. We determined the effects on the colony ...
- Awde, D. N.; Richards, M. H.
- Insectes sociaux 2018 v.65 no.3 pp. 367-379
- Lasioglossum; adults; females; males; nests; oviposition; principal component analysis; queen insects; reproductive behavior; sex ratio; social insects; worker insects; Ontario
- ... Female eusocial sweat bees are capable of behaving as queens or workers. Relatively few females become queens, and those that do can directly manipulate the reproductive behaviour of other females in the nest. We collected Lasioglossum (Dialictus) laevissimum workers from nests with and without queens (queenright and queenless nests, respectively) to investigate the influence queens exert on worke ...