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Morphological caste studies in the neotropical swarm-founding Polistinae wasp Angiopolybia pallens (Lepeletier) (Hymenoptera: Vespidae) Neotropical Entomology
Gelin,Luiz F.F.; Cruz,Jucelho D. da; Noll,Fernando B.; Giannotti,Edilberto; Santos,Gilberto M. de M.; Bichara-Filho,Carlos C..
Neotropical swarm-founding wasps present polygynic colonies and a great variation in relation to caste differentiation, ranging from species in which queens and workers are similar in shape and size to those where variation in shape and size is conspicuous. Canonical discriminant analysis and Bonferroni t-test analysis on morphometric data collected from eight body parts of specimens from nine colonies of Angiopolybia pallens (Lepeletier) were undertaken as a step towards to a better understanding on caste differenciation in Epiponini. All specimens were dissected to verify the ovary developmental stage, and the spermatheca was removed to check for the mating status. Females were then grouped as queens (mated with developed ovaries), intermediates (virgin...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Social insect; Morphometry; Epiponini; Caste differentiation.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2008000600011
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Morphological and physiological variation between queens and workers of Protonectarina sylveirae (de Saussure) (Hymenoptera, Vespidae, Epiponini) Rev. Bras. entomol.
Tanaka Junior,Getulio Minoru; Soleman,Raduan Alexandre; Noll,Fernando Barbosa.
Morphological and physiological variation between queens and workers of Protonectarina sylveirae (de Saussure) (Hymenoptera, Vespidae, Epiponini). The Neotropical swarm-founding wasps, Epiponini, range from the absence of morphological differentiation between castes to highly distinct castes. We measured eight body parts of females of two colonies of Protonectarina sylveirae (de Saussure, 1854). ANOVA and Discriminant Analysis evidenced significant differences between castes, as previously observed by other authors for other species of Epiponini. However, some females previously categorized as queens, were actually workers, supported by our statistic analyses. These individuals showed intermediate morphological features between queens and workers, having...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Caste differentiation; Polistinae; Social wasps.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262010000100013
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Morphological studies on castes of Protopolybia chartergoides (Hymenoptera, Vespidae, Epiponini) observed in colonies during male production stage Rev. Bras. entomol.
Felippotti,Giovanna Tocchini; Noll,Fernando Barbosa; Mateus,Sidnei.
Social wasps are important for the study of social behavior evolution because their colonies present different degrees of caste differentiation, from morphologically similar to highly conspicuous, associated with the occasional presence of intermediate females, which bears developed ovaries but no insemination. In the Polistinae, depending on the taxon, such differentiation can be discreet or conspicuous. This work intended to study morphological and physiological differences between castes in Protopolybia chartergoides by using morphometric analyses associated with multivariate statistical analyses and physiological evaluations from females' ovarian development. Results evidence low morphological and physiological differences among the castes in P....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Caste differentiation; Polistinae; Social wasps.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262007000400015
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