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A comparative study of the ovaries in some Brazilian bees (Hymenoptera; Apoidea) Pap. Avulsos de Zool. (São Paulo)
Martins,Gustavo Ferreira; Serrão,José Eduardo.
The present paper concerns the morphological features of ovaries in 33 species of bees with different social behavior patterns. The ovaries of bees were examined under light microscope. They are polytrophic-meroistic ovaries formed for an anterior germarium and a basal vitellarium. The germarium houses the germ cells and in the vitellarium there are follicles arranged linearly. In general the follicle is constituted by a nutritive chamber (a cluster of nurse cells) and an oocyte chamber, both covered by a single epithelial layer of follicular cells. The number of ovarioles per ovary and the number of mature oocyte per ovary were analyzed. Measurements of ovariole length, oocyte size, oocyte width, follicular epithelial height and the intertegular distance...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Insect morphology; Ovary; Reproductive tract; Social behavior.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492004000300001
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Biochemical and morphological aspects of salivary glands of the predator Brontocoris tabidus (Heteroptera: Pentatomidae) BABT
Azevedo,Dihego de Oliveira; Zanuncio,José Cola; Zanuncio Jr.,José Salazar; Martins,Gustavo Ferreira; Marques-Silva,Solange; Sossai,Marcos Franklin; Serrão,José Eduardo.
The aim of this work was to study the feeding habits of the predator Brontocoris tabidus (Heteroptera: Pentatomidae) analyzing the salivary gland complex (SGC). The SGC was dissected and subjected to histological analyses and biochemical assays. Results showed that a pair of bilobed principal salivary glands and one pair of tubular accessory salivary glands form the SGC and different parts of salivary gland synthesizes similar substances. Lipases, a-amylase and trypsin-like enzymes were detected at both lobes of the principal salivary gland. These data together with observations related to the predator's diet suggested that it could be considered an obligate zoophytophagous.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Salivary glands; Biological control; Heteroptera; Pentatomidae.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000300013
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