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| Lima,P. R. de; Brochetto-Braga,M. R.. |
| Hymenoptera venoms are complex mixtures containing simple organic molecules, proteins, peptides, and other bioactive elements. Several of these components have been isolated and characterized, and their primary structures determined by biochemical techniques. These compounds are responsible for many toxic or allergic reactions in different organisms, such as local pain, inflammation, itching, irritation, and moderate or severe allergic reactions. The most extensively characterized Hymenoptera venoms are bee venoms, mainly from the Apis genus and also from social wasps and ant species. However, there is little information about other Hymenoptera groups. The Apis venom presents high molecular weight molecules - enzymes with a molecular weight higher than... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hymenoptera; Venom; Enzymes; Peptides. |
| Ano: 2003 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992003000200002 |
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| Scaglia,M.; Chaud-Netto,J.; Brochetto-Braga,M. R.; Ceregato,S. A.; Gobbi,N.; Rodrigues,A.. |
| Large scale mass rearing of natural enemies has been a mean of improving biological control in the sugarcane intensive agriculture. Among them, Cotesia flavipes, a gregarious koinobiont endoparasitoid, was imported by Brasil to control caterpillars of the sugarcane borer Diatraea saccharalis. The C. flavipes larval development depends on its association with polydnavirus, which blocks the host defense reaction. To verify if the oviposition sequence (1st, 2nd or 3rd) and the female condition (mated or virgin) interfere in the number of C. flavipes descendents, 4th instar caterpillars of D. saccharalis were parasitized. Analysis of the data showed that: a) there is an inverse correlation between the parasitism efficiency and the host reaction... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cotesia flavipes; Diatraea saccharalis; Oviposition sequence; Encapsulation; Chrysalises; Parasitism. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992005000300007 |
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