Publicação: SEXUAL DISTINCTION BETWEEN 5TH INSTAR NYMPHS OF 6 SPECIES OF TRIATOMINAE (HEMIPTERA, REDUVIIDAE)
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Mem Inst Oswaldo Cruz
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Resumo
The aim of this paper is to present the analysis of sexual morphological differences observed in 5th instar nymphs of the following species: Panstrongylus megistus; Rhodnius neglectus; Triatoma brasiliensis; T. infestans; T. matogrossensis and T. tibiamaculata. Male and female nymphs were examined and photographed with a Scanning Electron Microscope. The 9th segment dimensions of dorsal and ventral faces were determined through a Profile Projector. Results and statistical analysis showed significant differences: the 9th sternite is significantly broader in male than in female nymphs, while in five species, tergites in female nymphs are broad and in male are narrow.
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SEXUAL DISTINCTION, SCANNING, NYMPHS, TRIATOMINAE
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Inglês
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Memorias do Instituto Oswaldo Cruz. Rio de Janeiro: Mem Inst Oswaldo Cruz, v. 87, n. 2, p. 257-264, 1992.
