A new species of Triatominae from Tamil Nadu, India |
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Authors: | Galvão C Patterson J S Da Silva Rocha D Jurberg J Carcavallo R Rajen K Ambrose D P Miles M A |
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Institution: | Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomineos, Departamento de Entomologia, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, Brazil. |
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Abstract: | Abstract A new species of the genus Linshcosteus Distant, 1904 (Hemiptera: Reduviidae: Triatominae) is described from specimens collected near Kalakkadu, Tamil Nadu state, southern India. Specimens were found in deep crevices between rocks, in a region of semi‐arid scrub jungle. The distinctiveness of the new species was demonstrated by a morphometric analysis including the five previously described species of Linshcosteus, all from India. Nine measurements of the head were used in an isometric size‐free principal component analysis. In terms of discrete morphology the new species, Linshcosteus karupus sp.n. Galvão, Patterson, Rocha & Jurberg differs from the most similar one, L. kali Lent & Wygodzinsky, 1979 , by its very prominent anterolateral projections of the pronotum, by the length to width ratio of the pronotum, by the pilosity of the head and several other characters, including phallic structures. A revised key is presented for the six species of the genus. |
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Keywords: | Linshcosteus karupus Reduviidae Triatominae morphometrics new species |
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