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| dct:title
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| dct:abstract
| - Amblycerus atypicus, new species, and A. ischiodontus, new species, are described and illustrated. The former has an area with overlapping scales in part of the external elytral margins and the inner distal portion of the hind femur with fine transverse striation. Amblycerus ischiodontus has an area transversely striate on the metepisternum and an apical tooth on the ventral margin of the hind femur. The areas on the elytra and metepisternum probably act as a file and the striate area or the tooth of the hind femur as the scraper. The elytro-femoral method of stridulation is postulated for the first time in Bruchidae and is shared with Amblycerus cistelinus (Gyllenhal), A. jatayensis (Pic), A. sosia Ribeiro-Costa and Kingsolver, A. whiteheadi Kingsolver and A. guazumicola Kingsolver and Johnson. The other kind, involving the metepisternum and hind femur, has already been described for three other Amblycerus species: A. eustrophoides (Schaeffer), A. pollens (Sharp), and A. stridulator Kingsolver, Romero N., and Johnson. A key for the bruchid species with modified body areas probably involved in stridulation is presented.
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| bibo:abstract
| - Amblycerus atypicus, new species, and A. ischiodontus, new species, are described and illustrated. The former has an area with overlapping scales in part of the external elytral margins and the inner distal portion of the hind femur with fine transverse striation. Amblycerus ischiodontus has an area transversely striate on the metepisternum and an apical tooth on the ventral margin of the hind femur. The areas on the elytra and metepisternum probably act as a file and the striate area or the tooth of the hind femur as the scraper. The elytro-femoral method of stridulation is postulated for the first time in Bruchidae and is shared with Amblycerus cistelinus (Gyllenhal), A. jatayensis (Pic), A. sosia Ribeiro-Costa and Kingsolver, A. whiteheadi Kingsolver and A. guazumicola Kingsolver and Johnson. The other kind, involving the metepisternum and hind femur, has already been described for three other Amblycerus species: A. eustrophoides (Schaeffer), A. pollens (Sharp), and A. stridulator Kingsolver, Romero N., and Johnson. A key for the bruchid species with modified body areas probably involved in stridulation is presented.
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| dct:bibliographicCitation
| - Ribeiro-Costa, C. 1999. Description of two new species of Amblycerus Thunberg (Coleoptera: Bruchidae) with a probable stridulatory mechanism. <em>Proceedings of the Entomological Society of Washington</em>, 101(2): 337-346.
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