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Title	Taxonomic study of the genus Augustinus Korotyaev from Japan (Coleoptera, Curculionidae, Ceutorhynchinae).

Book/Journal	Esakia

Author	Hiraku Yoshitake

Edition		Volume		Number	(45)	Page	155-178

Publisher	The Entomological Laboratory, Faculty of Agriculture, Kyushu University
Publisher	The Entomological Laboratory, Faculty of Agriculture, Kyushu University

Year	2005	Month	3

ISBN		ISSN	0071-1268

URL

Remarks	A new species of the genus Augustinus Korotyaev, 1981 (Cnemogonini, Ceutorhynchinae) was described. Five Japanese species including the new species were studied taxonomically and classified into the following three species groups: the longipes-group contains Augustinus longipes (Korotyaev, 1981) and A. comes sp. nov., and is characterized mainly by the sinuate and edentate mid femora, a median expansion on the internal margins of the mid and hind tibiae, and the ventrally prominent metasternal receptacle; the bouvieri-group consisting of Augustinus bouvieri (Hustache, 1916) and A. similis (Chujo, 1959) is similar to the longipes-group in having the robust rostrum with a median slit and the smooth prominences on the pronotum, but differs from it in having the clavate and dentate mid femora, the smooth internal margins of the mid and hind tibiae, and the flat metasternum; the sasakii-group consists of A. sasakii (Chujo, 1959) and is clearly different from the other two groups in possessing the slenderer rostrum with a median ridge and the denticulate prominences on pronotum. A key to the Japanese species was provided, in addition to habitus photographs and line drawings of important features for each species with the exception of A. sasakii, as well as biological notes on the three species that are associated with Leucosceptrum (Lamiaceae). The type locality of A. comes was noted as "Sakanotani, Mt. Hyounosen, Tottori" by mistake, but actually Sakanotani is located in Hyogo Prefecture.

Remarks

A new species of the genus Augustinus Korotyaev, 1981 (Cnemogonini, Ceutorhynchinae) was described. Five Japanese species including the new species were studied taxonomically and classified into the following three species groups: the longipes-group contains Augustinus longipes (Korotyaev, 1981) and A. comes sp. nov., and is characterized mainly by the sinuate and edentate mid femora, a median expansion on the internal margins of the mid and hind tibiae, and the ventrally prominent metasternal receptacle; the bouvieri-group consisting of Augustinus bouvieri (Hustache, 1916) and A. similis (Chujo, 1959) is similar to the longipes-group in having the robust rostrum with a median slit and the smooth prominences on the pronotum, but differs from it in having the clavate and dentate mid femora, the smooth internal margins of the mid and hind tibiae, and the flat metasternum; the sasakii-group consists of A. sasakii (Chujo, 1959) and is clearly different from the other two groups in possessing the slenderer rostrum with a median ridge and the denticulate prominences on pronotum. A key to the Japanese species was provided, in addition to habitus photographs and line drawings of important features for each species with the exception of A. sasakii, as well as biological notes on the three species that are associated with Leucosceptrum (Lamiaceae). The type locality of A. comes was noted as "Sakanotani, Mt. Hyounosen, Tottori" by mistake, but actually Sakanotani is located in Hyogo Prefecture.