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1 December 2005 On the Clone Type of Lepidodactylus lugubris (Duméril & Bibron, 1836) Corresponding to Gehyra variegata ogasawarasimae Okada, 1930 (Reptilia: Gekkonidae)
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Abstract

Gehyra veriegata ogasawarasimae was described in 1930 from Chichijima Island of the Ogasawara Group, Japan, and then was reported to have 2n=63 chromosomes in 1949. Subsequently this taxon was synonymized with Lepidodactylus lugubris, a parthenogenetic species complex consisting of a number of diploid-triploid clones distributed in tropical Pacific and Indian Ocean islands. The above chromosome number, as well as dorsal color pattern of an individual illustrated in a figure of its original description, suggests that the type of G. v. ogasawarasimae (lost) belonged to a triploid clone of L. lugubris. However, all L. lugubris recently collected from Chichijima Island and another island of the Ogasawara Group had only 2n=44 chromosomes and belonged to a diploid clone, so-called clone A. A survey of museum specimens of L. lugubris collected from Chichijima Island during 1960–1970s yielded three specimens showing dorsal pattern characteristic of a triploid clone, so-called clone C. These suggest that the triploid clone C previously occurred on Chichijima Island and was erroneously described as Gehyra variegata ogasawarasimae. This clone may have been displaced by the diploid clone A through interclonal competition after recent colonization of the latter to Chichijima and other Ogasawara islands.

SAIKO YAMASHIRO and HIDETOSHI OTA "On the Clone Type of Lepidodactylus lugubris (Duméril & Bibron, 1836) Corresponding to Gehyra variegata ogasawarasimae Okada, 1930 (Reptilia: Gekkonidae)," Current Herpetology 24(2), 95-98, (1 December 2005). https://doi.org/10.3105/1345-5834(2005)24[95:OTCTOL]2.0.CO;2
Accepted: 1 December 2005; Published: 1 December 2005
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