日本産普通多足類の後胚発生XXIV. : トゲイシムカデ(Henicopidae)の1新種
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A new species of the Chilopodan subfamily Anopsobiinae is described from Japan. The discovery of the new species would seem to have little zoogeographic importance. Anopsobius japonicus, sp. nov. Easily distinguished from other members of the genus by the character of the coxal pores, which are situated on the last four pairs of legs, and by the number of joints of antennae. Both characters coxal pores and antennae closely related those of A. (Anopsobiella) dawydoffi ATT., but differs from A. dawydoffi in that the coxa of the last pair of legs with long lobate process and the legs are not modified. Color pale yellowish brown. Length about 5mm. Antennae are 18-jointed, the joints densely covered with hairs; the basal joints rather large and the last joint as long as the two preceding joints together. Headplate is narrowed forward, slightly bordered on the posterior sides and with dispersed long hairs. No eyes. Toothed margin of toxicognaths slightly convex, 3+3 very small teeth, the median notch shallow. The tarsus and ungulum are fused, but clealy distinguishable. The pleurites of the toxicognath segments are connected on the ventral side with a band. The sides of the labrum are smooth. The first segment of the telopodit of the 1. maxillae not fused with the coxa. Posterior angles of all tergites rounded, with sparse long hairs. Stigmata present on segments 3, 5, 8, 10, 12 and 14. Tibiae of pairs of legs 1 to 11 with small toooth-like process distally on the outer side. Tarsi of the first twelve paris of legs one-jointed, and last three pairs of legs two-jointed. Praefemur and trochanter of the anal legs with one strong spine on each under side, in additionaly praefemur of legs 12 to 15 with one small spine as in Lithobiidae. Legs are slender; with dispersed hairs, the ratio of length 13 to 15 is 10:13:22. Claws of legs 1.-14. are long with two accessory claws. Coxae of the last pair of legs produced distally into a spinous process as in other members of the subfamily. Coxal pores present on the last four legs, small and circular, arranged 1, 2, 2, 2 or 2, 2, 2, 2. Gonopods of male and female, as shown in figures, have general structure. Holotype: 1♂ (Length 5.5mm), Paratype: 1♀ (Length 5.0mm). Other specimens 3♂, 2♀. Type locality: Sakuragi, Tanbara-cho, Ehime Pref. 1♂, 1♀, Nov. 23, 1964. 3♂, 2♀, Nov. 1965 through Mar. 1966. All the types and specimens collected by the author and preserved in the author's collection.
- 社団法人日本動物学会の論文
- 1967-01-15
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