Australian Journal of
Taxonomy
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Antichiropus aurarius Car & Harvey, sp. nov.
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ZooBank: ###

Material examined

Holotype

Australia: Western Australia: ♂, ca. 12 km E. of Kalgoorlie, 30°44ʹ06″S, 121°36ʹ04″E, 8 November–13 December 2018, R.J. Ellis (WAM T147518).

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Figure 1. Antichiropus aurarius Car & Harvey, sp. nov., holotype male (WAM T147518): A–B, habitus: A, lateral view; B, dorsal view; C–F, left gonopod: C, posterior view; D, anterior view; E, medial view; F, lateral view. Abbreviations: C, coxa; F, femorite; MFP, main femoral process; PF, prefemur; prof, prolongation of femorite; S, solenomere; sp1, solenomere process1. Scale bars: A = 4 mm; B = 1 mm; C–F = 0.5 mm

Diagnosis

Antichiropus aurarius is moderately similar to A. valliculus n. sp. (which paper) (Fig. #) inasmuch as both species have curved femorites but that of A. auriarius is of relatively constant thickness along its length, whereas that of A. valliculus thickens noticeably towards its apex where there are two femoral processes, lacking in A. aurarius.

Description

Male

Body: ca. 15 mm long, midbody ring ca. 1 mm wide, with shallow, smooth waist. Metazonite and prozonite of similar width but, in dorsal view, the prozonite is half the length of the metazonite. Paranota absent (Figs. 1A, B).

Colour (in alcohol):chestnut brown with broad, pale stripe down length of body overlaid by a thin, dark line down the middle of the pale stripe (Fig. 1A); leg colour pale brown.

Sternites: without obvious processes. Sternal lamella relatively broad.

Legs: coxal processes absent.

Anterior spiracles: at midbody, small, ovoid, flat.

Head: smooth, without noticeable sculpturing. Frons almost devoid of setae width 3 × distance between antennal sockets. Face narrow, maximum width ca. 3 × distance between antennal sockets

Antennae: of moderate length, reaching to ring 2, relatively slender. Antennal sockets separated by ca. 2 × width of socket.

Collum: ca. same length as head in lateral view (Fig. 1B).

Gonopod: short (Figs. 1C--F), reaching anterior edge of ring 6; coxa (C) shorter and more robust than femorite; prefemur (PF) much shorter than femorite, with pronounced lip; femorite (F) ca. ½ acropodite length, noticeably curved, forming a right angle with prefemur; main femoral process (MFP) short, curved and pointed; prolongation of the femorite (prof) absent; second femoral process1 (fp1) is a tiny process situated near the main femoral process; solenomere (S) relatively long, curling back on itself; of similar thickness for two-thirds of its length then narrowing abruptly to end in a flat, translucent tip; solenomere processes 1, 2 and 3 (sp1,sp2, sp3) occur as tiny points at the base of the solenomere (Fig. #) REDO?!?!

Female

Unknown.

Figure 1. Antichiropus aurarius Car & Harvey, sp. nov., holotype male (WAM T147518): A–B, habitus: A, lateral view; B, dorsal view; C–F, left gonopod: C, posterior view; D, anterior view; E, medial view; F, lateral view. Abbreviations: C, coxa; F, femorite; MFP, main femoral process; PF, prefemur; prof, prolongation of femorite; S, solenomere; sp1, solenomere process1. Scale bars: A = 4 mm; B = 1 mm; C–F = 0.5 mm

Cathy had written REDO after the gonopods.

Distribution

The only specimen of this species was found a few kilometres east of the town of Kalgoorlie.

Etymology

The specific epithet is a noun referring to the fact that the specimen was found near a gold-mining town (aurarius, Latin, gold).