Abstract

A new species, Cherax (Astaconephrops) pulcher sp. n., from Hoa Creek, close to the village Teminabuan in the southern-central part of the Kepala Burung (Vogelkop) Peninsula, West Papua, Indonesia, is described, figured and compared with the morphologically closest species, Cherax boesemani Lukhaup & Pekny, 2008.

Highlights

  • The crayfishes of the island of New Guinea were extensively studied by Holthuis (1949, 1956, 1958, 1982, 1986, 1996), with recent additions by Lukhaup and Pekny (2006, 2008a) and Lukhaup and Herbert (2008)

  • The presence of a decalcified area on the lower margin of the chelae of the first pereiopods in adult males shows that the new species belongs to the subgenus Astaconephrops

  • With the current description of the new species of Cherax from the Teminabuan Region, Kepala Burung, West Papua, Indonesia, 19 species of Cherax are known from Indonesia (Lukhaup and Pekny 2008b)

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Summary

Introduction

The crayfishes of the island of New Guinea were extensively studied by Holthuis (1949, 1956, 1958, 1982, 1986, 1996), with recent additions by Lukhaup and Pekny (2006, 2008a) and Lukhaup and Herbert (2008). Few scattered setae present at the tip of the rostrum ; lateral margins of rostrum almost straight in basal part, distally rather strongly tapering towards apex. Cherax (Astaconephrops) pulcher, a new species of freshwater crayfish... Scaphocerite (Fig. 3B) broadest at midlength, convex in distal part becoming narrower in basal part; thickened lateral margin terminating in large corneous spine.

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