Leptochelia bulbus, comb. nov.
Creators: name: BAMBER, ROGER N
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Tanaidacea
Leptocheliidae
Leptochelia
Leptochelia bulbus

description: <i>Leptochelia bulbus</i> (Bamber, 2006) comb. nov. Fig. 1 <i>Pseudoleptochelia bulbus</i> Bamber, 2006, 16–20 (females only); figs 7–8. <i>Leptochelia</i> aff. <i>minuta</i> Bamber, 2006, 12–15; fig. 6. <b>Material:</b> one brooding female, holotype (MNHN.Ta899), on <i>Halimeda</i>, Lagon, Ilot Maitre, New Caledonia, 22º19.41′S 166º20.89′E, 20 m depth, 9/11/95; coll. Ichiro Takeuchi. One female, paratype (MNHN.Ta901 [part]), one female, dissected, two males (MNHN.Ta898), sample LF3 ‘83’, Baie de Santal, Loyalty Islands, 20º07.27′S 167º07.34′E, 12 m depth on red algae. <b>Remarks.</b> The male and female of this species were both described by Bamber (2006), albeit as different taxa. The elongate cheliped (Fig. 1E) and antennule of the male are typical of the “ <i>minuta</i> ”-group of <i>Leptochelia</i> (“ <i>Leptochelia</i> -Gruppe 1” of Lang, 1973). Bamber (ibid.) lists the distinctions of the male of this species from the other members of the “ <i>minuta</i> ”-group known at that time. Since then, Gu&amp;tcedil;u (2011) described his new species <i>L. helenae</i> from Indonesia, and Edgar (2012) described <i>L. evansi</i> and <i>L. gadgeti</i> as new species from Western Australia. The distinctions of the male <i>L. bulbus</i> cited by Bamber (2006) apply equally well to these three species. Remarkably, despite <i>L. minuta</i> being the type-species of the genus, the only females of the “ <i>minuta</i> ”-group to have been formally described are those of <i>L. helenae</i>, although there are some described species of <i>Leptochelia</i> known only from the females which may be found to belong to this group. Harger (1880) gave a cursory mention (and no figures) of females of his new species <i>L. rapax</i>, but the only useful datum was a uropod endopod of five segments (unlike the present species). Gu&amp;tcedil;u (2011) had both females and males of <i>L. helenae</i>; his females share with <i>L. bulbus</i> the presence of five distal setae on the maxilliped-basis, but differ in having a proportionately more slender proximal antennular-peduncle article, a naked proximal antennal article, more slender cheliped carpus, <i>inter alia</i>.
description: Published as part of <i>BAMBER, ROGER N, 2013, A re-assessment of Konarus Bamber, 2006 and sympatric leptocheliids from Australasia, and of Pseudoleptochelia Lang, 1973 (Crustacea: Peracarida: Tanaidacea), pp. 1-39 in Zootaxa 3694 (1)</i> on pages 8-9, DOI: 10.11646/zootaxa.3694.1.1
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