Torbenella insolita ( Macpherson, 2004 )

Macpherson, Enrique, Rodríguez-Flores, Paula C. & Machordom, Annie, 2023, Integrative approach to describe new species of squat lobsters of the genera Heteronida Baba & de Saint Laurent, 1996 and Torbenella Baba, 2008 (Decapoda, Munididae) from the Southwestern Pacific Ocean, European Journal of Taxonomy 860 (1), pp. 116-140 : 129

Torbenella insolita ( Macpherson, 2004)

Fig. 6B

Agononida insolita Macpherson, 2004: 242 , fig. 2.

Torbenia insolita – Baba 2005: 308.

Torbenella insolita – Baba 2008: 1021. — Baba et al. 2008: 181. — Macpherson et al. 2020: 91.

Diagnosis

Carapace with gastric region with 2 epigastric spines behind supraocular spines, and several minute spines on each side; parahepatic, anterobranchial and postcervical spines present on each side. Anterolateral spine strong, at anterolateral angle, nearly reaching level of sinus between rostrum and supraocular spines. Rostrum spiniform, less than half as long as remaining carapace, slightly carinated dorsally, straight, and slightly upwardly directed. Supraocular spines overreaching midlength of rostrum and not overreaching end of corneas, parallel, directed slightly upwards. Abdominal somites 2–4 with 2 median spines on anterior ridge; posterior ridge of abdominal somite 4 unarmed. Thoracic sternite 3 wide, about 3 times as wide as long. Antennal article 1 with unusually prolonged mesial process, exceeding antennular peduncle, article 2 with distomesial spine strong, overreaching midlength of article 4; article 3 with small distolateral spine; article 4 unarmed. P1–4 moderately long and slender; P2–4 dactyli with extensor margin slightly convex, slightly curving distally, each with 3–6 movable spinules along entire or proximal two-thirds of flexor margin.

Material examined

NEW CALEDONIA • 3 ♂♂ (5.8–9.5 mm), 5 ov. ♀♀ (7.2–8.1 mm), 1 ov. ♀ (7.5 mm); EXBODI stn CP3927; 18°36′ S, 164°20′ E; 381 m depth; 26 Sep. 2011; GenBank no.: COI: OP215689 , 16S: OP196028 , 18S: OP196287 , PEPCK: OP252563 ; MNHN-IU-2011-6942 , MNHN-IU-2014-13981 , MNHN-IU-2013-1857 • 1 ♀ (4.1 mm); Chesterfield Islands , KANADEEP stn DW5015; 21º14′ S, 159º13′ E; 210–470 m depth; 20 Sep. 2017; MNHN-IU-2017-2755 .

Description

COLOUR. Body and appendages whitish. Carapace with some yellowish bands on gastric area and posterior and lateral margins. Orange stripes on distal part of P1 palm, carpus and merus, and P2–4 propodi.

Distribution

Previously known from New Caledonia, Papua-New Guinea and Tonga, at depths of 120– 386 m. The present material was caught in New Caledonia and Chesterfield Islands at depths of 210– 470 m.

Figures

Fig. 6. Dorsal view. Colours in life. A. Heteronida ceres sp. nov., holotype, ♂, CL = 3.5 mm, New Caledonia, EXBODI, stn CP3927. B. Torbenella insolita (Macpherson, 2004), ov. ♀, CL = 7.2 mm, New Caledonia. EXBODI, stn CP3927.