Hoho wittecarra HUGHES, 2011, sp. nov.
Creators: name: HUGHES, L. E.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Amphipoda
Maeridae
Hoho
Hoho wittecarra

description: <i>Hoho wittecarra</i> sp. nov. (Figs 19, 20) <b>Type material.</b> Holotype: male, 6.8 mm, dissected, 3 slides, AM P.79375. Paratypes: 4 males, 10 females, AM P.79396, Red Bluff, Kalbarri, Western Australia (27°42'S 114°09'E), 3–4 m, rocky shore, mixed algae, sediment, 10 January 1984, coll. R. T. Springthorpe (WA 474). <b>Type locality.</b> Red Bluff, Kalbarri, Western Australia (27°42'S 114°09'E). <b>Etymology.</b> Named from Wittecarra Creek near Red Bluff, the type locality. <b>Description</b>. Based on holotype, male, 6.8 mm, AM P.79375. <b>Head.</b> Eyes ovate; lateral cephalic lobe broad, truncated, anteroventral margin with notch/slit. <i>Antenna 1</i> longer than antenna 2; peduncular article 1 shorter than article 2, <b>with 2 robust setae along posterior margin</b>; article 2 longer than article 3; flagellum articles as long as broad; flagellum with 19 articles; <b>accessory flagellum minute, with 3 articles</b>. <i>Antenna 2</i> peduncular article 2 cone gland reaching at least to end of peduncular article 3; article 4 longer than article 5; flagellum with 7 articles. <i>Lower lip</i> outer lobes with two pair of ducts, mandibular lobes apically subacute. <i>Mandible</i> accessory setal row, well developed with 3 setae; molar well developed, triturative; mandibular palp reduced, 1-articulate; article 1 at least 3.5 times as long as broad. <b>Pereon.</b> <i>Gnathopod 1</i> coxa anterior margin straight, anteroventral corner produced, rounded; carpus about twice as long as broad, subequal in length to propodus; propodus medial surface with comb, palm acute, convex, entire, defined by posterodistal corner, with 4 robust setae. <i>Gnathopod 2</i> subchelate; basis broad, anterodistal corner subquadrate; merus with rounded distoventral corner; carpus compressed, lobate, projecting between merus and propodus; <b>propodus</b> massive, with sparse setal bunches along posterior margin, <b>palm</b> straight, <b>sculptured</b>, about half length of propodus, subquadrate distomedial shelf, <b>with 4 robust setae on shelf, palmar margin with 5 subacute teeth</b>, <b>palm defined by posteroventral tooth</b>, without posterodistal robust setae, <b>subpalmar surface with ridge</b>; <b>dactylus with posteroproximal shelf</b>, apically subacute, closing along palm. <i>Pereopod 4</i> coxa posteroventral lobe well developed, with rounded posteromedial corner. <i>Pereopods 5–7</i> basis slightly expanded, posterior margin minutely castelloserrate, without long slender setae; merus and carpus not broadened; carpus and propodus without long, slender setae along posterior margin; propodus not expanded posterodistally; dactylar ungues simple. <b> <i>Pereopods 5–6</i> basis posterior margin straight</b> , posteroventral corner broadly rounded. <i>Pereopod 7</i> basis posterior margin convex, posteroventral corner broadly rounded. <i>Pereonite 7</i> without carina. <b>Pleon. <i>Pleonites 1–2</i> bicarinte.</b> <i>Pleonite 3</i> without carina. <i>Epimera 1–2</i> posteroventral corner with small acute tooth. <i>Epimeron 3</i> ventral margin smooth, posteroventral margin smooth, posteroventral corner with small acute tooth. <i>Urosomite 1</i> bicarinate, subtriangular. <i>Urosomites 2–3</i> without carina. <i>Uropod 1</i> peduncle with 1 basofacial seta; outer ramus slightly shorter than inner ramus. <i>Uropod 2</i> outer ramus slightly shorter than inner ramus. <i>Uropod 3</i> rami distally truncated, apical robust setae long; inner ramus long (length twice the breadth), subequal in length to outer ramus; outer ramus longer than peduncle. <i>Telson</i> deeply cleft, broader than long, tapering distally, with short inner and long outer apical cusps, apical conical extension reaching at least halfway along longest seta, each lobe with 2 long and 2 short apical robust setae. <b>Remarks.</b> See remarks for <i>H. tricarinata</i> <b>sp. nov</b>. <b>Distribution.</b> <i>Australia</i>. Western Australia: Kalbarri (current study).
description: Published as part of <i>HUGHES, L. E., 2011, New species of Hoho, Mallacoota and Parelasmopus (Maeridae: Amphipoda) from Australian waters, pp. 1-79 in Zootaxa 2955 (1)</i> on pages 29-32, DOI: 10.11646/zootaxa.2955.1.1