Latigammaropsis hermes Myers 2009, sp. nov.
Creators: name: Myers, Alan A.
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Amphipoda
Photidae
Latigammaropsis
Latigammaropsis hermes

description: <i>Latigammaropsis hermes</i> sp. nov. (Figs 9, 10) <b>Type material.</b> Holotype, male, 2.5 mm, AM P71531, Yonge Reef, Half Mile Opening (14°34’19”S 145°36’51”E), <i>Halimeda opuntia</i> (green coralline alga), 10 m, I. Takeuchi, R. T. Springthorpe &amp; O. Coleman, 5 March 2005 (QLD 1823). Paratypes: 13 unsexed, AM P75463, same data as holotype. <b>Additional material examined.</b> 1 male, 4 females, AM P70635 (QLD 1621); 1 male, 1 female, AM P71318 (QLD 1781); 2 males, AM P71340 (QLD 1804). <b>Type locality.</b> Yonge Reef, Lizard island, Queensland, Australia (14°34’19”S 145°36’51”E). <b>Etymology.</b> Greek mythology: <i>Hermes</i>, messenger of the Gods <b>Description.</b> Based on holotype, male, 2.5 mm, AM P71531. <b>Head.</b> <i>Head</i> anteroventral margin strongly recessed, extending behind posterior margin of eye; eye lageniform, small, distinctly less than one quarter head length, eyes partially situated within the lateral lobe of the head; lateral cephalic lobes rounded. <i>Mandible palp</i> article 3 distinctly shorter than article 2, spatulate, widest subdistally. <i>Antenna 1</i> peduncular article 1 subequal with article 3; flagellum with 10 articles; accessory flagellum distinct and multiarticulate. <i>Antenna 2</i> long, more than half body length, flagellum distinctly longer than peduncular article 5, with 6 articles. <b>Pereon.</b> <i>Coxae 1–2</i> without spines on distal margin. <i>Gnathopod 1</i> of distinctly different size from gnathopod 2; carpus anterior margin with fine setae only, subequal to propodus; propodus twice as long as wide, posterodistal margin evenly rounded. <i>Gnathopod 2</i> basis anterior margin with few setae; carpus with distinct free posterior expansion; propodus very long, more than 2.5 x as long as carpus, posterodistal margin with robust seta and with multiple excavations; dactylus short, half length of propodus. <i>Pereopod 3</i> merus with short or few long setae on anterior margin. <i>Pereopod 5</i> basis with few setae, slightly expanded, distinctly longer than broad. <b>Pleon.</b> <i>Urosomites 1–2</i> without dorsolateral spines. <i>Epimeron 3</i> posterodistal margin with small spine and notch. <i>Uropod 1</i> peduncle with long distoventral spine; rami distinctly unequal in length. <i>Uropod 2</i> peduncle without distoventral spine; rami distinctly unequal in length. <i>Uropod 3</i> peduncle subequal to the longest ramus; both rami well developed; outer ramus with terminal robust seta. <i>Telson</i> with terminal robust seta on each side. <b>Female</b> (sexually dimorphic characters). Based on female, 2.4 mm, AM P70635. <i>Gnathopod 2</i> carpus without distinct free posterior expansion; propodus less than 2.5 x as long as carpus, posterodistal margin with robust seta, with no excavations; dactylus long, distinctly longer than half length of propodus. <b>Habitat.</b> Among sponges, <i>Halimeda</i> and coral rubble. <b>Remarks</b>. <i>Latigammaropsis hermes</i> <b>sp. nov</b>. is very similar to <i>L. dionysus</i> <b>sp. nov</b>. but has a reniform eye and longer antenna 2. The male gnathopod 1 is also more slender than in <i>L. dionysus</i> <b>sp. nov.</b> <b>Distribution.</b> <i>Australia</i>. Queensland: Lizard Island (current study).
description: Published as part of <i>Myers, Alan A., 2009, Photidae *, pp. 771-799 in Zootaxa 2260 (1)</i> on pages 783-785, DOI: 10.11646/zootaxa.2260.1.43, http://zenodo.org/record/5306907