Manawataawhiorchestia, Myers & J.-P & Shepherd, 2025

MYERS, ALAN A., BALL, OLIVIER J. - P. & SHEPHERD, LARA D., 2025, A new landhopper, Manawataawhiorchestia uruone gen. nov., sp. nov. (Amphipoda: Talitroidea: Talitridae) from Manawatāwhi / Three Kings Islands, New Zealand, Zootaxa 5637 (2), pp. 363-373 : 365

Manawataawhiorchestia gen. nov.

Type species. Manawataawhiorchestia uruone sp. nov.

Included species. 1 species, Manawataawhiorchestia uruone sp. nov. by monotypy.

Diagnosis. Antenna 1 short, reaching to at least midpoint of peduncular article 5 of antenna 2; antenna 2 slender, short; gnathopods 1–2 sexually dimorphic; pereopod 4 amplidactylate; pereopods 5–7 cuspidactylate; pereopod 7 not sexually dimorphic; uropod 1 without distolateral robust seta; uropod 1 and uropod 2 endopodite with robust setae in two rows; uropod 3 ramus stout, shorter than peduncle; telson broad, distally rounded with distal and dorsal robust setae.

Etymology. Named after Manawatāwhi, the Māori name for the Three Kings Islands (and also the name for the largest island, Great Island) where the species is found, plus the stem Orchestia .

Remarks. The elongate and slender form of the carpus of the male gnathopod 2 is unique to this genus in males of world mascupod Talitridae .