Eremitione, Williams & Boyko & Madad, 2019

Williams, Jason D., Boyko, Christopher B. & Madad, Asma Z., 2019, Branchial parasitic isopods (Crustacea: Isopoda: Bopyridae: Pseudioninae) of hermit crabs (Crustacea: Decapoda: Diogenidae) from the western Pacific, with descriptions of a new genus and three new species, Raffles Bulletin of Zoology 67, pp. 83-118 : 110

Key to species of Eremitione , new genus, based on females

[ E. brandoi (Brian & Darteville, 1941) not included because only juvenile female described]

1. Oostegites 2–4 and at least first pairs of pleopods tuberculate ............. E. tuberculata ( Richardson, 1904) , new combination

– Oostegites and pleopods smooth ............................................2

2. Oostegite 1 posterior lobe recurved........................................3

– Oostegite 1 posterior lobe triangular ......................................6

3. Pleopods extending well beyond lateral plates ........................ ......... E. nobilii (Nierstrasz & Brender à Brandis, 1923), new combination

– Pleopods not or scarcely extending beyond lateral plates .....4

4. Lateral lobes of barbula overlapping at medial region............ ........................... E. giardi ( Calman, 1898) , new combination

– Lateral lobes of barbula not overlapping at medial region....5

5. Body with pronounced S-shape................................................ E. clibanaricola ( Shiino, 1933) , new combination

– Body weakly S-shaped .............................................................. .. E. hyndmanni (Bate & Westwood, 1867) , new combination

6. Oostegite 1 posterior lobe longer than anterior lobe ............... ........................ E. biacuta (Bourdon, 1979) , new combination

– Oostegite 1 posterior lobe shorter than anterior lobe ............7

7. Lateral plates of pleomere five overlapping much of uropods; maxilliped palp slender, extended ............................................ ........................... E. calcinii ( Shiino, 1958) , new combination

– Lateral plates of pleomere five not overlapping much of uropods; maxilliped palp stout, not extended........................................... E. quasimodo ( Boyko & Williams, 2004) , new combination