insularis, Stegastes Allen [G. R.] & Emery [A. R.] 1985:19, Pl. 2 (figs. F, G) [Indo-Pacific Fishes No. 3; ref. 5236] Off Ethel Beach, Christmas Island, eastern Indian Ocean, depth 3-6 meters. Holotype: WAM P.26083-044. Paratypes: AMS I.22798-001 (1); BMNH 1982.3.12.6 (1); BPBM 7114-16 (10, 7, 9); MNHN 1982-0125 (1); ROM 39311 (5); SMF 17586 (1); USNM 231752 (1); WAM P.10868 (1), P.10873 (1), P.26083-002 (6), P.26088-005 (4), P.26093-006 (1), P.26110-010 (4), P.26120-006 (1). Type catalog: Hutchins & Smith 1991:31 [ref. 19335], Moore et al. 2008:35 [ref. 30117]. •Valid as Stegastes insularis Allen & Emery 1985 -- (Allen 1991:253 [ref. 19344], Allen 2000:90 [ref. 37268], Allen in Randall & Lim 2000:627 [ref. 25122], Allen 2001:3345 [ref. 26132], Allen & Erdmann 2012:628 [ref. 31980], Nishiyama et al. 2012:156 [ref. 32411], Fricke et al. 2015:8 [ref. 33930], Fujiwara et al. 2020:36 [ref. 38631], Parenti 2021:83 [ref. 38418]). •Valid as Plectroglyphidodon insularis (Allen & Emery 1985) -- (Tang et al. 2021:286 [ref. 38308], Abe et al. 2024:7 [ref. 41435], Allen & Erdmann 2024:618 [ref. 40796]). Current status: Valid as Plectroglyphidodon insularis (Allen & Emery 1985). Pomacentridae: Microspathodontinae. Distribution: Eastern Indian Ocean, western Pacific: Christmas Island (Indian Ocean); Marcus Island (northwestern Pacific), Japan and Taiwan south to New Caledonia. Habitat: marine.