Smicridea (Rhyacophylax) ephippifer Flint 1978

Described from Brazil and previously reported from French Guiana (Maroni near Saint-Laurent [Oláh & Johanson 2012]), this species apparently inhabits large rivers.

Examined material. FRENCH GUIANA— 1 male (on slide), Comté River near Cacao, 4°33’7.38’’N, 52°29’52.88’’W, 19 m a.s.l., 21.ix.2010, F.-M. Gibon & B. de Mérona leg. (CBGP); 7 males (1 on slide, 6 in alcohol), Sinnamary River near Saut Dalles, 4°24’17.17’’N, 52°53’36.10’’W, 78 m a.s.l., 3.xi.2009, B. de Mérona leg. (CBGP) .