Key to Males of Eurygarka 1. Apices of gonostyli curved approximately 45° medially (Fig. 4) .............................. E. cyphostylus n.sp. - Apices of gonostyli tapered, not curved (Figs. 8–9).................................................................................2 2(1). Gonostyli swollen dorsobasally, with a patch of setiform sensilla dorsally (Fig. 8); eye bridge narrowly divided (Fig. 7) ................................................................................................................. E. helicis (Dyar) - Gonostyli not swollen dorsobasally, with few elongate setiform sensilla dorsally (Fig. 9); eye bridge contiguous (as in Fig. 1) ..................................................................................................... E. nelderi n.sp.

Published as part of Curler, Gregory R. & Moulton, John K., 2008, A review of the Nearctic species of the genus Eurygarka Quate (Diptera: Psychodidae), pp. 28-36 in Zootaxa 1740 on page 29, DOI: 10.5281/zenodo.181477