Chevreux, 1908
Length about 5-10 mm (Eusirella elegans 1). ANT II with 8-12 flagellar ART in adults. CX I broadened distally, anterodistal corner projecting anteriorly. ART 6 of P I and II wider than ART 5. ART 6 of P II 1.5-2 times as long as ART 5. Distal part of anterior margin of P I and II convex. ART 6 almost equal in P I and P II. Palmar margin of P I and II with spines and setae.