no. 1834. NEW SPECIES OF STREPSIPTERA— PIERCE. 503 



convex throughout; spiracles laterally prominent; mandibles oblique, 

 quadrate with a large sharp tooth on the inner apical angle. 

 Type.— Cat. No. 13709, U.S.N.M. 



EUPATHOCERA VULGARIDIS, new species. 



Host. — Sphex (AmmopMla) vulgaris Cresson, Carlinville, Illinois. 

 Described from one female collected by Charles Robertson. 



Female. — Length of cephalothorax 0.91 mm., breadth at spiracles 

 0.99 mm., breadth of head 0.54 mm. Cephalothorax brown, with 

 basal area of disk lighter; widest just behind spiracles, which are 

 located one-third of the distance from the base, sides behind spiracles 

 almost parallel, but suddenly constricted at base, sides in front of 

 spiracles convex, apex truncate; spiracles laterally prominent; man- 

 dibles oblique, emarginate, with an acute tooth on the inner apical 

 angle. 



Type.— Cat. No. 13710, U.S.N.M. 



Genus OPHTHALMOCHLUS Pierce. 

 OPHTHALMOCHLUS AURIPEDIS, new species. 



Host. — Chlorion (Isodontia) auripes Fernald, Plummers Island, 

 Maryland. Described from one female collected July 10, 1910, by 

 J. C. Crawford. 



Female. — Length 1.55 mm., breadth 1.80 mm., breadth of head 1.44 

 mm., distance between mandibles 0.26 mm. Cephalothorax dark 

 brown, with posterior third of disk lighter; widest at spiracles; 

 obliquely widening from base to spiracles, thence convexly obliquely 

 narrowing to apex, outline of head sinuate; spiracles not reaching 

 margins; mandibles oblique, quadrate, truncate, but with a long 

 acute tooth projecting from the inner apical angle. 



Tpye.— Cat. No. 13711, U.S.N.M. 



Superfamily STICHOTREMATOIDEA Hofeneder, 1910&. 



This superfamily has been erected by Hofeneder because of the 

 extremely peculiar arrangement of the female genital pores, which 

 are arranged in three transverse series of twelve to fourteen each. 



Family STICHOTREMATID,E Hofeneder, 1910 h. 



Type genus. — SticJiotrema Hofeneder (1910 b). 

 Parasites of Locustidae. 



The male is unknown. The triungulinid is similar to those of the 

 preceding and following families. 



Genus STICHOTREMA Hofeneder (1910 6). 



Type of genus. — SticJiotrema dallatorreanum Hofeneder. 

 Name derived from orexog (row) + rpfj/ia (aperture), referring to 

 the arrangement of the genital pores in rows. 



