154 U. S. NATIONAL MUSEUM BULLETIN 216 



16. Genus Carria 



Figure 174,b 

 Carria Schmiedeknecht, 1924, Ent. Monthly Mag., vol. 60, p. 112. 

 Type: Carria paradoxa Schmiedeknecht; monobasic. 



Front wing 3.3 to 5.0 mm. long; body punctures rather small, 

 moderately dense; body shape rather strongly depressed; combined 

 face and clypeus very short, broad, and strongly convex in profile; 

 upper margin of face produced between bases of antennae as a very 

 short, broad point; frons without a median carina or process; temple 

 strongly convex; head in profile sloping obliquely from hind margin 

 of hind ocelli to the point usually occupied by occipital carina; occip- 

 ital carina entirely lacking; cheek about 0.5 as long as basal width of 

 mandible; mandible large, its upper tooth large and lower tooth very 

 short; labrum concealed under clypeus; flagellum short, filiform; 

 upper part of pronotum swollen, rounded off to the upper margin; 

 propleurum weakly convex; scutellum almost flat, without lateral 

 carina; areolet sub triangular, sessile above or stalked; nervulus post- 

 furcal by about 0.5 its length; nervellus not broken, inclivous; pre- 

 pectal carina complete, its dorsal end joining front end of subtegular 

 ridge; sternaulus absent; propodeum elongate, abruptly declivous at 

 apical transverse carina, most of its carinae present except that 

 costula is always absent and areola and median basal area are con- 

 fluent; propodeal spiracle subcircular; metapleurum polished, im- 

 punctate; legs short, stout; base of hind coxa extended behind its 

 socket as a prominent shoulder; second trochanter of front and 

 middle legs almost completely fused with its femur; front spur of 

 middle tibia a little longer than hind spur; tarsal claws apparently 

 simple; abdomen parallel-sided; first tergite moderately broad at 

 base, its lateral longitudinal carina strong and complete to its apex, 

 its median longitudinal carinae of variable development, usually 

 strong basally and fading out near apex; second tergite without dorsal 

 carinae; epipleura of first two tergites vestigial, of third and following 

 tergites moderately wide; female subgenital plate weakly sclerotized, 

 unspecialized. 



This genus includes only a species in England, a species in New 

 Zealand, and the two Nearctic species described below: 



Key to the Nearctic species of Carria 



1. Median dorsal carinae of first tergite extending to about middle of the tergite; 

 third lateral area of propodeum approximately vertical, its dorsal edge not 

 more posterior than its ventral edge; lower edge of mandible not margined 



(fig. 182, i) ; bod y less flattened 1. dreisbachi, new species 



Median dorsal carinae of first tergite extending almost or quite to its apex; 

 third lateral area of propodeum somewhat inflexed, so that its dorsal edge 

 is much more posterior than its ventral edge; lower edge of mandible mar- 

 gined (fig. 182, j) ; body more flattened 2. inculcata, new species 



