592 PROCEEDINGS OF THE NATIONAl, MUSEUM vol. 93 



gin by a space as great as length of a spiracle ; gaster only slightly 

 longer than thorax. 



Male.— Length, 1.0 mm. All four funicle segments equal in length, 

 semiquadrate, and without long bristles, club three-quarters as long 

 as funicle ; gaster and thorax equal in length. 



Type locality. — Morgantown, W. Va. 



Types.— U.S.N M. No. 41340. 



Hosts. — Larvae of clerid beetles, Cymatodera sp., Thanasimus 

 trifasciatus Say, Thanasimus spp. 



Distribution. — California, Montana, Pennsylvania, West Virginia. 



TETRASTICHUS VARICORNIS (Girault), new combination 



Figure 16, f 



E pi tetrastich us varicornis Giratilt, Descriptiones bymenopteroruni chalcidoidi- 

 carum variorum cum observationibus, pt. 3, p. 4, 1917. 



Body black; part of scape, antennal club, middle and hind trochan- 

 ters, bases and apices of femora and tibiae, and basal segments of 

 middle and hind tarsi white. 



Female. — Length, 1.8 mm. Antennal pedicel one-eighth longer 

 than first funicle segment; second four-fifths as long as first, third 

 three-fifths as long as first, each flagellar segment shorter and wider 

 than preceding one (fig. 16, /), club globose, as long as second and 

 third funicle segments combined. Mesopraescutum as long as wide 

 and bearing one row of bristles at each lateral margin ; submarginal 

 vein of forewing with five dorsal bristles; apex of hindwing blunt, 

 fringe at posterior margin one-fifth as wide as wing at hamuli. 

 Surface of propodeum lightly shagreened ; mesal length of propodeum 

 slightly greater than that of postscutellum, and one-fourth as great 

 as length of mesoscutellum ; propodeal spiracles small, almost con- 

 tiguous with anterior margin ; gaster as long as thorax. 



Male. — Unknown. 



Type locality. — Glenn Dale, Md. 



Type. — U.S.N.M. No. 20858. (Specimen in poor condition.) 



Host. — Unknown. 



Distribution. — Maryland. 



Remarks. — Only known from the unique type specimen ; additional 

 material may greatly alter the conception of this species. 



TETRASTICHUS NEUROTERI (Ashmead), new combination 



Hyperteles neuroteri Ashmead, Trans. Amer. Ent. Soc, vol. 14, p. 203, 1887. 



Dull brown or black, noniridescent ; apices of coxae, trochanters, 

 bases and apices of femora and tibiae, and basal segments of tarsi 

 light yellow or white. 



