178 Eighteenth Report State Entomologist of Minnesota — 1920 



$. Length 5.7 mm. Head: width 1.08 mm., vertex .54 mm., length .63 

 mm.; facial angle practically a right angle, carina obsolete; collum black, 

 broadly exposed, separated from vertex by a deep groove ; lower face strongly 

 pubescent, juga less prominent than in sayi; testaceous to pale brownish, front 

 transversely marked with black each side of the median line, forming two arcs 

 which meet above at front margin of vertex ; a triangular mark each side of 

 vertex and one at base of tylus, geminate mark on basal half of tyUis, lorae 

 and bucculae, dark fuscous to black. Rostrum, length 2.11 mm., nearly at- 

 taining posterior margins of middle coxae, brownish to piceous, darker at 

 base and apex. 



Antennae: segment I. length .44 mm.; II, 1.74 mm., gradually enlarged 

 from base toward apex, attaining the thickness of segment I, dusky pubescent, 

 length of exserted hairs on basal half of segment equal to more than twice 

 greatest thickness of segment; III, .48 mm.; IV, .43 mm.; brownish black, 

 last two segments darker. 



FroHotum: length 1.25 mm., width at base 2.14 mm., anterior angles 1.05 

 mm., collar .8 mm. ; disk moderately convex, slightly sulcate and more coarsely 

 punctate each side of the calli on the lateral submargin, lateral margins dis- 

 tinct, nearly straight, anterior angles prominent, black punctate and distinctly 

 hairy; calli convex, a pair of punctures just between, scarcely distinguished 

 posteriorly from the disk except at latero-posterior angles, black, pale just 

 before but a black mark extending from lateral angles to front margin of 

 disk ; disk black, shining, broadly pale at lateral margins ; propleura pale to 

 brownish, black punctate, blackish dorsally surrounding the coxal cleft ; xyphus 

 slightly convex, infuscated, longly pale pubescent. ScutcUiim moderately con- 

 vex, pilose, black, the apex pale; mesoscutum black, moderately exposed. 

 Slerniun and pleura brownish black, basalar plate and margins of sclerites 

 yellowish brown ; ostiolar peritreme pale, becoming brownish or even blackish 

 at dorsal margin. 



Henielytra : width 2.65 mm., embolar margin moderately arcuate; disk mod- 

 erately convex, coarsely and rather uniformly punctate, clothed with prominent 

 pubescent hairs ; brownish black, shining, spot at base of corium and one next 

 to the cuneal fracture, and the basal half of the embolium, pale translucent. 

 Cujieus punctate, pubescent, colored like the corium. Membrane and veins 

 strongly infuscated, paler bordering apex of cuneus. 



Lecjs : brownish black, thickly clothed with prominent erect pale hairs ; 

 femora with an indistinct ])ale annulus just before apex; tibiae pale at the 



knee and a narrow annulus on 

 the basal half, becoming slightly 

 paler at apices ; claws and arolia 

 similar to those of sayi. 



renter: brownish black or pice- 

 ous, shining, yellowish pubescent ; 

 genital claspers (fig. 35) distinc- 

 tive of the species. 



FiK. 35. Deraeocorig comanchf, male geni- n T cn^fl, K -j^i ■> 



tal claspers. a, left clasper, lateral aspect; ^- ^^ngtn O mm., widtll 



b, internal arm of left clasper: c, right clasp- mm.; slightly larger and more 



er, lateral aspect. 



ovate than the male but very 

 similar in color; segment 11. length 1.6 mm., slightly more slender than in 



