146 Eighteenth Report State Extomologist of Minnesota — 1920 



Deraeocoris schwarzii (Uhler) 



1893 Camptobrochis schivarzii Uhler, Proc. Ent. Soc. Wash., ii, p. 375. 



1909 Camptobrochis schwarzii Reuter, Acta Soc. Sci. Fenn., xxxvi, Ko. 2, p. 58. 



1917 Camptobrochys (Mycterocoris) schi^jarcii Van Duzee, Cat. Hemip.. p. 355. 



Ovate, convex, pale, the head, calli, and cerium marked with blackish, 

 the dark color on scutellum forming along the median line. 



i. Length 4.5 mm. Head: width 1.03 mm., vertex .52 mm., length .54 

 mm. ; front convex, carina not apparent but vertex is separated b}' a groove 

 from the black and broadly exposed collum, tylus prominent ; pale, spot each 

 side of vertex, transverse marks each side of front and terminating above 

 in a pair of large spots just in front of vertex, for a short space above base 

 of antenna next to inner margin of eye, geminate mark on tylus with spot 

 at base and transversel}^ at apex, dorsal and apical margins of lorae, small 

 spot on genae and juga, blackish. Rostrum, length 1.71 mm., scarcely attaining 

 posterior margins of middle coxae, pale to brownish, becoming piceous at apex. 



Antennae: segment I, length .Z7 mm., pale, becoming blackish on the ventral 

 side; II, 1.14 mm., gradually thickened from base toward apex, not attaining 

 the thickness of segment I, pale pubescent, length of exserted hairs exceeding 

 thickness of segment, pale to brownish, becoming fuscous toward apex ; IV, 

 missing. 



Pronotum: length 1.17 mm., width at base 1.97 mm., anterior angles 1 mm.; 

 collar .72 mm., pale, opaque ; disk convex, coarselj', rather irregularly and 

 closely black punctate, lateral margins slenderly carinate, nearl}^ straight, an- 

 terior angles rather broad but rounded ; calli ver}- slightly convex, black around 

 margins and with marks upon the disk of each, a black arc projecting forward 

 from the latero-anterior angles and with pale invading the disk each side of 

 it ; pale to ivory-white, somewhat shining ; coxal cleft somewhat darkened above ; 

 xyphus nearly flat, margins carinate bordering the coxal cavity, pale. Scu- 

 tellum convex and smooth, pale, becoming brownish along the median line ; 

 mesoscutum slightl}' exposed, brownish black. Sternum and pleura pale to 

 dark brownish, episterna becoming blackish first ; ostiolar peritreme pale, dorsal 

 margin somewhat invaded by blackish. 



Hemelytra: width 2.39 mm., convex, embolar margin slightly arcuate ; black 

 punctate but more finely than on pronotal disk, pale but not translucent, spot 

 at middle and somewhat at apex of corium pifeous. Cuneus pale, opaque, 

 finely black punctate, spot on inner margin at apex fuscous. Membrane clear, 

 veins pale fusco-brownish, sometimes slightly invading and staining the mem- 

 brane each side. 



Legs : pale, coxae w'ith a dark 



brownish to blackish spot at base ; 



femora biannulate with brownish 



C black on apical half, sometimes with 



^"^ — ^ fuscous spots on the basal half: 



tibiae biannulate with blackish on the 



5cnwarzii Uhl. basal half; tarsi fuscous at apex, 



„. ,„ „ . , ■• , claws brownish. 



Fig. 19. Deraeocoris schwarzii, male geni- 

 tal claspers. a, left clasper, lateral aspect: Venter: dark browmsh to piceous, 



b, internal arm of left clasper; c, right clasp- ... ^, , , • *• i * 



er, lateral aspect. shnimg, the pale color persistmg lat- 



