Der.\eocoris ( Heteroptera, Miridae) 



141 



$. Length 5.3 mm. Head: width 1.01 mm., vertex .43 mm., length .54 

 mm. ; brown and marked with brownish black, dark markings similar to those 

 of quercicola except that the blackish color each side of front is not broken 

 into transverse bars. Rostrum, length 1.92 mm., nearly attaining the posterior 

 margins of middle coxae, yellowish brown, darker at apex. 



Antennae : segment I, length .45 mm., yellowish, darker on ventral side of 

 basal half; II, 1.37 mm., equal in thickness to segment I, slender at base, taper- 

 ing slightly at apex, pale pubescent, length of exserted hairs exceeding thick- 

 ness of segment, yellowish, becoming brown on the middle one-third; III, .54 

 mm., yellowish, fuscous toward apex; IV, .43 mm., fuscous. 



Pronotum: length 1.22 mm., width at base 2.11 mm., anterior angles .94 

 mm., collar .7?) mm., brownish black, opaque ; disk closely punctate, more 

 coarsely behind the calli, lateral margins slenderly carinate, nearly straight, 

 anterior angles gently rounded ; uniformly brownish black, calli and anterior 

 portion slightly darker, slender basal margin slightly pale ; propleura with 

 ventral and posterior margins paler, xyphus yellowish. Scutellum convex, 

 smooth and shining, deep brownish black, small spot at tip and narrowly at 

 basal angles, yellowish brown. Sternum dark brownish to blackish, paler at the 

 median line ; ostiolar peritreme pale to yellowish. 



Honclytra : width 2.51 mm., structurally as in jiitcuatus; brownish black, 

 basal half of embolium and a small spot near base of corium brownish trans- 

 luscent. CiDiciis dark brownish, brownish translucent across the middle. Mem- 

 brane nearly as in nitcnatus, the apical half sometimes very faintly and uni- 

 formly stained with brownish, 

 veins and areoles darkened with 

 brownish. 



Legs : pale or yellowish, the hind 

 femora marked on the apical half 

 with an incomplete band as in 

 nitcnatus; tarsi slightly brownish 

 at apices. 



Venter: brownish black to 

 piceous, pale yellowish pubescent; 

 genital claspers (fig. 16) very dis- 

 tinctive of the species. 



\/J3/ 



Fig. 16. Deraeocoris davisi, male genital clasp- 

 ers. a, left clasper, lateral aspect ; b, internal 

 arm of left clasper ; c, right clasper, lateral as- 

 pect. 



Holotypc: $ June 22, Staten Island, New York (Wm. T. Davis) ; 

 author's collection. Paratypcs: $ June 18, S June 22. S June 23, 

 Staten Island, New York (Wm. T. Davis). S May H, Spring Hill. 

 Alabama (H. P. Loding). 



Deraeocoris nitcnatus new name 



1909 Camptobrochis (Eiiarmosus) nit ens Renter, Acta Soc. Sci. Fenn., xxxvi. 



No. 2, p. 56. (name preoccupied) 



1910 Camptobrochis nitens Banks, Cat. Nearc. Hem. Het., p. 43. 



1916 Camptobroehis grandis var. nitens Van Duzee, Check List Hemip., p. 41. 



