Deraeocoris (Heteroptera, Miridae) 



139 



querc/co/a , 



Fig. 15. Deraeocoris qucrcicola, male Kenital 

 claspers. a, left clasper, lateral aspect ; b, in- 

 ternal arm of left clasper ; c, right clasper, lateral 

 aspect. 



gins slightly sinuate ; brownish black to piceons, darkest at middle and on outer 

 apical half of corium ; embolium except apically, spot at base and inner apical 

 angles of corium, and clavus largely, pale brownish , translucent. Cnncus pale 

 translucent, punctures black, apex broadly blackish. Membrane pale to fumate, 

 slightly paler bordering tip of cuneus, veins brownish to fuscous, the dark 

 color invading the membrane slightly at each side. 



Legs: pale, hind femora with two blackish marks on the dorsal surface 

 near apices; tibiae devoid of infuscations ; tarsi infuscated at tips, claws and 

 arolia typical of the group. 



Venter: brownish black, shining, 

 pale pubescent ; genital claspers 

 (fig. 15) distinctive of the species. 

 9. Length 5.8 mm., width 2.82 

 mm., very similar to the male but 

 sliglitl}' more robust, usually paler 

 in color ; calli black, disk of pro- 

 notum usually more brownish than 

 ilackish ; scutellum sometimes only 

 brownish but typically with a 

 blackish vitta each side of median 

 line ; corium dark brownish to 

 piceous on the middle and outer apical area; segment II, length 1.57 mm., slender, 

 gradually thickened toward apex, pale or yellowish, becoming brownish at apex ; 

 femora frequently with only a brown mark on apical half. 



Holotypc: S July 16. Conesti,s Lake. New York (H. H. Knight) ; 

 author's collection. .-^//o/A'/'r : same data as the type. Paratypcs: 8(^ 

 5$, taken with the types on Oucrcus alba. COLORADO, — S June 30, 

 Fort Collins; 9 July 19, Colorado Springs (E. D. Ball). CONNECTI- 

 CUT,— 25 July 8, New Haven. £ July. Ea.st River (C. R. Ely). 

 DISTRICT OF COLUMBIA,— 9 June 22, Washington (Wm. T. 

 Davis). 9 July 2, Washington ( O. Heideniann). GEORGIA,— 1 (5 

 19 Clayton, alt. 3,000 ft. (Wm. T. Davis). ILLINOIS,— 5 June 3. 

 9 June 8. 9 July 9, Chicago ; <? June 19, Glen Ellyn ; S June 24, Wil- 

 low Springs (W. J. Gerhard). $ June 12, S June 15, Champaign 

 (C. A. Hart). 9 July 6, Elizabeth (J. R. Malloch). INDIANA,— 

 9 June 9. Harrison County (H. F. Dietz). KANSAS,— <5 June, Law- 

 rence (E. S. Tucker). MASSACHUSETTS,— 5 June 30, Arlington 

 (G. W. Barber). 9 June 26. Newton. <5 July 16, Beach BluiT. 9 July 28, 

 Pigeon Cove (C. E. Olsen). $ July 18, Beach Bluff (H. M. Parsh- 

 ley). MICHIGAN,— 39, "Mich." (Uhler collection). MINNESOTA, 

 — (5 9 June 29, Twin Lake, Martin County (H. H. Knight). NEW 

 JERSEY,— 9 July 25. Bear Swamp, Ramapo Mts. (Wm. T. Davis). 

 9 July 4, Hopatcong; 9 July 20, 79 July 25, 9 July 27, Bear Swamp, 

 Ramapo Mts. (H. G. Barber). NEW YORK,— 1 <? 1$ July 4, 2c? 

 July 5, Batavia; 2S July 4, Four Mile; $ June 21, SS 29 June 27, 



