Deraeocoris (Heteroptera, Miridae) 113 



SciitclliDii punctate, more coarsely and rugose-punctate on the Imsal half; black, 

 the basal angles and apex ivory-white, mesoscutum black. Stcniuin and pleura 

 black, opaque, the posterior and ventral margins of the epimera sometimes 

 slenderly pale, ostiolar peritreme white. 



Hc.mclytra : width 1.98 mm., brownish testaceous, strongly translucent, punc- 

 tures black; spot at base, irregularly at middle and the apical area of corium, 

 apex and slender lateral edge of embolium, bordering the commissure, black. 

 Cimcus black, more or less pale at base, punctures black. Membrane fuscous 

 on apical half, paler within the larger areoles and iinmediately distad of tlie 

 brachium, brachium infuscated, the dark color invading the membrane slightly. 

 Legs: black, shining, tips of coxae and bases of trochanters pale, femora 

 pale only at the apices ; tarsi black, claws f usco-translucent, slender and not 

 distinctly cleft; arolia very slender, bristle-like, erect and subparallel, con- 

 verging slightly at apices (fig. 2, A). 



Venter: black, shining, pale pubescent; 

 genital claspers (fig. 3) distinctive of the 

 species. 



9. Length 4.8 mm., width 2 2 mm., more 

 ' , / _ robust than the male ; dorsum largely pale 



O I n ve ni rio testaceous, calli and basal angles of pro- 



Fig. 3. Demcocori.s afrfwnfrJs, male .-.^jtal disk black- hemelvtra larcrplv nalp 

 genital claspers. a, left clasper, lat- "Oiai aibK DiaCK , nemei>tra largely paie 



eral aspect; b, internal arm of left s^ravish testaceous, black spot at base and 

 clasper ; c, right clasper, lateral as- 

 pect, middle, but the blackish color at apex of 



corium more restricted than in the male; segment II, lengtli 1.57 mm., slender, 



becoming gradually thicker toward apex, scarcely equaling the thickness of 



segment I, black, sometimes dark brownish at middle, pale inibescent, a few 



darker and longer hairs near apex. 



Holotypc: i July 27, Alt. Lemon (alt. 9,000 ft.), Santa Cata- 

 lina Alts.. Arizona ( H. H. Knii^ht ) ; Cornell University collection. 

 AUotvpc: taken with the type. Parafypes : 46<S 429 taken with the 

 types. 



All the specimens were taken on Piuits scopiilonini and P. ari- 

 :;o)iica at the top of Mt. Lemon. Nymphs in the fourth and fifth 

 nymphal instars were taken with the adults. A description of the fifth 

 nymphal stage is as follows : 



Length 3.3 mm., width (across wing-pads) 1.8 mm. Head: width .91 mm., 

 vertex .48 mm., length .63 mm., more flattened and porrect than in the adult ; 

 carina not apparent, a row of small black bristles in its stead, triangularly im- 

 pressed just before on the vertex; several large black bristles on front of 

 head, one at base of jugum and two along lower iialf of front margin of eye 

 which are most prominent ; grayish testaceous, front mottled with fuscous each 

 side of median line, geminate mark on basal half of tylus, along inner margin 

 of eye and above base of antenna, blackish. Rostrum, length 1.57 mm., nearly 

 attaining posterior margins of hind coxae, dusky to piceous. 



Auteiinae: segment I, length .25 mm., thickness .09 mm.; II, 1.28 mm., 

 thickness .09 mm., cvlindrical, clothed, but not thickly set, with short stiff 



