Der.\eocoris (Heteroptera, Miridae) 



181 



cent or hairy, lateral margins distinct, nearly straight, anterior angles rounded 

 but distinct ; calli convex, subconfluent, black, invaded by pale at the latero- 

 anterior angles from which a black arc extends to front margin of pronotal 

 disk; disk testaceous, becoming piceous on the basal one-third each side of the 

 median line, punctures piceous, more sparsely and' irregularly placed just 

 behind the calli; propleura testaceous to brownish, black punctate; xyphus 

 slightly convex, infuscated, pale pubescent. Scutcllum convex, smooth and 

 shining, pilose, testaceous, black vitta each side of median line which fuse at 

 base ; mesoscutum moderately exposed, black, brownish at the lateral angles. 

 Sternum brownish black, paler at the median line 'and around the margins, 

 pleura yellowish to brownish ; ostiolar peritreme pale to yellowish, a blackish 

 spot just above. 



Hciiiclytra : width 3 mm., embolar margin slightly arcuate; disk convex, 

 coarsely black punctate, thickly clothed with prominent pubescent hairs ; pice- 

 ous or black, more or less pale between the punctures on the clavus, basal half 

 of embolium, spot near base, and at apical inner angles of corium; more 

 nearly black at tip of clavus, large spot on middle and broadly across apex 

 of corium and embolium. Cuneus pale, apical half and narrowly at base black, 

 punctures concolorous. Moiibrane fusco-brownish, slightly darker on veins 

 and at either side, paler near tip of cuneus and basal half of areoles. 



Legs; pale, vestiture of hairs shorter and less prominent than in foics- 

 iratus; femora with two reddish brown bands on apical half, interrupted be- 

 low and on posterior face; tibiae with a brownish or piceous band at middle, 



the apices broadly darkened 

 with brownish, clothed with 

 suberect hairs which in length 

 scarcely exceed thickness of 

 tibiae ; claws deeply cleft, aro- 

 lia slender, bristle-like, erect, 

 nearly parallel but converging 

 slightly at apices. 



J'cntcr: dark brownish to 

 jiiceons, yellowish pubescent ; 

 genital claspers (fig. 37) dis- 

 tinctive of the species. 



Holofypc: $ May. Santa Clara County, California (Coleman); 

 author's collection. Paratypc : $ , taken with type. 



usifrons 



Fig. 37. Deravocoris fusifroris, male genital 

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

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

 aspect. 



Deraeocoris fusifrons deletans new variety 



9. Length 5.7 mm., widtli 3 mm. Structurally very similar if not identical 

 with the typical fusifrons, also the piceous coloration of head and dorsum 

 very similar but more broadly pale on hemelytra. embolar margin more dis- 

 tinctly arcuate ; femora with only one dark brown band on anterior face of the 

 apical half, tibiae indistinctly marked with brown at middle ; venter testaceous, 

 each side with a row of rounded, impressed, polished brownish black spots, 

 one on each segment situated slightly beneath the spiracle ; membrane pale fuli- 

 ginous. Antennae: segment I, length .48 mm., vellowish brown; II, 1.57 mm.. 



