Deraeocoris (Heteroptera, Miridae) 



169 



sparsely beset with long erect hairs which in length are eqnal to three times 

 the greatest thickness of segment, yellowish to brownish, slightly darker at 

 apex; venter testaceous to reddish or dark brown, a row of impressed black 

 spots, each side on the lateral submargin. 



Allotype: S July 24, 19Q0, Salida, Colorado; type material; 

 author's collection. Spcciiiiois c.voiiiiiicd : ARIZONA, — S Aug. 3, 

 Grand View, (irand Canyon (II. H. Knight). COLORADO.— 2 <5 

 4$ July 24, 1900. Salida; specimens collected with the type. NEW 

 MEXICO,— .? Aug. 3. S Aug. 5, Las Vegas (Barber & Schwarz). 



This species should be looked for upon pines in the Rocky Moun- 

 tain region. 



Deraeocoris pilosus new species 



Very similar and closely related to fuk'cscciis, but slightly larger and more 

 uniformly colored ; hemelytra uniformly reddish brown, not darker on the 

 apical half of corium than on the embolium, tibiae triannulate with pale. 



S. Length 6.2 mm. Head: width 1.11 nmi., vertex .52 mm., length .63 

 mm. : front and tylus more broadly blackish than in fiil-c'cscciis. Kostnini, 

 length 2.57 mm., nearly attaining posterior margins of hind coxae, brownish 

 to piceous. 



Antennae: segment I. length .37 mm., fusco-brownish ; II, 1.4 mm., tapering 

 from slender at base to thicker, the apical one-third equaling segment I in 

 thickness, jiale pubescent, length of exserted hairs equal to twice the thickness 

 of segment, fusco-brownish, slightly darker at apex; III, .54 mm.; IV, .48 

 mm. : last two segments blackish. 



Pronation : length 1.34 mm., width at liase 2.28 mm., anterior angles 1.08 

 mm. ; collar .85 nmi., brownish black, opaque ; disk more closely punctate than 

 in fuhc'csccns, distinctly hairy ; calli brownish black, the disk of each callus in- 

 variably paler than at the margins. Scutcllum more flattened than in fulves- 

 ccus, longly pilose, brownish black, basal angles and apex pale. Sternum and 

 pleura brownish black ; ostiolar peritreme largely infuscated or brownish. 



Hemelytra: width I.bZ mm.; uniformly reddish brown, semitranslucent, 

 rather closely and uniformly black punctate, clothed with prominent erect pilose 

 hairs, apical half of corium never piceous as in fnlTescens. Cunens colored sim- 

 ilarly to the corium, frequently more reddish on the apical half. M eiiibrane 

 uniformly pale fuscous or brownish, a slightly paler spot near tip o-f cuneus, 



Legs: reddish brown, marked with 

 pale very similarly to fnk'Cseens but 

 the tibiae distinctly triannulate with 

 pale. 



Venter: dark reddish brown to 

 piceous, shining, longly pale pubes- 

 cent; genital claspers (fig. 31) indi- 

 p 1 1 03 U.3 cate a close relationship with fu\- 



_. „, ^ . •, , •, , veseens but the right clasper and the 



Fig. 31. Deraeocoris pilosus, male Renital , .... 



claspers. a, left claspei-, lateral aspect; b. internal arm of the left, exhibit spe- 



internal arm of left clasper; c, right clasper, -r .n- 



lateral aspect. cihc differences. 



veins frequently reddish brown. 



