No. 34-] HEMIPTERA OF CONNECTICUT: MIRIDAE. 567 



Female: Length 5 mm., width 2.3 mm.; more robust than the 

 male and more broadly pale. Head: Width 1.06 mm., vertex 

 .48 mm. ; front, except median line, largely testaceous. Antennae : 

 Pale ; segment i, length .58 mm. ; ii, 1.57 mm., slightly more slender 

 than in the male. Pronotum : Disk yellowish testaceous, a black- 

 ish line bordering lateral carina, an obsolete fuscous line behind 

 outer margin of callus. Scutellum colored similarly to the male, 

 median line black from base to apex but more broadly so nearer 

 base. Sternum and pleura black, ostiolar peritreme pale. Hem- 

 elytra: Pale testaceous, embolium and outer margin of corium, 

 exterior to radial vein, black, tip of embolium pale; cuneus uni- 

 formly pale translucent. Membrane pale, areoles except small 

 spot near basal angle of cuneus, veins and somewhat invading 

 membrane bordering areoles, dark fuscous. 



Holotype: Male, 13 June, 1908, Great Falls, Va. (O. Heidemann) ; 

 Cornell Univ. collection. Allotype : taken with type. Paratype : Female, 

 taken with types. Missouri — Female, 22 June, 1916, Charleston (E. H. 

 Gibson). 



N. tricolor (Van Duzee). 



Bull. Buff. Soc. Nat. Sci., x, 487, 1912. 



Female: Length 5.7 mm., width 2.8 mm. ; black, antennae, ros- 

 trum except apex, legs, ostiolar peritreme, and cuneus, pale ; 

 antennal segment ii fuscous on apical one-fourth, segments iii and 

 iv dusky; front of head reddish to brownish; dorsum rather 

 coarsely punctured, with an erect, prominent, pale hair arising 

 from each puncture. 



New Jersey, Missouri. 



Xenoborus Reuter. 



Key to Species. 



1. Membrane uniformly fuscous or black 3 



Membrane pale, or if fuscous, paler on middle 2 



2. Dorsum uniformly pale greenish yellow, fuscous along commissure 



of hemelytra ; length 6.4 mm commissuralis 



Dorsum more broadly blackish ; calli, spot each side of median line 

 on pronotal disk, clavus except along claval vein, and spot on 

 apical area of corium, fusco-blackish ; membrane fuscous, but 

 an oval spot on middle of apical half, and within the areoles, _ 

 distinctly paler ; length 5 mm plagifer 



3. Posterior tibiae uniformly pale, femora pale or only rarely dusky 



near apex; embolium and basal half of corium pale in both 



sexes neglectus 



Posterior tibiae fuscous, blackish near base, posterior femora black- 

 ish apically or with dark color forming two bands ; embolium and 

 basal half of corium only rarely pale in certain female specimens 



pettiti 



X. commissuralis Reuter. 



Can. Ent, xl, 112, 1908. 



Length 6.4 mm., width 2.3 mm.; uniformly pale greenish, 

 becoming yellowish after death ; antennae, a narrow streak along 

 commissure of hemelytra, tips of tarsi, and tip of rostrum, fusco- 



