No. 34-] HEMIPTERA OF CONNECTICUT: MIRIDAE. 573 



lowly punctate ; collar and tip of scutellum white ; female usually 

 reddish and with fuliginous on pronotum, male very slender and 

 nearly black (p. 574) approximatus 



2. Length of antennal segment ii exceeding width of head 3 



Length of antennal segment ii less than or scarcely equaling width 



of head ; basal carina scarcely raised from base of vertex ; ovate, 

 robust, yellowish brown to dark reddish brown and darkened with 

 fuscous (p. 575 ) rubicundus 



3. Length of antennal segment ii exceeding width of pronotum at base, 



or if not, then the head not particularly broad and length of insect 



exceeding 4.5 mm 4 



Length of antennal segment ii scarcely equaling width of prono- 

 tum at base ; head unusually broad for size of insect, equal to 

 more than one-half the width of pronotum at base ; eyes large ; 

 small, form ovate, length 4-4 :5 mm (p. 579) fasciatus 



(a) Scutellum dark red or ferruginous, median line, or at 



least the apex, paler; anal area of membrane infuscated 



variety fasciatus typical 



(b) Scutellum bright green, with not more than two or three 



dots of red at lateral margins ; anal area of membrane 

 not distinctly infuscated variety viridiusculus 



4. Vertex with basal carina entire ; variously colored 5 



Vertex with basal carina obsolete in the middle, apparent only at 



corners of eyes and from thence an impressed line extends to near 

 center of vertex ; green or greenish yellow, fading to dull 

 yellowish ; Y-shaped fuscous mark formed by anal area of mem- 

 brane, usually with a longitudinal cloud distad of the areoles . . . 



(p- 579) pabulinus 



5. Pronotum coarsely, or at least distinctly punctate ; body integu- 



ments heavily chitinized ; adults hibernate ; right genital clasper 

 of male with claw at tip, curving ventrad or caudad, in length 

 less than greatest width of clasper ; left clasper without prong at 



middle (at posterior extremity of lateral aspect) 6 



Pronotum very finely punctate ; body integuments more thinly 

 chitinized, more fragile forms ; adults do not hibernate ; right 

 genital clasper of male with an apical hook or prong projecting 

 mesad, its length as great as or greater than thickest part of the 



clasper ; left clasper with a prong at middle 



(p. 580) subgenus Neolygus 



6. Rostrum reaching to near posterior margins of hind coxae 7 



Rostrum just attaining posterior margins of middle coxae; scutel- 

 lum bright yellow or green (p. 575) campestris 



7. Color yellowish brown to blackish, or reddish; tibiae annulated 



with darker near base 8 



Color chiefly green ; tibiae pale greenish, without annuli at base ; 

 eyes large (p. 578) apicalis 



8. Hemelytra blackish and irregularly mottled with greenish yellow; 



head and anterior part of pronotum yellowish green, usually with 



two black rays behind each callus (p. 578) plagiatus 



Hemelytra sometimes dark but not mottled with paler; head and 

 pronotum otherwise colored 9 



9. Smaller forms, length 4.8-6 mm. ; distinctly pubescent 



(P- 575) pratensis 



(a) Yellowish brown with more or less blackish markings, or 



reddish brown with fuscous ; pronotum with yellowish and 

 blackish rays ; hemelytra reddish brown or blackish, 

 streaked with yellowish or gray variety oblineatus 



(b) Chiefly blackish but streaked with yellowish; head blackish 



but with four longitudinal yellowish marks on front 



variety strigulatus 



