No. 34-] HEMIPTERA OF CONNECTICUT I MIRIDAE. 497 



of eye to the collum, black; pronotum reddish, becoming black 

 on the basal half but not covering the basal angles ; scutellum and 

 hemelytra reddish, clavus and rather broadly across apical end of 

 corium blackish ; cuneus red, the apical one-third black ; legs and 

 ventral surface similar to those of the typical form. 



New Haven, 12 July (M. P. Z.). 

 D. ruber var. segusinus Miiller. 



Cimex segusinus Miiller, Manip. Ins. Taur., 191, 1766. 



18th Rept. State Ent. Minn., 193, 1921. 



Black, front of head, base of corium and embolium, and basal 

 half of cuneus, reddish; ventral surface of body black, ostiolar 

 peritreme pale; legs colored as in the typical variety or only 

 slightly darker. 



New Haven, 21 July (M. P. Z.). 



Subfamily Orthotylinae. 



Key to Tribes. 



1. Eyes pedunculate, head very broad (p. 501) Labopini 



Eyes not pedunculate, head not unusually broad 2 



2. Pronotum with pleural area separated from dorsal part by a distinct 



suture; pronotal disk raised posteriorly and projecting above the 



scutellum ; clothed with dense erect, bristly pubescence 



(p. 498) Semiini 

 Pronotum not separated by a distinct lateral suture ; base of pro- 

 notal disk not projecting above scutellum 3 



3. Body robust, short oval or ovate, femora saltatorial ; head strongly 



vertical, width of vertex greater than length of head when seen 



from above (p. 498) Halticini 



Body usually elongate ; length of head usually greater than width 

 of vertex, if not then the head not sharply vertical, or the thorax 

 sulcate-sinuate at the sides 4 



4. Antennal segment iii equally thick as segment ii, or nearly so 5 



Antennal segment iii distinctly more slender than segment ii 6 



5. Thorax campanulate, apex of pronotum scarcely greater than width 



of vertex ; slender species, hemelytra medially coarctate, abdomen 

 slender at base; females usually brachypterous, abdomen very 



broad but narrowed at base (p. 545) Systellonotini 



Thorax not distinctly campanulate, apex of pronotum wider than 

 vertex ; sometimes slender but in such case the hemelytra not 

 medially coarctate, the abdomen broad at base; females fre- 

 quently brachypterous but abdomen not at all narrowed at base 



(p. 524) Ceratocapsini 



6. Slender ant-like species, especially in the shape of the head ; sides 



of pronotum more or less sulcate-sinuate, or greatly narrowed on 

 the apical half; usually with silver markings composed of 



deciduous scale-like hairs (p. 537) Pilophorini 



Form not ant-like; sides of pronotum not sulcate-sinuate; devoid 

 of silver markings like the above ■ • 7 



7. Head strongly produced vertically; genae high, usually as great 



as the height of an eye, but if not then the front above the tylus 

 is prominent when seen from above, the outline of front describ- 

 ing a sinuate arc between the eyes, the width of vertex being 

 greater than length of head (p. 501 ) Lopidini 



