SUBFAMILY VII. — RHYPAR0CHR0MI1SLE. 411 



pilis at least as a subgenus instead of making it an absolute 

 synonym of Ptochiomera, as has been done by Barber. 



X. Kolonetrus Barber, 1918c, 49. 



Small oblong shining species having the head declivent, 

 slightly wider across eyes than front margin of pronotum ; 

 antennae slender, joints two and three subequal, fourth fusi- 

 form, slightly longer, but little stouter; pronotum oblong, 

 rather closely punctate, strongly constricted at basal third, 

 sides of front lobe feebly rounded, hind lobe with angles 

 strongly nodulose above ; scutellum longer than wide, thickly 

 and coarsely punctate, its apical half with a vague median 

 carina ; corium thickly irregularly punctate ; membrane never 

 wholly absent, in macropterous forms reaching tip of abdomen ; 

 front femora swollen, armed with a single stout post-median 

 tooth, male, with two smaller teeth, female; first joint of hind 

 tarsus but slightly longer than the others united. Other char- 

 acters as in generic key. One species is known. 



357 (582y 2 ). Kolonetrus plenus (Distant), 1882, 216. 



Elongate-oblong. Head, pronotum, scutellum and under surface 

 shining black, feebly bronzed; elytra dark reddish- or grayish-brown, 

 clouded with fuscous behind the middle, the punctures each enclosing a 

 short yellowish appressed hair; membrane fuscous, paler at base; anten- 

 nae reddish-brown, the fourth joint, apex of third and sometimes the 

 entire first darker; femora dark reddish-brown to piceous, their knees 

 and tibiae paler. Structural characters as above given. Length, 3 — 3.4 mm. 



Indian Lake, Sabael, N. Y., Aug. 5 (Barber) . Described from 

 Guatemala and known in the United States from Maine, New 

 Hampshire, Massachusetts, Connecticut and Arizona. It is a 

 terrestrial form which in New England occurs in July and 

 August in beach drift and also beneath moss and dead leaves. 



XI. Cnemodus Herrich-Schaeffer, 1853, 184. 



Elongate, rather robust species of medium size, having the 

 head porrect, distinctly exserted, the space behind eye equal 

 to that between antennae and eye ; ocelli absent ; antenna? slen- 

 der, more than half the length of body, basal joint exceeding 

 apex of head by two-thirds its length, second longest, 3 and 4 

 subequal ; pronotum as in generic key, front lobe in brachypter- 

 ous form cask-shaped, convex, narrowed in front, usually wider 

 at middle than hind one, the latter finely sparsely punctate ; in 

 macropterous form subcylindrical, distinctly narrower than the 



