HETEROPTEROUS HEMIPTERA. 345 



tel with a dilated white line : hemelytra, on the lateral and inner 

 margins of the corium whitish : abdomen at base and feet rufous 



Length less than one-fourth of an inch. 



The lateral margin of the corium is sometimes yellowish- 

 brown. The base of the abdomen in the recent specimen is 

 often sanguineous. 



20. C. VITRIPENNIS. — Yellowish ; hemelytra hyaline j subbi- 

 fasciate. 



Inhabits United States. 



Body oblong, pale greenish-yellow : head impuncturcd, neck 

 blackish : antennas, first joint three-fourths as long as the second, 

 pale rufous ; second joint not obviously larger at tip ; third joint 

 very short, whitish : thorax with large punctures ; scutel yellow, 

 black at base : hemelytra hyaline, the corium being as transpa- 

 rent as the membrane, with a common dusky vitta, curved out- 

 ward [ 790] behind the middle so as to form a band ; beyond is 

 another oblique arquated band originating at the middle of the 

 preceding one : beneath greenish. 



Length nearly one-fifth of an inch. 



A male in my collection has a large blackish spot on the base 

 of the thorax. I have taken it on the oak, in August, in Penn- 

 sylvania. I have also found an individual in Indiana. 



21. C. invitus. — Dark livid or blackish; beneath green with 

 a blackish lateral vitta. 



Inhabits Indiana. 



Body dark brownish livid or blackish, with numerous short 

 prostrate yellow hairs : head dull yellowish, with an impressed 

 longitudinal line : antenna}, first joint less than half the length 

 of the second, which is hardly perceptibly larger at tip; third 

 joint more than half the length of the second, and as long again 

 as the fourth: thorax with small transversely confluent, super- 

 ficial punctures: scutel with a pale obsolete vitta, beyond the 

 middle: hemelytra with a whitish spot at tip of the corium and 

 a greenish lateral edge : beneath green, with a broad lateral black 

 vitta: feet green: posterior thighs black towards the tip. 



Length nearly one-fourth of an inch. 



22. C. imbecilis.— Blackish ; antenna) second joinl white at 

 tip j hemelytra, with a white band before the middle and spot at 

 the coriaceous tip. 



