316 RETEROPTEROUS HEMIPTERA. 



8. P. senilis. — Long oval ; tergura blackish, with two paler 

 spots at tip. 



Inhabits United States. 



Body greenish-olivaceous, rather dull ; rather oblong or long 

 subovate; with rather close-set punctures, somewhat confluent 

 on the scute! and thorax, more distinct on the hemelytra, and 

 smaller and more dense on the head : head emarginate at tip ; 

 tubercle which supports the antennae extended into an obvious 

 acute spine : antennas dull rufous, a little hairy ; second joint [761] 

 slightly longer than the third : thorax a little paler on the lateral 

 margin j lateral edge rather concave than rectilinear : hemelytra 

 rather paler on the exterior margin ; membranaceous tip almost of 

 the same color : tergum black, with a dull yellowish margin ; pe- 

 nultimate segment with two large obscure yellowish, quadrate 

 spots. 



Length over three-fifths of an inch. 



This species is rather more slender than usual, and the tuber- 

 cle which supports the antennae is a little produced into an acute 

 spine. 



9. P. hilaris. — Oblong-oval ; green ; tips of the three last 

 joints of the antennas blackish or rufous, the two last whitish at 

 base. 



Inhabits United States. 



P. hilaris nob., New Sp. N. Am. Ins. found by J. Barabino, 

 1832, p. 9. [Ante, p. 304.] 



Body bright green; punctures very numerous and dense; 

 edges of the head, thorax and abdomen, white yellowish or ru- 

 fous; antennae, second and third joints subequal, the latter 

 longer, third and following black or rufous at their tips, whitish 

 at their base, the ultimate one whitish at tip ; thorax, lateral 

 edge rectilinear from the anterior angle to the posterior rounded 

 angle : abdomen on the edge with a black point at each incisure ; 

 rostrum terminated between the posterior feet. 



Length from one half to more than three-fifths of an inch. 



This species inhabits various parts of the Union. Nuttall 

 gave me two individuals which he obtained in Missouri ; Mr. 

 Barabino sent me two from Louisiana, and I have also found it 

 in this State. A label attached to one in my cabinet says " like 



