334 HETEROPTEROUS HEMIPTERA. 



Body pieeous-black ; punctures numerous, distinct profound : 

 antennas distinctly hairy, dull honey-yellow : thorax transversely 

 a little indented behind the middle, and posterior to which the 

 punctures are large and more distant ; lateral very narrow mar- 

 gin depressed and somewhat translucent; lateral edge a little 

 arquated at the middle ; hemelytra piceous ; punctures distinct, 

 distant on the corium ; membrane dusky with two or three hyaline 

 arquations and obsolete at tip of the corium : feet piceous ; ante- 

 rior thighs dilated, with about one small spine beneath ; anterior 

 tibiae a little dilated. 



Length one-fifth of an inch. 



Resembles /era nob., but the lateral thoracic edge of that 

 species is rectilinear. 



5. P. fallax. — Anterior thighs dilated ; thorax with the 

 lateral margin dull whitish with brown spots. 



Inhabits North-west Territory. 



Body blackish, punctured : thorax on the posterior portion pale, 

 but so densely covered with blackish punctures as to appear 

 [779] blackish j lateral margin depressed, narrow, dull whitish 

 or yellowish, with a series of brown punctures furnishing hairs ; 

 scutel with two yellowish lines behind, confluent at tip : heme- 

 lytra dull yellowish with blackish punctures ; membrane a little 

 clouded with dusky; rostrum piceous; a yellowish spot and line 

 over the incisure of each foot ; coxae and trochanters pale yel- 

 lowish ; thighs somewhat robust, anterior pair thickest and with 

 a small spine beneath ; tibiae dull yellowish. 



Length less than one fifth of an inch. 



The thorax is rectilinear on the lateral edge, as in /era nob., 

 but in that species the anterior part of the lateral thoracic mar- 

 gin is not depressed, and the hemelytra are distinguished by a 

 whitish spot. 



7. P. bilobata. — Honey-yellow ; hemelytra whitish, with a 

 fuscous band and spot at tip of the corium. 



Inhabits Louisiana and Mexico. 



Body pale honey-yellow or dusky, somewhat hairy ; antennae, 

 terminal joint fuscous, slightly longer than subequal to the pre- 

 ceding and a little thicker : rostrum, second joint whitish, third 

 dusky : thorax with the anterior lobe longer, transverse quad- 

 rate ; posterior lobe not more elevated, but separated from the 



