334 HETEROPTEROUS HEMIPTERA. 



Body piceous-black ; punctures numerous, distinct profound : 

 antennae 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 

 tibia3 a little dilated. 



Length one-fifth of an inch. 



Resembles fera nob., but the lateral thoracic edge of that 

 species is rectilinear. 



5. P. PALLAX. — 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; 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 ; coxge 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 fera 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 



