358 HETEROPTEROUS HEMIPTERA. 



PETALOCHEIRUS Beauv. 



1. P. cruciatus. — Sanguineous, thoracic spot, scutel and 

 hernelytra black ; scutel bifid at tip. 



Inhabits United States. 



Body sanguineous : head black behind the eyes ; antennae black : 

 thorax with a longitudinal impressed line extending nearly to 

 the base and forming a cruciate mark with the transverse line ; 

 an irregular black spot on the disk ; scutel rugulose, lip [tip] 

 orbicularly bifid : hernelytra black ; humerus yellowish : pectus 

 and postpectus black : feet whitish ; thighs at tip and tibiae 

 [ 803 ] at tip and base blackish ; tarsi dusky ; rostrum pale, 

 second joint blackish. 



Length half an inch. 



I have taken this insect in Indiana and Missouri, and Mr. 

 Oemler sent me a specimen from Georgia. 



[This is Ectrychotes hicolor H. Schaffer, 8, tab. 266, fig. 822.— 

 Uhler.] 



2. P. BIGUTTATUS nob., New Sp. of N. Amer. Ins. found by 

 J. Barabino, p. 13. [Ante, p. 307.] Hernelytra with a yellow 

 spot beyond the middle and another at base. 



NABIS Latr. 



1. N. PURCis Drury (Cimex) Ins. V. p. 63, pi. 45, f. 4. I 

 took many specimens in Georgia and Florida. 



[Belongs to Hammatocerus — Uhler.] 



2. N. novenarius nob., (Reduvius) Jour. Acad. Nat. Sci. 

 [Ante, p. 71. Belongs to Prixmotus. — Uhler.] 



PLOIARIA Scop. 



1. P. praterna. — Brown; feet immaculate; hernelytra as 

 long as the head and thorax. 



Inhabits New Orleans. 



Body slender and elongated, brown ; resembling P. ; Amer. 



Entom. v. 3, pi. 47, [Ante, p. 106 ; ] but is smaller; feet im- 

 maculate : largest spine of the anterior feet white, with a black 

 tip ; tibiae blackish : head paler than the thorax, with a double 

 brown line diverging anteriorly before the transversed impressed 



