March, 1922.] Chamberlin : The Genus Pcecilonota. 59 



variation, the division of this species into subspecies and varieties 

 might be carried on indefinitely. 



Pcecilonota ferrea Melsheimer. Plate VI, figs. 11 and 12. 



" D. Ferrea. Brassy-brown above, profoundly rugose punctured; thorax 

 with a glossy dorsal line. ... 7 (lines) long, 2^4 (lines) wide. Virginia. 



" Brassy-brown above ; head slightly impressed, rugosely punctured ; eyes 

 yellowish-brown, thorax equal, confertly rugose-punctured ; medial space 

 glossy, black, each side of which, at the anterior margin, with a small black, 

 polished spot, and a similar one each side, at the posterior margin ; posterior 

 angles rectilinear : scutellum transverse, concave : elytra punctured, and with 

 rows of glossy oblong-quadrate spots ; lateral submargins transversely rugulose 

 and with irregular, elevated glossy spots and short lines ; tips narrowed, short, 

 bidentate ; feet and beneath dull cupreous, rugosely punctured: pectus slightly 

 canaliculate. — Received a female specimen, and the only one in my collection, 

 from Professor Haldeman." 1 



Pcecilonota ferrea Mcls. (Rcdcscribed.) 



Oval in form ; brassy greenish above, but ordinarily presenting a 

 light grayish color, due to the presence of short white pubescence and 

 of a downy-like substance in the punctures. Antennae (male) with 

 basal segment cylindrical and coppery, remainder flattened greenish 

 with slight brassy tinge clothed with long bristle-like hairs, front 

 rugosely punctured with irregular, elevated shining area on upper half; 

 thorax bisected by a rather wide, elevated, dark, shining area, this 

 elevated area interrupted by deep, round punctures, extends laterally 

 from the median line, one half the distance to the lateral margin, thence 

 to the margins the area is deeply, closely, rugosely punctate. Sides 

 regularly arcuate with the widest point just in front of the middle. 

 Scutellum transversely elongate, quadrate. Elytra with few scattered 

 punctures; first five intervals distinct, except near the apex, where they 

 become broken up. The surface of elytra broken by short transverse 

 rugose lines and elevated spots which are either brassy green or green- 

 ish-black. Surface covered with scattered, short, white, bristle-like 

 hairs, more numerous near the apex. Apex not nmch prolonged, more 

 or less distinctly bidentate. Beneath coppery bronze, punctate, the 

 punctures stnall. scattered along the median portion, larger, deeper and 



1 Melsheimer, F. E., Descriptions of New Species of Coleoptera of the 

 United States in Proceedings of the Academy of Nat. Sci. of Philadelphia, Vol. 

 2, pp. 144-145, Nov., 1844. 



