NORTH AMERICAN BUPRESTID BEETLES 227 



Agrilus politus Felt (not Say), N. Y. State Mus., Bull. 200, 1918, p. 135.— 

 Frost and Weiss, Canad. Ent, vol. 52, 1920, p. 220 (part).— 

 Mutchleb and Weiss, N. J., Dept. Agric, Bur. Statistics and Inspec- 

 tion, Circ. 48, 1922, pp. 9-10 (part).— Wellhousb, Cornell Agric. Exp. 

 Sta., Mem. 56, 1922, p. 1106 (part). 



Male. — Form rather slender, elongate, and feebly flattened above; 

 head green in front, becoming brownish cupreous on the occiput; 

 pronotum and elytra olivaceous bronze, suffused with cupreous, 

 becoming distinctly reddish cupreous on apical third of elytra, and 

 moderately shining ; beneath reddish cupreous, the legs more aeneous, 

 and more shining than above. 



Head with the front rather wide, nearly flat, slightly wider at 

 top than at bottom, the lateral margins nearly parallel from the top 

 to middle, then broadly constricted to the bottom, with a distinct 

 longitudinal groove extending from the occiput to middle of front, 

 and ending in a slight depression ; surface finely, densely granulose, 

 rather densely, coarsely punctate, longitudinally rugose on the 

 occiput, and rather densely clothed with moderately long, recum- 

 bent, whitish hairs anteriorly; epistoma strongly transverse between 

 the antennae, and broadly, rather deeply, arcuately emarginate in 

 front; antennae extending to middle of pronotum, serrate from the 

 fourth joint, and the outer joints about as wide as long; eyes large, 

 broadly elongate, and about equally rounded above and beneath. 



Pronotum one-half wider than long, about equal in width at base 

 and apex, and widest along apical half; sides nearly parallel from 

 apical angles to near middle, then vaguely narrowed to the posterior 

 angles which are rectangular; when viewed from the sides the mar- 

 ginal and submarginal carinae are sinuate, rather narrowly separated 

 anteriorly, and connected to each other near the base; anterior mar- 

 gin feebly sinuate, with the median lobe broadly rounded; base 

 strongly emarginate at middle of each elytron, the median lobe 

 broadly truncate in front of scutellum ; disk moderately convex, with 

 two broad, moderately deep median depressions, a broad, moderately 

 deep depression on each side along lateral margin, and with long, 

 nearly straight, sharply denned prehumeral carinae, extending 

 from base to middle of pronotum; surface obsoletely reticulate, 

 densely, transversely rugose, finely, sparsely punctate between the 

 rugae, and with a few indistinct hairs in the depressions. Scutellum 

 transversely carinate, and the surface finely, densely reticulate. 



Elytra wider than pronotum at base, and about equal in width at 

 base and behind the middle; sides feebly rounded behind the base, 

 feebly, broadly constricted in front of middle, broadly, arcuately 

 expanded behind the middle, then obliquely narrowed to the tips, 

 which are separately, rather broadly rounded, and finely serrulate; 

 sides of abdomen only feebly exposed above; disk feebly convex, 



