232 THE CANADIAN ENTOMOLOGIST. 



Hydnocera hifnacu/ata, n. sp. — Large, robust, moderately depressed, 

 aeneous-black, upper surface feebly shining, elytra and body beneath 

 moderately shining. Head very slightly wider than the thorax, eyes large, 

 not very prominent, ciliate with long hairs, labrum, maxillary palpi and 

 antennae yellowish-testaceous, labial palpi piceous, the basal joint yellow- 

 ish-testaceous, antennse moderately stout, slightly longer than the head, 

 mass obtusely rounded at apex, head very densely, moderately, coarsely 

 punctate, frontal impressions feeble, very sparsely clothed with recumbent 

 silvery-white pubescence and sparse, long, erect cinereous hairs. Thorax 

 nearly one-fourth broader than long, apical constriction moderately 

 strong, sides broadly, moderately strongly dilated, posteriorly nearly 

 straight and convergent to base, apical transverse impressed line 

 distinct, not deep, basal impressed line deep, extending from 

 side to side, the basal submargin is carinate and the carina 

 grooved, punctuation same as that of the head, at middle of apical 

 margin finely, transversely rugose, middle of disc smooth, lateral fovese 

 feeble and punctured, pubescence similar to that of the head, but with the 

 silvery-white pubescence semierect. Scutellum densely clothed with 

 long, whitish, recumbent hairs. Elytra wider than head and thorax, 

 humeri obtusely rounded, sides straight, moderately narrov/ing posteriorly, 

 shorter than the abdomen, apices obtusely separately rounded, finely 

 serrate, narrowly dehiscent at suture, behind the middle a rounded 

 yellowish-testaceous maculation, which is densely clothed with transversely 

 directed subrecumbent long whitish pubescence, the remainder of surface 

 with very sparse recumbent white and long semierect gray hairs, ihe 

 whitish hairs being most conspicuous at base, humeral regions and behind 

 the Dostraedian maculations, surface before the maculations rather 

 coarsely, densely and confluently punctate, behind the maculations 

 moderately, coarsely scabrous, maculations finely and densely punctured, 

 elytra from apical two-fifths to apex rather strongly declivous, apices not 

 tumid. Body beneath moderately clothed with long whitish hairs, 

 abdomen sparsely pubescent, body finely, densely punctate, abdomen 

 more coarsely, less densely punctate. Legs dark, inner margin of front 

 tibiae, apex of middle tibiae and front and middle tarsi pale testaceous. 

 Length, 5.25 mm. 



Amedee, Cal., 4,200 feet. Received from H. F. Wickham. 



While closely allied to Wickkami, it differs in too many characters to 

 allow its union with that species ; the most conspicuous differences 



