412 WILLIAM G. DIETZ, M.D, 



Eyes large, somewhat prominent, with a decidedly cupreous lustre. Head densely 

 punctured and scaly, channeled between the eyes; prothorax very little wider 

 than long, dorsal channel distinct, somewhat widened from behind forward and 

 extending to the edge of the anterior declivity, limited laterally by a not very 

 obvious ridge, between this and the lateral tubercle is another oblique, less de- 

 fined groove or sulcus, anterior margin emarginate at the middle with two i^mall 

 approximate cusps, ocular lobes small, basal margin biemarginate, disc densely 

 and not coarsely punctured. Elytra two-fifths wider at the base than the pro- 

 thorax, sides straight and parallel for one-half their length, then obliquely nar- 

 rowed to and separately rounded at the apex ; striae fine, feebly impressed, each 

 with a row of scales concealing the punctures, interspaces flat, alternately a little 

 more convex and crested with lines of erect seal-brown scales interrupted by 

 spots and short lines of white, depressed scales, the flattened interspaces without 

 crests, a basal line on the sutural interspace of very dark velvety, but not erect 

 scales, extending almost one-third the length of the elytra ; seen from above 

 there is an ill-defined, brownish fascia, extending from behind the humeral callus 

 obliquely to the suture at the juncture of the middle and last thirds; pygidium 

 finely punctured ; underside rather coarsely punctured, sterna densely scaly, 

 ventral segments less densely clothed with coarse piliform scales. Legs rather 

 densely scaly. Length 2.2.5 mm. ; 0.09 inch. 



% . Pygidium feebly channeled, with a brush of recurved hair at the apex, 

 abdomen somewhat flattened along tne middle, last ventral segment with well 

 defined, transverse fovea, middle and posterior tihite feebly unguiculate at the 

 apex. 



Hub. — District of Columbia. 



A single male specimen of this very interesting species in Mr. 

 Ulke's collection. 



ORCHE5i»TO:VIERUS gen. uov. 



Beak stout, curved, funicle of antennae T-jointed. Eyes large, 

 transversely oval and rather convex ; prothorax wider than long, 

 narrowed anteriorly, with prominent ocular lobes. Elytra broadly 

 oval, convex, alternate interspaces wider; scutel very minute; jn'- 

 gidium very coarsely punctured ; pectoral canal extending upon the 

 mesosternum (Wickhami) or metasternum (Ulkei); metastenium 

 short, second abdominal segment shorter than the two following 

 segments together, prolonged at the sides, the third segment scarcely 

 attaining the lateral margin, anterior and middle coxal cavities not 

 entirely closed within, the latter scarcely more widely separated than 

 tlie former ; anterior coxse moderately prominent, middle coxse small, 

 globular and clo-sely approximate to the anterior, posterior coxse 

 widely .separated ; femora deeply sulcate for the reception of the 

 tibiae, posterior strongly incrassate ; tibije simple, tarsal claws toothed. 



The sj)ecies are broadly oval, very convex insects, readil}^ recog- 

 nized by the strongly incrassate posterior femora. Increased size of 



