84 



[183.] body rather short, black, downy, minutely punctured. Head 

 very thickly and minutely punctured, obsoletely channelled ; antennae 

 slender, shorter than the body, fifth joint consideral)ly longer than the 

 fourth : prothorax shajied as in the preceding species but less depressed 

 jjosteriorly ; very thickly as well as minutely punctured : scuiellum tri- 

 angular : elytra pale-yellow, with an arched black spot at the base, then 

 follows an interrupted band consisting of three acute black spots placet! 

 in a triangle, beyond the middle is a dentated black band wliich reaches 

 neither the suture nor the lateral nuirgin , tlic apex :ils(». the suture, and 

 the lateral margin towards the apex, are all black. 



Variktv IJ. Head not channelled : spot at the base of the elytra 

 coalescing with the intermediate and lateral ones of the anterior band, 

 and reaching the lateral margin ; interior spot reachmg the suture so as 

 to form the half of a spot common to both elytra ; the intermediate band 

 is broader and reaches both the suture and lateral margin, j Belongs to 

 Stran^a/ia ( Pachyta ). Taken at Quebec l)y Mr. Couper ; 1-ake Superior 

 by Agassizs Expedition.] 



'^ ++ a. ■' 



246. Lkptlra SKMiviTTAiA AV/v^r. — Length of body 6 lines. Taken 

 in Canada by Dr. Bigsby. 



Body long and narrow, black, underneath slightly antl minutely punc- 

 tured, -with the sides of the breast ar»d abdomen brilliant .vith a silver)- 

 lustre from decumbent silky hairs, above cjlossv and almost naked. Head 

 thickly jiunctured. but behind each eye there is a levigated space ; 

 antennae longer than the prothorax. intermediate joints not slenderer 

 than the others, the fourth as long as the fifth : neck short and levigated: 

 prothorax bell-shaped, not constricted anteriorly, depressed posteriorly ; 

 thinly punctured, especially in the disk ; scutellum triangular : elytra 

 ])unctured but not thickly, jxmctures almost arranged in rows, towards 

 the apex they are very slight : w reddish-}-ellow subflexuose stri])e runs 

 from the middle of the base of the elytra a little more than half way 

 towards the apex, which is diverging and truncated ; the \ entrai segments 

 of the abdomen terminate in a reddish uiembrane. [Synonymous with 

 L. vittata k)\\\.. common in Canada on tloutrs during June and July; 

 taken from Alabama northwards, j 



[184.] 247. Lkf'tura <.i i.osa A'/v/'i'.- Length of the body 5 lines. 

 Taken in Nova .Scotia by Dr. MacCullo(h. 



Very nearly related to the preceding specie.s, from which it differs 

 chiefly in being much smaller, in having the vmdersidc of the body more 



