OF IMIILADELnilA. 207 



IMATIDIUM Fabr. 



1. I. 17-PUNCTATUM. — Yellowish; thorax four-spotted; elytra 



IWilvc-SpnttlMl. 



liihahits Arkansa. 



IJody pale yellowish, punctured : antennsB black at tip : front 

 with an impressed line : mouth dusky : thorax four-spotted in a 

 iransverse series ; tlie two intermediate spots most distant: scutel 

 Idaek : elytra each six-spotted ; spots subequal, placed obliquely 

 '2, 2, 2, and an obsolete common one near the suture : beneath 

 yellow, or yellow varied with black: tarsi black. 



Length two-tit'ths, breadth one-fourtli of an incli. 



The position of the black spots is as in ll^-puiutatd, but their 

 number diflers ; the general color is diflferent, and \l-punctata is 

 of a more sleruler form than its congener. Found near the 

 Rocky Mnuntains. 



[This is C. crihrnn'a Fabr., and belongs to C/ieh/morpha. — 



2. I. cv.VNEU.M. — Suborbicular, blue, with dilated punctures; 

 aiiti'una' pale. 



Inhabits Ticorgia. 



IJody decj) blue, suborbicular, with profound, excavated punc- 

 tures j head slightly punctured; a longitudinal, impressed line : 

 antcnnne, excepting the ba.sal joint, pale yellow : thorax, poste- 

 rior edge Ibrming nearly a semicircle, lobate at the scutel ; 

 lateral edge almost transverse; anterior margin very profoundly 

 cniarginate; punctures, each side [436] dilated, on the middle 

 obsolete : scutel purple, truncate at tip : elytra, humeral angle 

 advanced subacute ; jiuncturcs arranged in series, and each with 

 a minute, central, purplish tubercle ; tcrgum sanguineous : be- 

 neath black, impunctured. 

 liCngth one-fifth of an inch. 



A very beautiful species, commmon on the sea islands of 

 Georgia and Hast Florida. 



[Belongs to Por/>lii/rn<j)i.t IJoh., and is C'assuht oi/throrcra 

 Germ. The specific names both bear the date of 1824 ; the one 

 of (Jermar is adopted by liidieman and will therefore prevail. — 

 Lkc] 

 1824.] 



