119 ORDER COLEOPTERA. 



Clytis ixDATrs. (Plate viiij fig. 4.) 



Head anteriorly hairy ; parts about the front part of the head rufous ; base and ajicx of 



the interrupted hand, of yellow hairs : scutellum dark brown. Elytra marked with 



yell n upon their margins j the basal third is marked with an oblique line, succeeded 



by two yellow wav\ bands : posterior angles of the elytra rounded ofl' so as to show 



the last segment of the abdomen. Beneath, upon the breast, are three yellow spots, 

 and also at the top of the ventral segments of the abdomen. Length about eight lines. 



CLYTLS CAMPE8TB1S (OllV.). 



This is a small species, from four- to six-tenths of an inch long. Its color is brown, 

 marked with two waved bands across the elytra and tips. The pronotum has four yellow 

 dots arranged in a square, and the under parts are marked with the same color. 



The larva is injurious to fallen chestnut timber, damaging it for rails : they burrow 

 between the bark and wood, and also penetrate into the wood. The perfect insect appears 

 in May and June. It inhabits the Northern States, New-York and New-England, and ex- 

 tends as far south as Carolina (Halukman, Am. Phil. Transactions, x, 40). 



Clytis hamatus. ( Plate viii, fig. 7.) 



Color brown : head banded with yellow ; scutel yellow. Elytra marked with two bars 

 and a dash; a yellow dash near the base, two curved lines opening towards the 

 shoulders, the inner leg extending along the suture to the scutel, and a yellow trans- 

 verse curve opening downwards and situated below the middle : legs brown. Length 

 half an inch. 



Clytis . ( Plate viii, fig. 6.) 



Color brown. Head much concealed in the thorax, rather dilated, immaculate. Elytra 

 marked with three transverse curved hars at equal distances ; outer angle of the apex 

 pointed : legs long, brown. Length nearly half an inch. 



Ci.ytus ? ( Plate viii, fig. 3.) 



Antcnme shorter than the body, setaceous ; second joint the longest : thorax globose, un- 

 armed : elytra entire at the tip. Color black, somewhat yellowish gray from the 

 presence^!' a yellowish nap. Head black, impressed with a sutnral line with a trans- 

 verse prominence or ridge at its base. Thorax marked with black oeulate spots "ii the 

 top and centre ; sides grayish, with a rectangular spot : below it is black. Elytra 

 clothed with a short nap, marked by about three narrow grayish zigzag lines, and 

 dashes "f the s;ime about the shoulders : towards the apex they are slightly Separated ; 

 and upon the apex, running up the suture, there is an obscure oblong gray spot. Be- 

 neath, black and glossy : legs black. 



