FAMILY CERAMBYCIDiE. 119 



This species I found in many jmrt-; of this Stale in Juno, and supposed it common. Al- 

 though very peculiarly marked, I have been unalde to satisfy myself as yet what name it 

 has received. 



Clvtis . ( Plate viii, fig. 1.) 



Color rufescent, c >vered with prostrate hair : head black ; thorax grayish, from the lighter 



colored hair : elytra purplish brown, with three bands of lighter, the basal obscure, 



the apicial ones continent on the elytral suture. All the thighs dilated and roliust. 



This C/ytus is obscurely niark»>il ; and though it may be descril)ed, it differs much from 



those in my possession, and from accessible descriiitious. The bands spoken of are brought 



out more distinctly in the figure tlian they appear in the S]iecimens : the same remark 



will apply to the round black spot upon the base of the elytra ; and, besides, I may add 



that the side of the trunk is marked by a distinct luteous spot, and another smaller one 



at the base of the midille legs. 



Genus SAPEKDA ( Fad.). 

 Head vertical, as broad as the thorax, slightly compressed at the sides or cylindrical, 

 destitute of lateral spines : antenna; filiform, and terminating in an elongated joint. 



The Genus Saperd.\ contains several species known to be injurious to the interests of 

 husbandry. Most of them are rather sluggish in their mature state, manifest far less 

 activity than many other insects, and rarely attempt to escape when in danger of I^eing 

 captured. Some of them frequent fiowers, but I belive all deposit their eggs upon trees or 

 shrubs. When the eggs are hatched, the young larvse penetrate the bark and wood, and 

 injure very materially the growth of the tree in which they reside ; and as they are ge- 

 nerally two or more years in coming to maturity, their hurtful effects are proportionally 

 augmented. The larva feed upon the wood as they penetrate it, and derive their nutriment 

 from the juices it contains. Their excrement appears like sawdust ; retaining in fact the 

 c<-)lor of the wood, after it has sufliced to nourish them, and has passed through their 

 bodies. Their form is tliat which is common to the tribe, the rings near the head being 

 wider than those of the rest of the animal. The head is usually scaly, and is retractile in 

 part within the first ring : it is supplied necessarily with strong jaws, in order that the 

 insect may eat its way into the wootl. Their food is constantly before them in their path ; 

 and it is a very curious fact, that though they may make their way into the wood, yet 

 they usually direct their course towards the outside when about to change from the larva 

 to the inuigo state. The larva; are without legs, soft, white or yellowish white, elongated, 

 and more or less flattened. 



One of the m')St destructive of these species is the larva of the Sapcrda Candida. This 



