INSECTS INJURING OAK-LEAVES. 195 



272. Cenopis pettitana (Robinson). 



The caterpillar of this variable species is said by Miss Murtfeldt to 

 feed ou the oak, hickory, and rose. 



Professor Riley fouud at the same time (May 15, 1869) as Gacoecia 

 argyrospila, a large grass-greeu oak roller with a black head and a pale 

 brown cervical shield and bluish dorsal line, with the thoracic legs 

 black. June 3, 1869, five moths issued. 



Zeller (November 20, 1871) says it is near the European Xanthosetia 

 haniana, but differs. 



Several of them entered the chrysalis s'^ate May 26, 1869. 



October 9, ]872, received from Manhattan, Kans., a larva feeding on 

 oak, which possesses several of the characteristics of Perophora mel- 

 sheunerii. (Riley's unpublished notes.) 



Larva. — Length, .625 of an inch ; diameter about .10 across the head, which is the 

 broadest part. Pale yellowish green, somewhat flattened, flue, medio-dorsal line, 

 piliferous spots on dorsum very minute, sides somewhat tuberculated, with con- 

 spicuous longitudinal row of long, stifi" brown hairs arising from brown plates. 

 Head large, dark brown, not polished, horizontal. First segment horny, pale brown, 

 constricted behind, roughened like the head with dense minute punctures. Anal 

 plate orbicular, large, horny, with a glistening whitish punctured surface, with two 

 conspicuous purple-brown spots and a dark longitudinal dorsal line. Larva forms a 

 case of web- work on the leaf or between two leaves. Moths issued in early May. 



Pupa. — Diff'ers materially from that of Cacoecia argyrospila. It is .55 of an inch in 

 length. The antennre and legs reach exactly as far as wing sheaths. The color is 

 very dark brown, and after the moth has left the posterior third behind last row of 

 teeth is of a lighter reddish brown in contrast. Two rows of teeth on principal 

 abdominal segments, as in CacoRcia argyrospila. The extremity is blunt with scarcely 

 any hooks visible, though occasionally a very flue one may be seen. (Riley's unpub- 

 lished notes.) 



Moth. —Fore wings very pale yellow. Costa in the male with two patches of 

 brownish ocherous scales at the basal and apical third. Expanse of wings, 22 to 

 28™™. (Robinson). 



273. THE RED-BAXDEI) LEAF ROLLER. 



Lophoderus iriferanus (Walk.). 



Order Lepidoptera ; family Tortricid^. 



Probably originally feeding on the oak, elm, and maple, as well as the 

 cranberry. The caterpillar occasionally damages clover, corn, straw- 

 berry, bean, etc. The following notes are copied from Forbes' 3d Rep. 

 Ins. Illinois : 



This species occurs somewhat rarely in Illinois, and has not been reported through- 

 out its wide range to do any injury except to the cranberry in Massachusetts, where 

 its larva is locally known as one of the cranberry worms. We bred it, however, 

 daring this past season from pale-green leaf-rollers in young corn, and consequently 

 may regard it as worthy of brief mention, especially as its local abundance in cran- 

 berry plantations in Massachusetts would indicate a capacity for excessive multipli- 

 cation which makes it a possible source of danger in the great corn-flelds of the 

 Mississippi Valley, 



The presence of this larva and of that of the sulphur leaf -roller, just treated, is 

 indicated in corn-fields by the folding lengthwise or rolling of the leaves in May and 



