INSICCTS AFFECTIM; I'AKK AM) WOODLAND TKEIiS 5^3 



Status that thi^rc arc live or six generations annually in the vicinity of 

 Washington. He recommends the collecting and burning of infested 

 leaves before the insects escape. 



Fitch's oak leaf miner 



Lilliocollclcs Jilchclla Clem. 



This species works in much the same way as the preceding, except that 



its tentlike mines occur on th(- under surface of the leaves and are visi- 



**ble on both sides. Professor Comstock states that it is a \(,-ry common 



species on all kinds of oak at Washington and records the insect from 



Kirk wood Mo. 



Walking stick 



Diaphcroiitcra fcniorata Say 



Green or brown, sticklike insects sometimes measuring, exclusive of the antennae, ,5 

 inches in length, are more or less abundant in forests of deciduous trees in early autumn. 



Thi.; jjeculiar insect is a rather common form, though it frequently 

 escapes observation because of its general resemblance to a stick. The 

 \()uno- are green and closely mimic the color of the surroimding foliage, 

 while the adults as they age and the foliage turns, change from the green 

 to brown and towanl the end of the season mimic brown sticks. On this 

 account, in particular, specimens arouse considerable interest in the mind of 

 the finder, and rec[uests for identification and a brief account of its life 

 history and habits arc not infrequently made. 



Early history. This deliberate, slender insect appears perfectly harm- 

 less and as a ride it causes very little damage. Occasionally it becomes 

 excessively abundant and has been known to strip large areas. Prof. C. 

 \'. Rilc\-, in his report for the year 1 87S, gives several abstracts from inib- 

 lished reports of about that tlate, which are of considerable interest, par- 

 ticularly as they relate to depredations occurring in Xew York .State and 

 vicinity. Mr G. C. .Snow^ of Yates county X. \'.. published in the New 

 York Weekly 7'riiunie, Nov. 11, 1875, the following : 



I noticed about August 15th, in a reservation of young timber, mostly 

 white oak and hickory, a few trees having the appearance of being burned 



