40 





In May, June or July the insect becomes a pupa, which is always 

 found lying very near the outside opening — which the larva has 

 made by eating through the hard wood and bark before assuming the 

 pupa state. The cocoon, when it has one, is made of its own droppings. 



These insects seem to attack the red currant more generally, yet the 

 black variety, and even the gooseberry is not exempt from their 

 attacks. Not only do the broken stems, so weakened as to be unable 

 to stand upright, but also the sickly appearance of the foliage, tell 

 of this insect's presence and work. Bending the stalks will also gen- 

 erally give the needed information, as the affected ones bend the more 

 readily. The hollows in the stalks will inform us of their previous 

 or present work. This is an imported species and, as a rule, they are 

 more destructive than those which are native. 



Remedies. — The best remedy for counteracting these insects is to 

 cut off the infested parts and burn them. This should be done in the 

 spring, about May 20 ; if later some of the earliest moths might es- 

 cape,if earlier the pruner could not discriminate so wisely between 

 healthy and diseased stems. 



Aegeria pyri Harr — Pear Tree Aegeria. 



The larva? live under the bark of .the trunk of the pear tree. The 

 perfect insect is much like the moth of the currant-borer. 



Aegeria acerni Clemens — Maple Tree Aegeria. 



The larvae burrow under the bark of the soft maple, but never pene- 

 trate deeply into the solid wood. 



The perfect insect is about one-half an inch long, and expands 

 about three-fourths of an inch ; thorax, ochre-yellow ; abdomen, blu- 

 ish black, varied with yellowish ; fore wings with margins and med- 

 ian vein bluish black. 



Whitewashing has been recommended. 



Aegeria rubi Riley — Raspberry Root Borer. 



The larva? work in the lower part of the canes of the raspberry and 

 blackberry. 



The larva attains an inch or more in length when fully grown; is 

 of a pale yellow, with a dark reddish brown head; dwells mostly in 

 the root, but burrows in the cane, often several inches above the 

 ground. 



The moth has the front wings bordered with rusty brown, and the 

 body marked with yellow and black — these colors on the abdomen 

 forming alternate rings; expanse from one to one and one-fourth of 

 an inch ; it comes out in August and September. 



The only remedy appears to be to dig out, in the Bpring, the infested 

 roots and burn them. 



