Addresses — Injuries to the Apple and Grape. 231 



two conspicuous scarlet bands on the second and third rings, and 

 on each of these bands there is a black dot. They have warts 

 projecting from their sides, covered with gray hairs, some of which 

 are tipped with white knobs. These hairy lateral warts look some- 

 what like lappets, hence the name Lappet moth. The underside 

 of the worm is ornamented with a row of diamond shaped black 

 spots. These caterpillars feed only at night and remain at rest 

 during the day, stretched out on the limbs motionless, in which po- 

 sition they are hard to see. The moth which I exhibit is a male; 

 the female is at least twice as large. This is a rare insect in the 

 eastern states, but if I am not greatly mistaken, it will prove to be 

 entirely too abundant in Wisconsin. 



The apple tree Tent moth, Clisocampa Americana. The Tent 

 caterpillar is so well known that a description is hardly necessary. 

 The shining tent, constructed by the united labor of all, is so 

 conspicuous that no one is deserving of pity who will permit his 

 orchard to be overrun and destroyed by these pests. A light step- 

 ladder and a stout pair of gloves are the best implements to com- 

 bat this enemy. Before nine in the morning or after four in the 

 afternoon, you will always find them at home snugly housed, or 

 rather tented. The eggs, deposited near the end of the small 

 branches, are so easy to see, that with care, any time in the winter 

 or early spring, these egg masses can be gathered and destroyed, 

 thus nipping them literally in the bud. I exhibit the egg masses; 

 they contain from 300 to 400 eggs each. 



There is another closely allied species — Clisocampa Sylvatica — 

 which is generally confined to the forest, yet, in exceptional cases, 

 they have been found in the orchard. This species can readily be 

 known by the dorsal stripe on the caterpillar. This stripe is con- 

 tinuous, of uniform width, while in the forest species each ring has 

 an exclamation point on it, or as one has said, a " ten pin." Per- 

 haps the individual was more familiar with ten pins than the more 

 literary character. Harris, Fitch and Riley may be consulted for a 

 more detailed description. 



We have two species of canker-worm infesting the apple tree — 

 the fall canker-worm, Anisopteryx autumnata, and the spring 

 canker-worm, Anisopteryx vernata. These two species of geom- 

 eters do great damage to our apple orchards. The females are 

 without wings and hence we have more control over them. Not 



