68 FRUIT CULTURE. 



weaker in the early stage of the worm than 

 when it is more mature. So successful has this 

 application proved during the past season, that 

 a gentleman who has had experience in its use 

 has offered to clear orchards from the pest at 

 the rate of ten cents per tree, and thinks it can 

 be done at half that cost. The point is to secure 

 an emulsion which will afterwards mix with 

 water without separating. It is believed this 

 will prove to be one of the cheapest and most 

 effective insect destroyers we now have. As this 

 evil is still local and is comparatively slow in 

 spreading, owing to the disability of the female 

 moth, and as it is possible, by combined effort, 

 utterly to exterminate the insect, it is a question 

 whether legislative penalties should not be im- 

 posed upon those who neglect their trees. 



Fall -Web Worm (Hyphantria textor). At 

 the South there are two generations of this worm, 

 but at the North the moth deposits its eggs in 

 broad patches on the under sides of the leaves in 

 early June. The larvaB soon hatch and feed in 

 clusters, covering their entire feeding ground 

 with a silken web. When full grown they are 

 about an inch in length, and are covered with 

 long straight hairs. At this stage they suddenly 

 scatter and feed in all directions, descending to 

 the ground and forming their cocoons in Septem- 



