22 The Horticulturists Rule- Book, 



Bag- Worm or Basket-Worm, continued. 



In winter the bags, empty or containing eggs, are conspicu- 

 ous, hanging from the branches. 

 Remedies . — Hand-picking. Arsenites . 

 Bark-Lice. See under Aphides. 

 Blackberry. Cane-Borer. See under Raspberry. 

 Root Gall-Fly. See under Raspberry. 

 Snowy Cricket. See under Raspberry. 

 Blister-Beetle (Lytta, two or three species). Soft-shelled, long- 

 necked and slim black or gray spry beetles, feeding upon the 

 leaves of many trees and garden plants. 

 Remedies. — Arsenites. Jarring. 

 Cabbage. Cabbage-Worm, or Cabbage-Butterfly (Pieris rapce, 

 Linn.). — Larva an inch long, green with yellow and black 

 markings, feeding upon the heads ; two broods. 



Remedies. — Pyrethrum mixed with flour, or in water decoc- 

 tion. Hot water (temperature from 140° to 160°), applied 

 forcibly in a fine spray. Kerosene emulsion. Lye wash. Ar- 

 senites : 1 ounce Paris green or London purple to 6 pounds 

 flour, applied while the plant is wet ; should not be used after 

 the plant begins to head. Salt water sprinkled into the 

 head. Pyrethrum, dry or in decoction. 

 Green Lettuce-Worm. See under Lettuce. 

 Harlequin Cabbage-Bug (Strachia histrionica, Halm). — Bug 

 about a half inch long, gaudily colored with orange dots and 

 stripes over a blue-black ground, feeding upon cabbage ; two 

 to six broods. 



Remedies. — Hand-picking. Place blocks about the patch 

 and the bugs will collect under them. In the fall make small 

 piles of the rubbish in the patch and burn them at the ap- 

 proach of winter. 

 Maggot (Anthomyia brassicce, Bouch6). — A minute white mag- 

 got, the larva of a small fly, eating into the crown and roots 

 of young cabbage and cauliflower and turnip plants. 



Remedies. — There are no remedies specific for the pest; the 

 best one can do is to remove the plantation to a new plot, as 

 far away as possible, each year. When the plants are in a 

 hotbed, maggots can be destroyed by inserting bisulphide 

 of carbon into the soil. Puddle the plants when transplant- 

 ing in a puddle to which sulphur has been added, and 

 sprinkle sulphur about the plants after they are set. Liquid 



