Insects and Other Foes. 93 



ably sure remedy. Hand-picking is a rather tedious operation, 

 and only practicable in a small patch. Cutting the affected tops, 

 removing and burning them is often practiced with good effect. 

 Dusting with tobacco dust, or spraying with the kerosene emul- 

 sion, are also reasonably safe remedies. 



BEAN WEEVIL (Bruchus obsoletus). This insect has become 

 a really more formidable foe to the grower of beans, peas, and 

 other leguminous plants, than even its much larger relative, the 

 pea weevil. It devours the seeds of nearly all plants of the 

 pulse family with apparent equal relish, but is easily enough 

 managed. Simply throw the beans or peas as soon as gathered 

 and threshed for a few seconds into boiling water. This will 

 kill the larvae of either weevil contained in them. Seed beans 

 and peas should always be treated in this way to guard against 

 injury to the next crop. Old seed is always free from bugs, and 

 by its use all danger of carrying the pest to new fields in the seed 

 is averted. It may be a good plan to tie up beans and peas 

 intended for seed tightly and securely in stout paper bags, and to 

 keep them over without opening the bags, until the second year. 

 The bugs will then have died without living issue. The larvae 

 can also be destroyed by exposing the seeds in a closed vessel, 

 box or barrel, to the fumes of turpentine, or bisulphide of 

 carbon, or by mixing with them a small quantity of fresh insect 

 powder. 



The Ohio Experiment Station finds that the exposure of 

 the infested seed for one hour to a temperature of 145 degrees 

 Fahrenheit destroys the larvae without injuring the germinative 

 quality of the seed. An ordinary gasoline stove oven, with a 

 lighted kerosene lamp beneath it, was used in conducting the 

 experiments. Only a very small flame is needed to produce the 

 required amount of heat. To be of most benefit, this remedy 

 must be applied as soon as possible after the beans or peas are 

 fully ripe. 



CABBAGE PLUSIA (sometimes called green lettuce worm). It 

 is the caterpillar of a pretty moth (Plusia Brassicce), and sometimes 

 does serious injury to cabbage, lettuce, celery, endive, sage and 

 some flowers. It is a ravenous eater, and in cabbages and lettuce 

 bores clear through to the hearts, and prefers to feed from the 

 inside rather than the outside. For this reason it is not so easily 

 reached with insecticides as the green cabbage worm. Try 

 buhach and careful hand picking. 



CABBAGE MAGGOT. See Radish Fly. 



CABBAGE WORM. The larva of the cabbage butterfly (Pieris 

 raphce), shown on next page, has for many years been the 

 most serious obstacle to the home production of cabbages, and 

 yet few insect foes are so easily kept in check as this. The 

 butterfly is double-brooded. The first brood is seen flitting about 



