280 .lOTRNAL OF AGEICULTUEE OF P. E. 



In the field tlic ioiiiale weevils deposit eggs in small cavities eaten 

 out of the pod. Small white grnl)-like larvffi hatch in a few days 

 and complete their development within' the seeds. 



Practically nothing can be done to combat the weevils in the field, 

 but fortunately the injury there is comparatively slight, and it is only 

 after the seed has been gathered and stored that the real damage is 

 done. To prevent this the beans should be kept in airtight containers, 

 and should be fumigated whenever weevil injury is apparent. 



OTHER BEAN PESTS. 



Insects of minor importance that attack the bean are: aphids 

 (see General Feeders, page 269) ; plant bugs, Enschistus hifihulus; 

 and Piezodorus guildingi (see Tomato, page 310) ; Ecpaniheria 

 eridanus (see Celery, page 285) ; flea-beetles (see General Feeders, 

 page 271); grasshoppers, Schistocera columhina, Plectrotettir giu - 

 garius, etc. (see General Feeders, page 272) ; Laphygma frugipcrcla 

 which bores into the pods (see Corn, page 288) ; leaf-hoppers (see 

 General Feeders, page 272) ; red spider, Tetramjchus sp. (see Green 

 Peas, page 304) ; and thrips, page 305. 



BEETS. 



THE SOrTHKRN HKKT WEBWORX i PdcJniZd Held hipiinclalis) . 



This is a very common and abundant webworm on beets, chard, 

 and weeds of the genus Amaranlhus. It does considerable damage 

 to the beet, skeletonizing the leaves wiicre it webs thorn together to 

 form a feeding shelter. 



The adult is a small, glistening, yellowish-brown moth with a few 

 faint, transverse, wavy, dark lines across tlie wings. It deposits four 

 or five small, flat, over-lapping, scale-like eggs on a leaf at one time. 

 These hatch into small, yelloAvish larva^ that feed on tlic leaves for 

 about ten days before changing to pupa? and tiien to adults. 



Control. — The larva? nuiy be readily controlled by spraying the 

 plants with arsenate of lead, throe pounds in fifty gallons of water, 

 or by dusting them with a mixture of ofpial parts of arsenate of lead 

 and hydrated or air-sladed lime. 



THE SMATJi BEET WEBWORM {Zinclcenia fosciaUs) . 



The larva? of this moth occur froiiuontly along with those of the 

 preceding species, and although not so abundant, do the same kind 

 of damage, the webbing and skeletonizing of the loaves. 



