324 



INSECTS INFESTING TEE CABBAGE. 



CHAPTER CCXXI. 

 The Cabbage Plusia. (Cal.) 



( riiisin hrassicci'. — Iviley. ) 

 Order, Lepidoptera ; Family. Noctiid.'E. 



[Feeding upon cabbages and lettuce ; a naked green twelve- 

 legged worm, dotted with white and marked with white lines.] 



This caterpillar (Fig. 330a) arches up its back slightly when 

 walking ; it is of a yellowish-green color, sparsely dotted with 

 white, and marked on the back with a dark line, on each side 

 of which are three whitish lines ; the head is green, and is 

 miirked on each side with five black eyelets, which are scarcely 

 noticeable with the naked eye. 



Fig. 3 30.— Cab- ' Fig. 330. 



bage Plusia ; a, the 

 caterpillar — color, 

 green with white 

 lines ; b, the pupa in 

 its cocoon — color, 

 brown ; c. the moth 

 — color, g r a y i s h - 

 brown. 



When about to 

 pu|)ate it spins a 

 thin wliitish cocoon 

 (Fig. ;>3(l/;) in some 

 sheltered place, fre- 

 quenth' among the 

 leaves of the plant it infests. The perfect moth (Fig. 33()r) 

 expands from an inch and three lines to an inch and six lines ; 

 the fore-wings are dusky gray, inclining to brown, variegated 

 with light grayish-brown, and near the middle of each is a 

 small oval spot and a somewhat V shaped silvery mark. 

 These insects may be found during the greater part of the 

 year, there l)eing at least three broods ])roduced in one season ; 

 the last brood hibernating as half grown worms. 



Remedies. — Use same as in Chapter CCXIX. 



