278 



JOURNAL OF AGRICULTUEE OF 1'. K. 



sioiially stopping to deposit eggs on the foliage, or to feed upon the 

 neetcU- of the flowery. These eggs soon hatch, and the larvse feed 

 upon Die foliage for a period of about two weeks, after which they 

 cliaii<ie to pup« and later to adults. 



Control. — This pest never heconies ex- 

 cessively abundant owing to the good work 

 of a small hymenopterous insect tliMt para- 

 sitizes the larvae. When troublesome, liow- 

 |V ever, it may be readily controlled by spray- 

 ing the affected plants with an arsenate of 

 lead spray, at the rate of one and a half 

 pounds of arsenate of lead to fifty gallons 

 of water. 



Fig. 33. — Beau Leaf -Hop- BEAN LEAP-W'EBBER {NacoUia inclliala) . 



])er (Empoasca mali). 

 Adult and enlarged The larva of this small pyralid motli is 



oV"Entomoioffy.) "^^^" always more or less abundant on the foliage 



of the bean. The small dirty-green colored 



larva webs the leaves together, living between them and skeletonizing 



them with its feeding. It has a very short life cycle and miiltiplies 



rapidly. 



Fro. 34. — Bean Lcaf'-Weljbev (A'dcolria iiidieaht). Male inotli. 

 l']iilnrged. (U. S. Riu-oau of Fii1()i)iolo<iv.) 



Tlie adult moth is golden yellow in color, llie two pairs of wings 

 being marked with several transverse, dark, wavy lines. 



(■onirol.— This ])est may be controlled by spraying the leaves with 

 •an arsenate of lo:id s])ray, two pounds of the poison to fifty gallons 

 of water. 



