272 



INSECTS INFESTING THE HOP PLANT. 



the hind wings are bLick. On the under side of each hind 

 wing is a silvery character reseml^ling a semicolon ( ; ). The 

 fore-wings expand from two inches and six lines to two inches 

 and nine lines. 



Remedies. — Should the caterpillars appear on the vines, 

 spray thoroughly with No. 5 or 7 ; or No. 64, which is prefer- 

 able. Read No. 106 carefullv. 



CHAPTER CLXXXI. 



The Hop Aphis. (Cal.) 



(Fhorodon Jiuniuli. — Schrank.) 



Order, Hemiptera ; ? -n -i * 



o , 1 TT [ Family, Aphidid.e. 



bub-order, Homoptera ;) - ' 



[Living upon hopvines, usually near the terminal end, which 

 they puncture with their beaks and imbibe the sap ; small 

 yellowish-white or green plant-lice, sometimes marked with 

 black or brown.] 



The wingless lice (Fig. 256, 3 and 4,) are yellowish-wliito or 

 green. 



Fig. 256. 

 4 ^ 2 



Fig. 256. — Hop Aphis ; 4, a winirloss apliis, enlarged ; 3, tlio 

 same, natural size — color, yellowisli or green ; 2, a winged 

 aphis, enlarged ; 1, the same, natural size — colors, green, brown 

 and lilack. 



The winged lice (Fig. 256, 1 and 2,) are green, and the 

 females liave the head l)rown or black, and the thorax and 

 abdomen marked with dark ))r()wn or black. 



Remedies. — Use No. 5 or 7 ; or No. 64. which is preferable. 

 Read No. 106 carefull3\ 



