258 



INSECTS INFEST I NO THE ROSE BUSH. 



roddisli; autennu', six-joiuted ; two 

 Fig. 242. 



thirds a.s widf ; color, 

 anal setae, but very fine 



Fig. 242.— Rose 

 Scale-insect (male, 

 greatly enlarged) — 

 color, yellow. 



The scale of the 

 female insect (Fig. 

 241, la.) is circu- 

 lar, or nearly so ; 

 color, snowy white ; 

 length, fro\n one 

 line to one and one 

 quarter lines ; exuviic or cast skin to one side of the center. 



Remediks. — Xo. o or 4; but Xo. 5, 6, or 7 arc prefcralde. 



Fi?. 243. 



CHAPTER CLXVIl. 



The Rose Aphis. (Cal.) 



( Siphonophoru rasa'. — Reaumur. ) 



Order, Hemiptera ; '( ,, ., » ^„ , „ „ 



bub-order, Homoptera ; ) •' ' 



[Living on the stems and leaves of the rosebush, which they 

 puncture Avith their beaks and extract the sap ; small green or 

 reddish plant-lice, usually marked with blai-k or brown.] 



Fig. 248. — Wing of Aphis, 

 showing venation. 



Tlic wingless lice are green 

 in color, exeei)ting one vari- 

 ety. \\bicli is reddish. The 

 winged lice (Fig. 24."), wing,) 

 ai'e green, tlie liead Mud tho- 

 rax brown or l)lack. the abdo- 

 men marked with brown or 

 black. 



PiKMEDiEs. — Use Xo. 64 ; 

 Xo. 8 or 4 is very efiective,"but 5 or 7 is better. Xt). 83 or Xo. 

 85 are excellent. 



I 



