58 



INJURIOUS INSECTS OF 1903. 



d. White woolly patches on the tzvigs, which are usually scarred: 

 WOOLLY APHIS. 



Fig. 32. — Woolly aphis {Schizoneura lanigera, Hausm). a, agamic female; b, larval 

 louse; c, pupa; d, winged female with antenna enlarged above; all greatly en- 

 larged and with waxy excretion removed. After Marlatt, Division of Entomology, 

 Dept. of Agriculture. 



Remedies: For the form found on trunk, branches and twigs; early 

 in season, when white patches begin to appear on the trunk and 

 branches, paint with pure kerosene or a very strong kerosene emulsion. 



e. Green, soft-bodied insects, in clusters on young grozvths, a)id par- 

 ticularly at ends of tzcigs and on underside of curled leaves: 

 APPLE APHIS OR "GREEN APHIS." 



Fig. 33. — Aphis mati, Fab.; winged viviparous female, apterous viviparous female. 



After Bruher. 



Remedies: The Lime-Sulfur-Salt wash will kill the eggs of the 

 Aphis in winter or early spring. 



