NOTES OP OBSERVATIONS 
OF 
INJURIOUS INSECTS 
AND 
COMMON CROP PESTS 
During 1890. 
APPLE. 
American Blight; Woolly Aphis. Schhoneura lanigera, Hausm. 
SCHIZONEURA LANIGERA. 
Woolly Aphis; infested Apple spray, nat. size; wingless viviparous female and 
young clothed with cottony fibres, above , and small egg-bearing female, beneath, the 
spray; pupa, with slight cottony growth ; all magnified.* 
The American Blight, or Woolly Apple Aphis, is an orchard-pest 
so widely distributed, and of such old standing, that it has seemed 
each year too well known to require special mention ; but still, as the 
inquiries that recur show that its history and methods of prevention 
* The above figure is acknowledged with thanks, as after 1 and 3, plate cv., and 
2 and 5, plate cvi., in ‘Brit Aphides,’ vol. iii., by G. B. Buckton, F.R.S. 
