164 



GARDEN FOES. 



Eemedies. — Hiiiul-i)icking in tlie caise of those larvjie that 

 feed on the f'oHage hy day is the mcst effectual remedy. 

 Syringing with quassia and soft soap (Formuh^ 14) would 

 also be efficacious if applied before the larva^ have ad- 

 vanced far in size. In the case of those larva' that inhabit 

 the soil, dresisingfs. of Apterite, Kilogrub, or Yaporite dug 

 well in would suffocate most of them. In any case, apply 

 a soil fumigant in autumn to destroy any pupa present. 



CELE1{Y FLY AND MAGGOT. 



The maggot can be seen in the leaf. 



Frecjuent hoeing of the soil to harass and worry the pests 

 would bo advit^able also. 



Celery Fly (Tephritis onopordinus).— This insect 

 attacks the leaves of parsnips, celery, and parsley. The fly 

 is about one-sixth of an inch long, of a brown colour, with 

 two transparent wings and green eyes. The female deposits 

 her eggs within the skin of the celery leaves, where they 



