58 GARDEN FOES. 



Kemedies. — (1) Undoubtedly' the best remedy is to spray 

 the limbs and branches of the trees in February with 

 Formulie Nos. 1 or 8. This will serve the double purpose 

 of destroying any lichens and mosses on the trunk and 

 branches, and at the same time kill weevils or larvie of 

 other pests hiding in the chinks or crevices of the bark. 

 (2) Or the trees may be sprayed in winter with Formula 

 No. T). 



Apple Sawfly (Hoplocampa testudinea).— TliiiS pest 

 causes injury to the young fruit of apples in pretty much 

 the same way as the Codlin Moth grub. The Sawfly is, 

 about one-quarter of an inch long, and has a black, shiny 

 body, with a reddish-yellow imderside, and transj^arent 

 wings. The sawflies appear about the same time as the 

 apple blossoms begin to expand, and then the females 

 deposit* their eggs in the centre of the flowers. From 

 these are hatched small pale maggots, which at once 

 begin to feed on the centre of the embryo fruit. As the 

 maggots increase in size, so they moult their skins, finally 

 appearing a creamy colour, with a pale chestnut head, 

 and measuring half an inch long. The maggot continues 

 to feed on the interior of the apple until it drops; then 

 it escapes and descends into the ground to enter into the 

 ])upal stage, in which it remains till the following May; 

 then appearing as a Sawfly, and commencing the process 

 of egg-laying. The injuries done by the Apple Sawfly 

 maggot may be easily distinguished from those done by 

 the Codlin Moth grub. The former do not make tunnels, 

 but simply eat out a cavity in the centre of the fruit; 

 whereas the latter form tunnels. 



liEMEDiEs.— (I) Needless to say, all fallen fruit should 

 at once be collected and burnt. On no account throw the 

 apples on to a heap, where there is a possibility of the 

 larvye forming pupae, and appearing next season as saw- 

 flies. (2) Spray the trees directly the apples are formed 

 with Paris Green solution (No. 11) or Arsenate of Soda 

 Wash (Formula No. 10). (3) If the trees are grown in 



