Fig. 284. 



Fig 285. 



Fig. 283.- 



adult. 



Fig. 284.- 

 Fig. 285.- 

 Fig. 286.- 



wheat stalk 



d. . 



Fig 283. F 'S- 286 - 



■ Blackberry stem borer, Aridus trimaculatus : a, larva; /•, pupa; c, d, male and female 



-Blackberry canes bored by the larva of A. :<-maciilatiis. 

 -Raspberry canes bored by the larva of A. S-maculatus. 



-Wheat stem saw-fly, Astatus fiygmxus : a, larva in outline ; />, same, enlarged ; c, larva in 

 e, adult, enlarged ; /, a parasite infesting larva, also enlarged. 



