XIX 



A CONDENSED LIST OF INJURIOUS INSECTS 



with brief general indications of the type of injury and of 

 the means of control. The letters and figures after the names 

 are those of the following key tables: 



Thysanura 



1. The fish moth. G;l 



Plecoptera 



2. The bud-eating stonefly. 



Orthoptera 



3. Cockroaches. G;5,8 



4. Crickets, ground. E;J;1 



5. Crickets, mole. B;5,<5,10 



6. Crickets, tree. A,E;1,8 



7. Grasshoppers. E;l,8 



8. Walking-sticks. E;l 



Isoptera 



9. Termites. A;3 



Mallophaga 

 10. Bird lice. I;4 



Corrodentia 

 E;l 11. Book lice. G;l,4 



Thysanoptera 



12. Thrips. E;2,3,6 



Dermaptera 



13. Earwigs. B,C,E;1,5 



Anoplura 



14. True lice (human). H;4,8 

 " 15. Stock lice. I;4 



Hemiptera 

 16. Aphids (above ground). E;2,3,9 



151 



