IMPERIAL BUREAU OF ENTOMOLOGY. 



REVIEW 



OF 



APPLIED ENTOMOLOGY. 



Series A. 



Vol. VIII.] [1920. 



Morris (F.). Report on Insects for the Year ; Division no. 5, 

 Peterborough District.— ^5^7^ Atm. Rept. Entom. Soc. Ontario 

 1918 ; Toronto, 1919, pp. 17-19. [Received 28th October 1919.] 



This report deals chiefly with Cerambycids as in the previous year 

 [A.E.R., A, vii, 26]. 



Noble (J. W.). Report on Insects for the Year ; Division no. 6, 

 'Essex District.— 4.9^/i Ann. Rept. Entom. Soc. Ontario 1918; 

 Toronto, 1919, pp. 19-20. [Received 28th October 1919.] 



Grasshoppers and crickets appeared in greater abundance than in 

 previous years ; the numbers of cutworms in certain areas necessitated 

 the replanting of tobacco. A number of the usual fruit and vegetable 

 pests are recorded. 



Ross (W. A.). & Caesar (L.). Insects of the Season in Ontario.— 

 49th Ann. Rept. Entom. Soc. Ontario; 1918 Toronto, 1919, pp. 

 23-27. [Received 28th October 1919.] 



The pests recorded include Aspidiotiis perniciosus (San Jose scale), 

 which was destroyed in large numbers by the severe winter of 1917-18 ; 

 Aphis pomi (green apple aphis), which was kept under control by the 

 dry weather and insect enemies; Hemerocampa leucostigma (white- 

 marked tussock moth), which was very abundant but was also heavily 

 parasitised ; Eriocampoides limacina {Caliroa cerasi) (pear and cherry 

 slug), which caused severe damage to pear and plum trees, but was 

 heavily parasitised by Trichogramma minutum, RUey ; Psylla pyricola 

 (pear psylla) ; Tortrix argijrospila (fruit-tree leaf -roller) ; RJmgolelis 

 cingulata and R. fausta (cherry fruit-flies), the Braconid parasite, 

 Opius ferrugineus, Gahan, being found ovipositing in maggot-infested 



(633) Wt.P 1921/144 1,500. 1.20. B.&F.Ltd. Gp. 11/14. A 



