CHAPTER XXII. 

 INSECTS AND THEIR ALLIES. 



By 

 E. M. WALKER, B.A., M.B. 



JUDGING from its insect fauna, Toronto lies 

 approximately on the boundary line between the 

 Transition and Upper Austral Zones of Merriam. 

 A number of species common in the Niagara Penin- 

 sula reach their northern limits in about this vicinity, 

 particularly in the Don and Humber Valleys and in 

 the sandy uplands of High Park and the adjoining 

 country. 



Ten years ago it was not necessary for the ento- 

 mologist to travel far beyond the city limits in order 

 to secure a good representation of the species of any 

 order of insects native to the Toronto district. With 

 the rapid growth of the suburbs of late years, how- 

 ever, many of the old hunting grounds have been 

 cut up by new streets and converted into building 

 lots, golf-grounds, etc., so that the entomologist must 

 now go farther and farther afield in order to provide 

 himself with specimens of all the species that once 

 were obtainable within the city limits. 



For general collecting the old Belt Line and the 

 Humber, Don and Credit Valleys, Highland and 

 Black Creeks are to be recommended. For species 

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