l'RuciiEi)iN(;s. 1!(14. 



List of Taisaxiu.e ix the Cou.kction of K. V. Habvey, Victokia. B.C.. l'.J14. 



t Male. t Females. 



Seasonal Prevalence of the Different Si'ecies. 



Chrynops nnctifrr. O. S.. is iiiv.-irialdy tlio first to make its nppoarauci'. I liavo 

 recorded it as early as .Vpril .'iotli ( 1010 i. Its season is nt its Iieight by the end of 

 JIny: its numbers then (limlnisU gradually, and by the middle of .Tune very few are 

 to he found. This fly bites cattle and liorscs on the flanks and .shoulders and is ,i 

 serious pest at times. 



