Proceedings, l!)'i3 167 



It lias been friMiuetit ly (ihserved. in examininir scales for the jji-esenee 

 (if this mite, that the only indication of its work will be a cluster of eggs 

 lying just beneath the caudal margin of the scale, the parent that deposit- 

 ed them having evidently moved off to some other location. Tlie number 

 of eggs laid by a single female does not appear to be known, Init, from 

 information gleaned during the work with the mite at Vernon, it would 

 appear that individual females deposited a few eggs beneath a number 

 of scales, as the eggs when found varied in numbers from half a dozen 

 to fifteen or twenty. Between May 7th and 18th, 119 scales were examined 

 for the presence of the mite, these scales being taken from varimis locali- 

 ties in the mite-infested area; it was found that mites were i)resent be- 

 neath 22 of them, six individuals being the greatest number seen beneath 

 a single scale. The fact that this mite feeds upon the San Jose Scale 

 has ijeeii well established. Mr. Dearness, in 1899, received samples of 

 tills scale from Kent County, Ontario, and found numbers of the mite 

 feeding upon the mature female scale insects, as many as eighteen larval 

 mites being observed beneath a single scale. 



Various other species of mites will be encountei-ed beneath the empty 

 scales of the oyster shell scale; among these may be noted two species 

 known to occur in British ('olumbia, Tydeus gloveri, a gregarious species, 

 which may be found to the iiuiiiher of l.") or 20 beneath a single scale; 

 this species is recogiiizaine by tlie median line on the Jibdoinen. 



A species of Gamasus will also be found hibernating beneath the 

 empty scales; this is a fairly large mite, possessing two conspicuous 

 whitish markings extending almost the whole length of the bodv. 



INSECTS OF ECONOMIC IMPORTANCE IN THE 

 FRASER VALLEY IN 1921 



By R. Glendennin(;, Entomological L.\boratory, Agassiz, B. C. 



On several occasions in the past ten years, since the resuscitation of 

 the Society, members have given jiapers dealing in a general way with 

 insect conditions during that year in the various districts that they hap- 

 pened to be located in. 



These may be found in the Proceedings under such titles as: "Report 

 from Vancouver," "Rejiort from Okanagan District," "Insects of the 

 Lower Fraser Valley," etc., etc., and have been contributed by such 

 respected members of our Society as the lale Messrs. Thos. Cunningham 

 and Tom Wilson, Messrs. Treherne, Ruhman, Venables, Brittain, and 

 others. Tliese papers, with the Reviews of Applied Entomology con- 

 tributed from time to time by Mr. Treherne, while possibly of only pass- 

 ing interest at the time, will undoubtedly form a very valuable history 

 of Economic Entomology in this Province, their value increasing with 

 age. 



