78 



r>.r. EXTOIIOLOCK'AL Soi'IETV. 



is "■ presenf to nii cxtrMm-iliiiiiry ili'u'i'rc in every nrdiiird nr iiiirsi-ry \•i^i:^■ll in the 

 Victoria Distrirt." 



In tiie year IS'.lt* this aphis c.intiniKd to increase and \n spread its area ef 

 inl'eslal ii)n on tlie I, ewer .Mainland. W this time it was net known to oe(air in 

 tlu' (llcanaj;an N'alli'y. exeeiit at ()l;anai;an .Mission, wliere. it was snpjiosed. a few 

 specimens existed in is'.lo. Fruit-iirowers in tlie valley at the time were advised to 

 '■ e.xelude tliis pest from tlieir midst" and |o nse care in the selection of nursery 

 stoelc for fear of its introduction. l-"or many years the Okanaixnn A'alley remained 

 free from this pesl. lait there is no evidence to show any sjii-ead from orifjinal 

 points of introdnction. In llirj Mr. W. II. Ilritlaiii synopsized ihe situation in the 

 Okana^'an \'alley as follows; " b'airly common everywhere lliron.t;liout the season 

 . . . no root forms seen . . . not a serious ]iest in wcll-cared-for orclnirds."t 

 In passing', it is interestini: to note in tlie same report that Mr. M. S. >Iiddlelon. 

 Assistant rrovimial Horticulturist, stationed at .Xelson. B.C. makes the statement 

 that the aphis lias not made its appearance in the Konteiiay Valleys. 



Slio 



tlic 



applo-leaves in late siiimiiri jimI 

 the under-side witli the l:ii\:i i>c( 

 two leaves show the wnii. ^.i ih. 

 surface. As the leaves I'nniiinni .■ i 

 to some sheltered crevice ou the twi, 

 liver-winters. (Thoto by R. C. T. ) 



ilf Ihe llUil- 



truuli of th.' tr 



Lllture. 18!)4. ■■ 111 



111 Soeiely. No. :;. HU2 



