240 



Insect Pests. 



These observations of Lewis, the most coinplete yet made on this 



pest, all teml to show how uecessary it is to gnili any bushes showing 



si'^n-i of bad infestation and the liaiid-picking of those showing traces 



of the disease. 



A I'Ei'UUAii Attack hf the Bin Bn> Mit>; ox Bed Cui;i!ANt«. 



A very curions attack of tlie big Imd mite was recorded by Mr. 



FIG. ISO.— .IBXuKM.VI. .VTTACK 



1.1. r. /). i;;,itni,i. 



*-\ KKi' (ri;i;.\Nl>;. 



Tiiomas Edwards of Grange, Gillingham, Kent, in Xovember 1900, 

 on red currant bushes. This was the second he had found (7). 



Later j\Ir. Edwards wrote me that he had had such a bad attack 

 of big bud in the black currants that he liad destroyed them by 

 burning. Tlie attacked red currants \vcre raised by himself and 

 not imported. 



The resulting disease caused by the mites presented such very 

 marked features that I decided to send the acari to Dr. Nalepa, of 

 Vienna, who reported that they were uudoubtedh" the J-Jrioi'lti/cs /■ihis, 

 Nalepa, which causes the " liig Imd " in black currants. 



