Insects, etc., Injurious to the Strawberry. 



475 



decay ; the leaves in some I have noticed become rather crinkled and 

 deformed, and numbers shrivel and die. 



Specimens showing this eelworm as undoubtedly the cause of 

 decay have been received from several places in Kent and from 



d. 



FIG. 310. THE ROOT EELWORM (Tylencltus devastatrix). 



ft, adult male ; b, cephalic end, showing mouth spine ; c, adult female ; d, ovum and embryo 



(all greatly enlarged) ; e, group of worms (much enlarged). 



(After Ritzema Bos.) 



near Worcester. Mr. Emptage informs me he has had plants 

 showing this disease sent from several localities in Britain. 



This eelworm is the cause of tulip root in oats ; it is also the 

 cause of disease in onions, clover, hyacinths, etc. 



As far as personal observations go it also exists in large numbers 

 in decaying roots ; it may often be found in decaying hop roots, in 

 decaying cabbage stumps, etc. 



