Insects, etc.. Injurious to the Strmcherry. 



473 



Life-History and Habits. 

 ^The minute worms vary in the female from 0*75 to 0-80 mm., 

 in the male from 0-6 to 0-85 mm. in length; in colour they are 

 white, and, as in all eelworm plant-feeders, they have an oral stylet, 



[F. Edi-mh-n. 

 FIG. 300.— STKAWBERRY PLANT ATTACKED BY EELWORM {AphelenchuS fraiJUfhr). 



(One-third natural size.) 



which is small in this species. For full details the student is 

 referred to Eitzema Bos's paper (3). The worms breed and re- 

 produce in the plants. The main stem of the plant grows up, but 

 suddenly branches ' vigorously, and these branches remain united in 



