Insects, etc., Injurious to the Straivberry. 473 



LlFE-HlSTORY AND HABITS. 



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

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

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



(F. Edemlen. 



FIG. 309. STRAWBERRY PLANT ATTACKED BY EELWORM (Aphelenchus fragario'). 

 (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 



