PLATE 11. 



Fig. 2. Photomicrograph of squash vine Ijorer eggs, x 24 foiiginal). 



Fig. 3. Newly hatched squash vine borer larva. Photomicrograph, x 13 foriginal). 



Fig. 4. a. Healthy squash stem. b. Badly infested squash stem. Note Ijurrows 



at " X." fPhoto by R. L. Coffin.) 

 Fig. 5. Centerof badly infested hill of squash. Note shredded condition of the bases 



of the stems. fPhoto by R. L. Coffin.) 



