Two Grape Pests. 



141 



Fig. 29. — The grape*blossom-hud gnat and its loork {enlarged). Compare the nor- 

 mal blossom-buds with the larger and darker buds. Two infested buds are more 

 enlarged and opened to show the maggots at work. One of the maggots is shown much 

 enlarged in lower part of the figure. 



