OF THE FARM AND GARDEN. 135 



CLOVER. 



In an invasion of the Rocky Mountain Locust or Grass- 

 hopper, the Clover suffers with most other green things, 

 but the generally voracious Army Worm, while it occa- 

 sionally nibbles at it, usually passes to more acceptable 

 plants. There are a few caterpillars of moths now and 

 then found upon Clover, but are regarded mainly as acci- 

 dental. Within a few years, it has been discovered that 



Fig. 90. LARVA, 



MAGNIFIED. 



. 91. CLOVER-SEED MIDGE, FEMALE FLY. 

 c, Ovipositor ; d, Joints of Feeler, enlarged. 



this important plant has two enemies, both of such a 

 destructive character as to demand attention, one, a 

 midge that destroys the seed, the other a borer that 

 injures the root, 



THE CLOVER-SEED MIDGE. 



(Cecidomyia trifolii, Riley.) 



This insect was described and figured in the " Ameri- 

 can Agriculturist" for July 1879. The larva (fig. 90, 

 much magnified), is of a bright orange-red color, lives 

 within the Clover-heads, and by exhausting them of 



