INJURIOUS TO MELONS, CUCUMBERS, SQUASH, ETC. 391 



the nymphs may be destroyed by spraying with kerosene emulsion. 

 The adult bugs may be readily trapped by placing small pieces 

 of board or similar shelter near the vines, under which they will 

 hide at night and from which they may be gathered in the early 



FIG. 281. The squash-bug: o, ma- 

 ture female; b, side view of head 

 showing beak; c, abdominal seg- 

 ments of male; d, same of female; 

 a, twice natural size; b, c, d, more 

 enlarged. (After Chittenden, U.S 

 Dept. Agr.) 



FIG. 282. The squash-bug: adult at 

 left, and different stages of nymphs 

 about 1^ times natural size. 

 (Photo by Quaintance.) 



morning. Cucumbers and melons may be protected by planting 

 early squash among them, as the bugs prefer the squash, from 

 which they may be collected. Cleaning up the vines in the fall 

 is evidently of importance in reducing the number which will 

 hibernate. 



The Squash Ladybird * 



Although almost all of the ladybird beetles are exceedingly 

 beneficial, this species, with its near relative the bean-ladybird 

 (page 315,) are the exceptions which prove the rule, being the only 



* Epilachna borealis Fab. Family Coccinellidce . See F. H. Chittenden, 

 Bulletin 19, n. s., Div. Ent., U. S. Dept. Agr.; J. B. Smith, Bulletin 94, N. J. 

 Agr. Exp. Sta. 



