394 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



July and early in August. Graphops hibernates in the larval con- 

 dition, pupates in the spring, and emerges in May and June. The 



eggs are probably laid in 

 July, and the larvae make 

 their attack upon the 

 plant in August and Sep- 

 tember. . . " Forbes. 

 Thus the larvae of the 

 three species may be 

 found throughout the 

 season where all occur. 

 The beetles are about 

 one-eighth inch long and 

 may be distinguished as 

 follows, according t o 

 Bruner: "Colapsis brun- 

 nea is usually of a yel- 

 lowish clay color, but 

 ranges to yellowish- 

 brown. The body is 

 smooth but not shining. 

 Typophorus canellus is 

 usually shiny, black 

 above, varying to brown, 

 with four black blotches 

 on the wing-covers. The 

 legs and antennae are 

 always pale. Graphops 

 pubescens is either green 

 or purple with a bronze 

 metallic sheen, and has 

 the entire body more or 

 less covered with a gray 

 pubescence." The pupae 

 are all found in earthen 

 cells among the roots of 

 the plants . The b ee ties of 



FIG. 330. The strawberry root-borer (Typo- allthreespeciesfeedonthe 



phorus canellus Fab.) : adult and larva-very f oliage and when numer _ 

 greatly enlarged, hair line at right of beetle 



shows natural size. (After Pettit.) ous will attract attention. 



