302 



INSECTS INFESTING THE CUCUMBER. 



grown tliey measure about an inch and three lines in length ; 

 they then spin their cocoons among the leaves, and soon after- 

 wards assume the pupa form. The last brood pass the Win- 

 ter in the pupa state. 



The perfect moth (Fig. 207. Plate 4,) expand.'^ about an inch, 

 is of a pearly white color with a black stripe along the front 

 edge of the fore-\A'ings, and a similar stripe along the outer 

 edge of all the Avings. 



Remedies. — Use Nos. 20 and 14 ; spray thoroughly with No. 

 51 or 65. 



XSKCrS INFESTING THH CUCUMBHR 



CHAP. 

 The Striped Ciu'uinher-beetle (Diabrotira 



viltatti) 202 



The Cucumber Flea-beetle (Haltica fwu- 



merix) 203 



The Cucumber Aphis (Sip/ionop/iorrt nicrir- 



bilie) 204 



The Pickle Worm (PhwoUura iiHidnlU). .Wh 



The Melon Worm ( Phacellura hyalinitalU), 

 also infests the Cucumber. 



ClIAr'I'KK cell. 



The Striped Cucumber-beetle. (Cal.) 



{Didhroticn vittdta. — ( )li\-icr.) 



SYNOxv>f — dalcrnca riitata. 



Order. ('olk(>ptp:ha ; Family. Chrv.somelid.t:. 



[Living in the stems of eucunil)er. melon and squash vines; 

 a slender whitish six-legged grub, about four lines long, with 

 a brownisb-lilack iiead, and a spot of the same color on the 

 last segment; linaily i-linnging into a Vfllowisb Iraf-eating 

 beetle (Fig. 2US) about three lines long, and having two black 

 dots on the thorax and three blaek stripes on the wing-cases. J 



