FIG. 189. 



CRANBERRY WEEVIL 171 



insect (Clastoptera proteus Fitch) found in the spring in small 

 masses of froth-like secretion growing upon the shoots of the 

 cranberry. When mature the insect jumps like a flea. The vine 

 is weakened by the loss of sap. 

 Flooding is recommended. 



Attacking the Fruit. 



The Cranberry Fruit Worm. The caterpillar (Fig. 188) of this 

 moth (Mineola vacdnii Riley) is yellowish green in color. The 

 injury caused by it takes place in late summer, when it enters the 

 berries, eating the contents and causing Fia 188 

 them to turn prematurely red. In the 

 fall it becomes fully grown and buries L 

 itself in the ground, where a cocoon is 5 

 formed, covered with grains of sand. \! 



As with the preceding insect, flooding [i 

 appears to be the only remedy. 



The Cranberry Weevil. This is a C 

 reddish-brown beetle (Anthonomus sutur- ' 

 alis Lee.) with a dark-brown head and FlG - iss. The nberry fruit- 

 a beak or snout half as long as its body FlG - 189 - ~ 

 (Fig. 189). The complete length of the 

 insect, including the beak, is a little over one-eighth of an inch. 



It selects an expanding blossom bud, drills a hole into it with 

 its snout, and lays in the hole so made a pale yellow egg. The bud 

 is then cut off by the beetle, and, lying upon the ground, furnishes 

 shelter and food for the grub, which completes its transformation 

 within. Finally the new beetle emerges from a round hole in the 

 side of the decaying bud. 



Flooding with water is the remedy advised. 



QUESTIONS 



1. What do you regard as the most injurious insect enemies of strawberry 



growers? 



2. Give life history and remedies for the strawberry root-louse. 



3. Discuss the work of white grubs in connection with strawberries. 



4. Give life history and remedies for the strawberry weevil. 



5. What insects, normally beneficial, sometimes injure strawberries? 



6. Name three insects of importance which attack raspberries and black- 



berries; give life history and remedies for each. 



7. Give life history and remedies for the imported currant worm. 



8. What difficulties are met in combating the four-lined leaf-bug? 



9. What striking feature indicates the presence in injurious numbers of the 



currant plant louse? What is the reason for this? 



