328 ELEMENTARY STUDIES IN INSECT LIFE 



order Hemiptera.) The very small circular scale not 

 easily detected; lives upon a large number of decid- 

 uous trees. 



Remedies. Frequent applications of kerosene emul- 

 sion during summer. Several applications of crude 

 petroleum during the dormant season. Avoid infested 

 stock. 



SCALE INSECTS. See under Plant-Lice. 



Squash. BORER. (Melittia ceto Westw. ; order 

 Lepidoptera.) The larva bores into the root or crown 

 of the squash and other plants of this family. The 

 parent moth flies by day. 



Remedies. When vines begin to run, cover the 

 fourth, fifth or sixth 'joints with earth, so that they 

 may take root and aid in supporting the plant. 



SQUASH BUG. (Anasa tnstis De Geer; order Hem- 

 iptera.) A flattened, rusty, ill-smelling bug, one-half 

 inch long ; pierces leaves with its sucking beak. Leaves 

 become yellow and die. 



Remedies. The insects will collect at night under 

 boards laid near the hills, and can be crushed. A thor- 

 ough spray with kerosene emulsion will kill the young 

 bugs. 



Strawberry. CROWN BORER. (Tyloderma fragance 

 Riley; order Coleoptera.) A white grub; bores into 

 the crown of the plant during the middle of summer. 



Remedy. Burn over field after fruit is gathered. 

 If this is unsuccessful, dig up plants and burn them. 



MAY BEETLE. See under M. 



LEAF ROLLER. (Phoxopteris comptana Frohl. ; order 

 Coleoptera.) Larva about one-half inch long; feeds on 



