INJURIOUS INSECTS 



tion of the material is dependent upon the mechanism 

 of the pump, the formation of the proper spray or mist 

 upon the nozzle, and the force of the pump. The tank 

 or receptacle for the liquid insecticide can conform to 

 requirements. It may be a small bucket, a barrel, or a 

 tank 011 wheels. 



INJURIOUS INSECTS. 



Ants. (Formica sp., order Ilymenoptera.) Insects 

 frequenting- pantries during summer months. Locate 

 crevice from which they come, pour in carbon bisul- 

 fide. Ant-hills in lawns can be destroyed by use of 

 same substance poured into holes made in the ant-hill. 



Aphids, Plant-Lice, Green-Fly. Order Hemiptera. 

 Minute insects feeding upon tender parts of plants 

 grown both indoors and outdoors. 



Remedies. - Kerosene emulsion; tobacco water. In 

 greenhouses, fumigation with smoke from burning to- 

 bacco stems. 



Apple. APPLE-TREE BOKEL;, HOUND-HEADED. (/>V 

 perda Candida Fabr. ; order Coleoptera.) In the fall 

 the bark of infested young trees discolors near the base 

 of the trunk. The larva lies beneath this discoloration. 

 In the spring the barjc cracks, and reddish wood dust 

 drops. The adult is a pale-brown beetle, with two 

 creamy white stripes the full length of the body. The 

 antemur are longer than the body. The egirs are laid 

 in June and -Inly. The larva spends the season in the 

 trunk of the tree, boring during the summer months. 

 The full-grown larva is over an inch long, fleshy, foot- 

 less, and has a chestnut-brown head. 



Preventive. -Heavy coat of whitewash on trunks in 



