146 



INSECTS AFFECTING SHADE TREES. 



various red markings on the wings and body. " Dur- 

 ing the winter," according to Professor E. A. Popenoe, 

 who has studied the insect carefully, " the adults are 

 hidden in sheltered nooks and corners everywhere, 

 but are especially abundant in crevices of stone walls 

 and angles of stone buildings, on the south sides of 

 which they appear, singly and in clusters, every 

 warm day during the season. As soon as the in- 

 creasing warmth of spring allows, they leave these 

 shelters and seek the trees attacked by them. The 

 eggs are laid in creases of the bark, 

 on the trunk and twigs. After mid- 

 summer their gregarious tendency is 

 manifested in the flocking of bugs of 

 all .sizes and in great numbers, in 

 lines up and down the trunks and 

 branches, the company including 

 larvae of all sizes, pupae, and fully 

 matured individuals. This habit 

 persists more or less completely until 

 October and November, or until the 

 During the warm days of Indian 

 bugs fly everywhere, flocking to 

 the warm sides of the buildings, and entering 

 houses, where, though otherwise harmless, they be- 

 come troublesome through their abundance, and 

 propensity to fall clumsily into pails of water, crocks 

 of milk, and other articles of food left uncovered." 

 This insect, like all true bugs, is active during its 

 entire existence, and gets its food by sucking sap 



Fig. 7:: 

 Bug. 



trees are bare 

 summer the 



