150 



ORDER HEMIPTERA 



they have the power of transmitting blood diseases from 

 one person to another. 



The Tingitidoe, or lace bugs, are common on thorn bushes, 

 sycamore, oak, walnut, and many other plants. 



The leaf bugs (Capsidce) are of some economic importance, 

 from the fact that the^' attack the leaves of fruit trees in 



Fig. 103. — Sericophancs ocdlalus Rent: dorsal \io\\-~ a, iiKU'iopterous 

 male; ?), micropterous female; c, macropterous female, f/, -^ulo mow microp- 

 terous female; e, macropterous female; /, wing of nucropteious female; a, 

 micropterous female; h, male abdomen beneath. (After Osborn. Drawn 

 by Miss C. M. King.) 



the spring, puncturing them and sucking the plant juices. 

 They are also quite common in meadows and pastures. 



The tarnished plant bug is a very important species 

 affecting orchards where it attacks the buds and blights 

 them. It also works on clover and does great damage to 

 strawberries, causing "buttoning." 



Certain species in this family show a ^'ery strict resem- 



