PLANT BUGS. 



191 



Fig. 146. — 1 to 4, Potato Bug ; 5 and 6, Hop Bug, nat. size 

 and magnified. 



The order of Plant Bugs * includes both plant and 

 water insects, which may be known by a kind of 

 leathery patch at the base of the front wings, " dis- 

 similar " from the rest of the substance, whence the 

 order takes its name of Heteroptera, or " dissimilar- 



FiG. 147.— 1 to 4, Grass Bug; 5 and 6, Wheat Bug, nat. size 

 and magnified. 



* The insects included in this and in the preceding order by Prof. 

 Westwood, are included, at the present day, in the order Hendptera (or 

 Bhi/nchota, of Burmeister), and classed respectively under the sub- 

 orders of Hemiptera-Heleroptera, and Hemiptera-IIomoptera. I have 

 retained the distinction as given. 



