ORDER HEMIPTERA. 



75 



In colour it is yellowish-grey, the back of the abdomen being red, 

 and its large front legs, which somewhat resemble the claws of a 



Fig. 94. — Notonecta Glauca. 



scorpion, have given rise to the name by which it is popularly 

 known. It is very common in stagnant water. 



Fa77iily 15, Notonectidce. — These insects are commonly known 

 as " Water Boatmen," from their habit of rowing themselves 



Fig. 95- — Metacauthus PunctiiJe (Mag.) 



about on their backs with their long hind legs. They are car- 

 nivorous, feeding on small insects and other " fry." 



The most typical British species is Notofiecta glauca^ a yellowish 



