DIPTERA OR TRUE FLIES. 



227 



told by their long slender legs, which so readily fall off. The 

 larvEe are called " Leather-jackets," and are root-feeders ; some 

 also live in decaying wood, and others in water. The pupfe are 

 armed with bristles, and are always naked. 



The Common Ceane-fly (Tipula olbracea). 



The female Crane-fly is brownish-grey, with a silvery hue, the 

 wings having testaceous veins. The female is provided with a 



Fig. 124.— Crane-fly (Tipula oleracea). 

 1 and 2, Male and female ; 3, ova ; 4, larva ; 5, pupa. 



sharp conical ovipositor, the end of the male is blunt. The 

 female, by means of this tube, lays black spindle-shaped eggs 



