THE SMOKY CRANE-FLY. 



123 



TIIK LARVA. 



Larva (fig. 63, a) filiform. 19 mm. in length and 3 mm. in diameter at its 

 widest point when fully extended. General color dirty yellowish brown, dark- 



m 



Fig. 61. The smoky crane-fly: a, h. Adult male; <•. thorax and head, lateral aspect; 

 d, antenna] joints I-IV; e, tarsal joint and ungues; /. pygidial Begments, terminal 

 aspect; <i. end of abdomen, lateral aspect, a, natural size: o. enlarged; <•-'/. much 

 enlarged. (Original. | 



ening i<» almost black at the extremities. Body composed of i-"> segments, the 

 bead being about two-thirds Incased in the first and entirely retractile within 

 the first two Begments. Posterior segmenl I tiu r . <;:;. fc) ter- 

 minated by 4 blunt, radially arranged tubercles, between 

 which are2 Large black spiracles ; when contracted the! tu- 

 bercles completely conceal the spiracles; on ventral surface 

 of this segment are 4 large and 1' smaller radially arranged 

 pseudopods, posterior to which is the .-inns (fig. 63, {)• 



Head (tig. <;.".. c, i | partly chitiuized, 2J mm. in length 

 and 1.1 nun. in width. Cenal region extending backward 

 from the mandibles and maxilla' as two strongly convex 

 plates, deeply pigmented on their anterior half and fading 

 out to transparent chltin on their posterior margins. These 

 plates are widely separated postero-ventrally. to form the pharyngeal foramen: 

 antero-ventrally they are continuous with the mentum. Dorsally they appear to 





_jrimKc-Mt 



Fig. »;•_•. 



crane 

 Highly 



I'he smoky 

 tly : 

 magnified. 



(Original. 



