LARVA OF A.YTIIOMyiA RADICUM 



215 



full-grown larvae (fig. 93) measures 8 mm. in length, and may be 

 distinguished by the tubercles sun-ounding the caudal extremity. 



-psp. 



ptsp. 



Fig. 93. Mature larva of Aiithomyia radicum Meig. x 12. 

 p.><p. Posterior spiracle. pt.ap. Anterior spiracular process, A same enlarged. 



In this species there are six pairs of spinous tubercles surrounding 

 the posterior end, and a seventh pair is situated on the ventral 

 surface posterior to the anus. The tubercles of the sixth pair, 



an. 



Fig. 94. Fig. 95. 



Fig. 94. Posterior end of mature larva of Anthomyia radicum Meig. an. Anus. 

 Fig. 95. Pupa of A. radicum. x 11. 



counting from the dorsal side, are smaller than the rest, and are 

 bifid. The arrangement of the tubercles can be seen in fig. 94. 



