CYCLORkHAI'IIA 



PK(Ji;OStII)KA 



26 



Platypezidae 

 Syrphidae 



Fig. 84. Platypcza in odes/a Zitt. cJ 3'5 x 

 8'5 mm. The larvae of Syrphidae 

 mostly feed on aphides and scale 

 insects. (Farmingham.) 



Fig. 85. (Syrphinae) Pipiza noililiica 

 Linn. $7x14 mm. On buttercups 

 in May, soon over. 



F"ig. 86. (Syrphinae) Ortliouciira iiobilis 

 Fin. $ 6x 12 mm. Found in low- 

 lying ditches on ranunculus and Uni- 

 belliferae. (Verrall.) 



Fig. 87. (Syrphinae) C/nysngastcr sphndcns 

 Meig. (J 8 x14 mm. (Colchester.) 



