CYCLORRHAPHA 



PkOliOSCIDEA 



44 



Ortalidae 



Trypetidae 



Chloropidae 



Fig. 150. (Ortalidae) Plaiystotna scininationis Fabr. 

 ? 5 x12 mm. (Colchester.) 



Fig. 151. (Trypetidae) Acidia heracUi Linn. 

 ^4x11 mm. The well-known "Celery fly." 

 The larvae tunnel in celery and parsnip 

 leaves, forming blisters. 



.152. (Chloropidae) 0'//(V('/j' /(7(V//()- 

 piis Meig. 5x8 mm. The " Gout 

 fly." Destructive to barley. 



