CYCLORRHAPHA 



PROBOSCIDEA 



Opomyzidae 



Piophilidae 



Drosophilidae 



Fig. 104. Balioptera tripunctata Fin. $ 3 x 7 mm. 

 New Forest, 26 viii. 1906. A dark brown fly, legs 

 and wing spots of darker red brown. 



Fig. 105. Opotnyza florutn F. $ 3-5 x 8 mm., ^ 3X 

 7 mm. Found by sweeping grasses, Bishop's Stort- 

 ford. Pale golden brown throughout, darker shade 

 of wing spot. 



Fig. 1 06. Piophila casei L. 6x 19 mm. Found at 

 a London Club. (Adams.) 25 vii. 1898. Larvae in 

 cheese ; cheese maggot. Kept off fresh cheese by 

 means of muslin shields. A dark brown smooth fly, 

 with a partiality for cheese. 



Fig. 107. Drosophila fenestranim Fin. 3 x 9 mm. 

 On windows, February and March, Grantchester. 

 (N. D. F. P.) The larvae of the Drosophilidae feed 

 on plants, oak apples, fungi, cheese. Some mine the 

 leaves of plants. Drosophila fttnebris is often called 

 the soft cheese fly. D. cellaris feeds on the matter 

 adhering to beer and wine corks. D. melanogaster 

 attacks grapes. (Theobald.) 



Fig. 108. Pupa of Drosophila funebris. (British 

 Museum specimen.) 



