CYCLORRHAPHA 



PROBOSCIDEA 



20 



Syrphidae 

 Oestridae 



Fig. 65. Syritta pipiens (Milesinae) L. ? QX 14 mm., $ 8x 14 mm. Abundant on flowers. 



Fig. 66. Callicera aenea (Chrysotoxinae) F. $ 13 x 26 mm. 

 New Forest. A gorgeously golden-coloured fly found on 

 leaves of briar rose. Specimen found by Miss Chawner, 

 vii. 1901-2. Scarce. The genera, of which there are only 

 two British species, is distinguished from Chrysotoxum by 

 its terminal style. " Rare, but now commoner. Six found 

 on Rhododendron blossom vii. 1898, at Rhinefields, New 

 Forest; also on Bramble and Wild Rose: July best 

 month." (Adams.) 



Fig. 67. Pupae of Gastrophilus equi F. 

 15 x 7'5 mm. Brown to black in colour, found 

 in meadows on and near horse droppings 

 under the surface of grass. The horse bot 

 larvae live in the horse's stomach. See 

 Typical Flies, p. 37. 



