CYCLORRHAPHA 



Proboscidea 



32 



Syrphidae 



F\g. 107. (Volucellinae) Voliicelln pelhiceiis Linn. 

 2 16 X 32 mm. Seen on briar hedges, Bournemouth. 

 The hirva lives in bumble-bees' nests. 



Fig. 108. (Eristalinae) Eristalis teiuix Linn. 

 $ 15x28 mm. The common "Drone-fly," 

 hovering over flowers. The larva or "rat- 

 tailed maggot" lives in foul pools and ditches. 



Fig. 109. (Eristalinae) E?-is/ii/is arhustonim Linn. 

 (J 10 X 12 mm. Found in gardens amongst flowers, 

 and on banks. 



Fig. 1 10. (Eristalinae) HelophitKs pciidiilm Linn. 

 (J 1 1 X 20 mm. The aquatic larvae are found 

 in sunny pools and dykes. 



