Plate V 



Fig. I. 



Muscina stabulam, male (X3). Antenna. Female head, dorsal view. 



Natural size, resting position. 



Fig. 2. 

 Stable fly, Stomoxys calcitrans (xs). Antenna. Natural size, resting position. 



A B 



Fig. 3- 

 Side view of head of Stable fly; A, proboscis in resting position; B, proboscis extended. 



