J. R. MALLOCH 319 



Explanation of Plate XVII 



Fig. 1. — Xenaricia fufva, genital segments of female, caudal view. 



rig. 2. — Xenaricia fulva, same, lateral view. 



Fig. 3.- — Hylemyia substriatella, hypopj'gium of male, lateral view. 



Fig. 4.- — Hylemyia duplicata, same. 



Fig. 5. — Hylemyia marginella, fifth abdominal sternite of male, ventral view. 



Fig. 6. — Hylemyia piloseta, same. 



Fig. 7. — Hylemyia spinilamellata, same. 



Fig. 8. — Hylemyia viarginata, same. 



Fig. 9. — Hylemyia sjnnilamellata, hypopygium of male, dorsal view, one side. 



Fig. 10. — Hylemyia marginella, same. 



Fig. 11.- — Hylemyia marginata, same. 



Fig. 12. — Hylemyia, pilosela, same. 



TRA.NS. A.M. ENT. SOC, XLIV 



