Bull.Ent. Research, Vol XII, Part 3 



Plate VI. 



Ftj^. 9. 



Ftc^. 20. 



Fi^.JI 



Fl^./2. 



Fl^. 73. 



Fi^.U. 



Fi.^. JS. 



Fig. 76. 



Fig. 7 7. 



Fi^. 



78. 



Huth, London. 



SPIRACLES QV LARVAE OF M Yl ASIS-PRODUC I NG FLIES 



