1O 



FIG. 76. MANGEL-FLY (Pegomyia bctae). 



I, Portion of leaf with cluster of eggs and burrows formed by young maggots, x 7. 2, two eggs, 

 one showing external sculpture, the other a ripe embryo surrounded by membrane, x 35, 

 3, newly-hatched maggot ; 4, second-stage maggot, x 12. (33, mouth-hooks. X 75 : 4. 

 mouth-hooks. X54. 36, 46, tail-ends of 3 and 4. X 30. y, qc, tail-spiracles of 3 and 4. X75); 

 5, late maggot, x 7. (50,, mouth-hooks, x 35. 56, front spiracle, xiso); 6, full-grown 

 maggot, x 7 (6a, mouth-hooks with muscles. X 35. 66, front spiracle, x 130. 6c, tail-end 

 of maggot. xi4- 6d, tail-spiracle. X45). 7, puparium. X 7. 8, female fly; 9, head of 

 male, x 7. 10, feeler of male, x 30. From Carpenter, Econ. Proc. R. Dublin Soc. I. 



