
DIPTERA, 87 
By means of a little horny instrument, with which the female is 
provided, and which contains a small lancet, she pierces the skin 
of the olive; she moves her wings and lays her ege. » She after- 
wards cleans and rests herself, by passing her feet over her head, 
wings, and other parts of her body. She then flies away and seeks 

thaw 
“may 
amr 
yf 
ho pat 
Vf 
lf y 

Fig. 66.—Olives attacked by Dacus olee. 
tohojey 
tion until she has placed on as many olives the three or four hun- 
dred egos which she bears.” 
Fig. 66, taken from the memoir published by M. Guérin- 
another olive to deposit in it another egg ; she repeats this opera- 



