254 



THE MONTHLY BULLETIN. 



the above fruits until they are ready to pupate. This takes place among 

 the refuse, the adults appearing within a few days. The entire life 

 history seldom covers more than fifteen or twenty days. 



Fig. 250. — Adults of Drosophila ampelopliUa Loew. Enlai'ged 



twice. (Original.) 



Distribution. — Common everywhere throughout the State. 



Food. — Canned, pickled or soured fruits. The writer bred this 

 species from pickled figs and soured bananas. 



*FiG. 251. — The wing' of Drosophila ampelO' 

 phila Loew. Greatly enlarged. (Original.) 



Control. — Kemedial measures are seldom necessary. It is advisable 

 to keep pickled fruits securely covered to prevent entrance of the flies. 



*The wings of the three species of Drosophila are drawn on the same scale for 

 comparison. 



