Pachydiplosis oryzae, Wood=Mason. 
Fig. 1, a cluster of rice plants several of which are affected. 
Fig. 2, an affected plant, with the pupa in its natura] position exposed, 
Fig. 3, egg enlarged. 
Fig. 4, full-grown maggot. 
Figs. 5 to.7, different views of pupa. 
Figs. 8 and 9, the adult fly in sitting and flying attitudes, 
The small outline figures indicate natural sizes, 
