1919] Chalcid-fly Parasitic on Ant 21 



EXPLANATION OF PLATES. 



Plate I. Psilogaster fasciiventris sp. nov. 



Fig. L Mature larva, lateral view. 

 Fig. 2. Female imago. 



Plate IL Psilogaster fasciiventris sp. nov. 



Fig. 1. Pupa, lateral view. 

 Fig. 2. Pupa, ventral view. 

 Fig. 3. Pupa, dorsal view. 



