1910] Brues, North American Parasitic Hymenoptera IX. 85 



EXPLANATION OF PLATE. 



Pig. 1. Pezomachus insolens sp. nov. Female, antenna. 



Fig. 2. Pezomachus urbaniis sp. nov. Male, profile of metathorax and 

 abdomen. 



Fig. 3. Pezomachus urban us sp. nov. Male, antenna. 



Fig. 4. Pezomachus delumbis sp. nov. Female, antenna. 



Fig. 5. Pezomachus obesus sp. nov. Female, antenna. 



Fig. 6. Pezomachus fenestralis sp. nov. Male, antenna. 



Fig. 7. Pezomachus habilis sp. nov. Female, antenna. 



Fig. 8. Pezomachus fenestralis sp. nov. Male, profile of metathorax 

 and first abdominal segment. 



Fig. 9. Pezomachus foveatus sp. nov. Male, profile of metathorax 

 and first segment of abdomen. 



Fig. 10. Pezomachus insolens sp. nov. Female, metathorax and first 

 segment of abdomen. 



Fig. 11. Pezomachus cockerelli sp. nov. Female, antenna. 



Fig. 12. Pezomachus foveatus sp. nov. Male, antenna. 



Fig. 13. Microcryptus (Theroscopus) vernalis sp. nov. Female, anten- 

 na. 



Bussey Institution, Harvard University, 



June 15, 1910. 



