78 CYRTIDAE OF NORTH AMERICA 



Plate VI 



Fig. 20. — Pterodontia analis Westw. 



Fig. 20a. — Pterodontia analis Westw. Antenna, much enlarged. 

 Fig. 21. — Pterodontia johnsoni new species. Wing. 

 Fig. 21a. — Pterodontia johnsoni new species. Two views of antenna. 

 Fig. 21b. — Pterodontia johnsoni new species. Last tarsal segment, with un- 

 gues. Much enlarged. 

 Fig. 22. — Pterodontia flavipes Gray. 

 Fig. 22a. — Pterodontia flavipes Gray. Antenna, much enlarged. 



Plate VII 



Fig. 23. — Opsebius diligens O. S. 

 Fig. 24. — Opsebius sulphuripes Loew. 



Plate VIII 



Fig. 25 — Opsebius pauciis O. S. 



Fig. 25a. — Wing of Opsebius species near paucus. 



Fig. 26 — Opsebius pterodontinus O. S. 



Plate IX 



Fig. 27. — Acrocera bulla Westw., cf . 



Fig. 27a. — Acrocera bulla Westw., cf. Dorsal view of abdomen. 



Fig. 27b — Acrocera bulla Westw. Female genitalia. Much enlarged. • 



Fig. 27c. — Acrocera bulla Westw. Male genitalia. Much enlarged. 



Fig. 27d. — Acrocera bulla Westw. Head from above. Much enlarged. 



Fig. 28. — Acrocera bakeri var. arizonensis new variety. 



Plate X 



Fig. 29. — Acrocera convexa new species. 



Fig. 29a. — Acrocera convexa new species. Abdomen from above. 



Fig. 30. — Acrocera liturata WilUston. 



Fig. 31. — Acrocera hubbardi new species. 



Plate XI 



Fig. 32. — Acrocera bimaculata Loew. 



Fig. 32a. — Acrocera bimaculata Loew. Female genitaUa. Much enlarged. 



Fig. 33. — Acrocera fasciata Wiedemann. 



Plate XII 

 Fig. 34. — Acrocera bakeri Coquillett. From type. 

 Fig. 35. — Acrocera nigrina Westw. 



Fig. 35a. — Acrocera nigrina Westw. Dorsal view of abdomen. 

 Fig. 36. — Acrocera obsoleta V. d. W. Abdomen from above. 

 Fig 36a— Acrocera obsoleta V. d. W. Abdomen of female from side. 

 Fig. 36b — Acrocera obsoleta V. d. W. Dorsal view of male abdomen. 

 Fig. 36c. — Acrocera obsoleta V. d. W. Lateral view of male abdomen. 



