EXPLANATION OF PLATE 53. 



Drawn by J. H. EMERTON. 



1. Calosoma frigidum Kirby, natural size. 



2. Menecles insertus (Say), " " 



3. Podisus cynicus (Say), " " 



4. Podisus serieventris Uhl., 



5. Polities pallipes St. Farg., " " 



6. Theronia melanocephala (Brulle), " " 



7. Pimpla pedalis Cress., female, " " 



7 a. " " " male, " " 



8. Pimpla tenuicornis Cress. X 4. 



8 a. " " " natural size. 



9. Formica subsericea Say, worker X 4. 



9 a. " " " " natural size. 

 10. Diglochis omnivorus (Walk.), female X 8. 



10 a. " " " " natural size. 



10 b. " " " male X 8. 



loc. " " " " natural size, 



n. Achatoneura fernaldi Williston, female X 4. 



11 a. " " " " natural size, 

 nb. " " " foot of female, 

 nc. " " " " male. 



11 d. " " " face of female, 

 ne. " " u " male. 



12. Elachiptera dispar Williston X 8. 



12 a. " " " natural size. 



13. Phlaothrips sp. ? X 32. 



14. Nothrus sp.? X 32. 



15. Trombidium bulbipes Pack. X 32. 



