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 s e nevenifris Vhl., " " 



5. PoUstes pallipes ^t. 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. 



IOC. " " " " natural size. 



11. AchcEioneura fernaldi Williston, female X 4. 



11 a. " " " " natural size, 

 lib. " " " foot of female. 



II c. " " " male. 



11 d. " " " face of female, 

 lie. " " " male. 



12. Elachipiera dispar Williston X 8. 



12 a. " " natural size. 



13. Phlceothrips sp.? X 32. 



14. Nothrus sp. ? X 32. 



15. Trombidium bulbipes Pack. X 32. 



