PLATE XVIII. 



1. Homaemus aeneifrons Say. 



2. Galgupha atra Amyot and Serville. 



3. Amnestus spinifro^is Say. 



4. Sehirus cinctus Palisot de Beauvois. 



5. Eurygaster alteniata Say. 



6. Brochymena quadripustulata Fabricius. 



7. Brochymena arborea Say. 



8. Peribalus limholarius Say. 



9. Rhytidolomia saucia Say. 



10. Rhytidolomia senilis Say. 



11. Chlorochroa uhleri Stal. 



12. Mormidea lugens Fabricius. 



13. Euschistus variolarus Palisot de Beauvois. 



14. Euschistus euschistoides Vollenhoven. 



15. Coenus delius Say. 



16. Menecles i^isertus Say. 



17. Acrosternum hilar e Say. 



18. Cosmopepla bimaculata Thomas. 



19. Banasa dimidiata Say. 



20. Meadorus lateralis Say. 



21. Elasmostethus cruciatus Say. 



22. Perillus circumcinctus Stal. 



23. Apateticus cynicus Say. 



24. Perillus exaptus Say. 



25. Podisus placidus Uhler. 



26. Podisus modestus Dallas. 



27. Podisus maculiventris Say, — dorsal view. 



28. Podisus maculiventris Say, — lateral view. 



29. Corizus lateralis Say. 



30. Harmostes reflexulus Stal. 



31. Euthochtha galeator Fabricius. 



32. Megalotomus quinquespinosus Say. 



33. Acanthocephala terminalis Dallas. 



34. Anasa repetita Heidemann. 



35. Anasa tristis DeG^er, — squash bug. 



36. Merocoris distinctus Dallas. 



37. Protenor belfragei Haglund. 



38. Alydus pilosulus Herrich-Schaeffer. 



39. Alydus eurinus Say. 



40. Aradus quadrilincafus Say. 



All natural size. Photographs by B. H. Walden. 



