1. Camponotus pennsylvanicus Carpenter Ant Profile view of major worker. Photo Joe MacGown Full face view of major worker. Photo Joe MacGown

2. Camponotus decipiens Nuisance Carpenter Ant Profile view of a major worker. Photo Joe MacGown Full face view of minor worker. Photo Joe MacGown

3. Prenolepis imparis False Honey or Winter Ant View of hourglass shaped thorax. Photo Jen Fogarty www.antweb.org Side view of worker. Photo Jen Fogarty www.antweb.org Frontal view of head of worker. Photo Jen Fogarty www.antweb.org

4. Lasius claviger (Acanthomyops claviger) Yellow Ant Side view of worker. Photo April Nobile www.antweb.org Full face view of worker. Photo April Nobile www.antweb.org

5. Lasius alienus Side view of a worker. Photo Jen Fogarty www.antweb.orgFull face view of a worker. Photo Jen Fogarty www.antweb.org

6. Formica exsectoides Allegheny mound ant Frontal view of the head of a worker. Photo Joe MacGown Side view of a worker. Photo Joe MacGown

7. Formica subsericea Black field ant Side view of a worker. Photo April Nobile www.antweb.org Full face view of a worker. Photo April Nobile www.antweb.org

8. Tapinoma sessile Odorous house ant Profile view of worker. Photo Joe MacGown Full face view of worker. Photo Joe MacGown Profile view of worker with arrow pointing to flattened petiole. Photo Joe MacGown

9. Linepithema humile Argentine Ant Profile view of worker. Photo Joe MacGown Full face view of worker. Photo Joe MacGown Profile view of worker with arrow pointing to petiole. Photo Joe MacGown

10. Forelius mccooki Profile view of worker. Photo April Nobile www.antweb.org Full face view of worker. Photo April Nobile www.antweb.org

11. Pachycondyla chinensis Asian needle ant Profile view of worker. Photo April Nobile www.antweb.org Full face view of worker. Photo April Nobile www.antweb.org

12. Monomorium minimum Little black ant Profile view of worker. Photo Joe MacGown Full face view of worker. Photo Joe MacGown

13. Monomorium pharaonis Pharaoh ant Profile view of worker. Photo April Nobile www.antweb.orgFull face view of worker. Photo April Nobile www.antweb.org

14. Solenopsis molesta Thief ant Profile view of worker. Photo April Nobile www.antweb.org Full face view of worker. Photo April Nobile www.antweb.org

15. Solenopsis invicta Red Imported Fire Ant Profile view of major worker. Photo Joe MacGown Full face view of major worker. Photo Joe MacGown

16. Solenopsis richteri Black Imported Fire Ant Profile view of major worker. Photo Joe MacGownFull face view of major worker. Photo Joe MacGown

17. Solenopsis invicta x richteri Hybrid Imported Fire Ant Profile view of major worker. Photo Joe MacGownFull face view of major worker. Photo Joe MacGown

18. Crematogaster vermiculata Acrobat Ant Profile view of worker. Photo April Nobile www.antweb.orgFull face view of worker. Photo April Nobile www.antweb.org

19. Pheidole dentata Big-headed Ant Profile view of minor worker. Photo April Nobile www.antweb.orgProfile view of major worker. Photo April Nobile www.antweb.org Frontal view of head of minor worker. Photo April Nobile www.antweb.org Frontal view of head of major worker. Photo April Nobile www.antweb.org

20. Tetramorium caespitum Pavement Ant Profile view of worker. Photo April Nobile www.antweb.org Full face view of worker. Photo April Nobile www.antweb.org

21. Neivamyrmex opacithorax New World Army Ant Profile view of male showing only one node. Photo April Nobile www.antweb.org Profile view of worker. Photo April Nobile www.antweb.org Full face view of worker. Photo April Nobile www.antweb.org

22. Aphaenogaster rudis Profile view of worker. Photo Joe MacGown Full face view of worker. Photo Joe MacGown