152 Journal of the Mitchell Society [May 



ORMENIS 



18. Color light 19 



Color dark with evident pruinosity when fresh 13. .. .Onnenis pritvwsa Say 



19. With one sub-apical line on the fore wings 498 20 



With two sub-apical lines on the fore wings 499 22 



20. Head and thorax green, marked with red 10 0. rufi fascia Walker 



Head and thorax not marked with red 21 



21. Sub-apical line widely separated from the apical border 



0. venusta Melichar 

 Sub-apical line near the apical border 0. pauperata Melichar 



22. Size small, 5 mm O. proxima Walker 



Size larger, 8-10 mm 23 



23. Frons with median carina well elevated; mesonotum yellowish or brownish 



testaceous, sharply contrasted with green wings 141 .. . 0. chloris Melichar 



Frons with median carina indistinct ; mesonotum not sharply contrasted 



with the wings 144 24 



24. Wings pale with brown spots 0. contaminata Uhler 



Wings without brown spots 25 



25. Both sub-apical lines united with the costal nerve 499 



0. septentrionalis Spinola 

 The last sub-apical line not reaching the costal border 500 



0. relicta Fabricius 

 FLATOIDES 



26. Hind tibise with three spines before the apex; fore wings light buff, heavily 



spotted with large black spots 17 Flatoides viaculosus Metcalf 



Hind tibiae Avith two spines before the apex; fore wings variously col- 

 ored 27 



27. Color blackish fuscous, unmarked 16 F. fuscus Van Duzee 



Color lighter, more or less strongly marked with darker 15 28 



28. Vertex nearly twice as long as broad 147 29 



Vertex not twice as long as broad 151 30 



29. Color oehraceous green, with a transverse fuscous band at the apex of the 



clavus and numerous fuscous flecks F. tortrix Guerin 



Color oehraceous yellow with a fuscous stripe along the claval suture and 

 then diagonally to the costal margin F. insularis Melichar 



30. Vertex acute at the apex; anterior margin of the pronotum not notched 



149 31 



Vertex obtuse at the apex; anterior margin of the pronotum notched 

 152 33 



31. Vertex twice as broad as its median lengtli 150 32 



Vertex not twice as broad as it median length 151 F. acutus Uhler 



32. Color oehraceous buff with a broad transverse fuscous band at the base and 



at the apex of clavus F. cnticisux Metcalf 



Color greenish without evident transverse bands F. punctatus Walker 



