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Key to the Genera of the Gomphocerinae of the Southeastern United States

Adapted from Dakin and Hayes 1970 and Otte 1981.

1 Lateral foveolae of vertex invisible from above.
  Lateral foveolae of vertex visible from above, but if the foveolae are obsolete, the foveolar area forms and obtuse angle with the plane of the fastigium so that it is visible from above.
2 Antenna more or less ensiform.
  Antenna filliform or clubbed.
3 Adults brachypterous.
  Adults with wings reaching end or surpassing end of abdomen.
4 Head longer than pronotum; wings minute; seen dorsally, hind knee with spine-like projections pointing caudad.
  Head subequal or equal to the length of the pronotum; wings extending ¾ length of abdomen; seen dorsally, hind knee without spine like projections.
5 Disk of vertex with a median carina.
  Disk of vertex without a median carina.
6 Outer margin of hind tibea armed with less than 18 spines.
  Outer margin of hind tibea armed with 18 or more spines.
Syrbula admirabilis Uhler
7 Lateral margins of pronotum parallel.
  Lateral margins of pronotum constricted near center.
8 Hind tibea red, in males sides of prontum entirely black.
Chloealtis conspersa (Harris)
  Hind tibea dull brown’ sides of pronotum with lateral carinae white, and varibly colored; has a white stripe on the lateral portion of the pronotum that begins neat the center and slopes ventrally toward the edge of the segment; the antenna flattened at apex, and slightly club-shaped
Eritettix simplex (Scudder)
9 Lateral margins of pronotum parallel, or only slightly diverging caudally on the metazona.
  Lateral margins of pronotum constricted near center
10 Hind femora of males with stridulatory pegs; males and females less than 28mm long;probably restricted to higher elevations in the SE.
  Hind femora of males without stridulatory pegs; males more than 28mm long, females more than 38mm; vertex with distinct median carina.
Stethophyma celata (Otte)