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Amblytropidia Group

Grasshopper at my black light - Syrbula montezuma - female Obscure grasshopper - Opeia obscura - male Admirable grasshopper?? - Syrbula admirabilis - female Dichromorpha viridis ? male ? - Syrbula admirabilis - female Orphulella pelidna ? - Amblytropidia mysteca Grasshopper - Syrbula Eritettix simplex Eritettix simplex - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Orthoptera (Grasshoppers, Crickets, Katydids)
Suborder Caelifera (Grasshoppers)
Family Acrididae (Short-horned Grasshoppers)
Subfamily Gomphocerinae (Slant-faced Grasshoppers)
No Taxon Amblytropidia Group
Synonyms and other taxonomic changes
roughly equivalent to tribes Amblytropidiini and Eritettigini

group Amblytropidiae Brunner von Wattenwyl, 1893 (of tribe Truxalidae). Based on genus: Amblytropidia Stål, 1873
tribe Amblytropidi (Brunner von Wattenwyl) Blatchley, 1920
tribe Amblytropidini (Brunner von Wattenwyl) G.E. Wixom, 1969
tribe Amblytropidini; group Eritettiges G.E. Wixom, 1971
Amblytropidia genus group, Otte 1981
Eritettix genus group, Otte 1981
tribe Eritettigini ?Otte, 1981. Based on genus: Eritettix Bruner, 1889
Identification
Moderately slender-bodied (but not "toothpick-like") with slanted faces; slender hind legs; front and middle femora not swollen in males; wings in most well developed and often longer than abdomen; tegmina slender in males and females; antennae slender but usually somewhat flattened, sometimes very slightly clubbed; fastigium covex with median ridge indicated; faveolae not visible from above (often absent in Amblytropidia).

These genera share many characteristics, but Amblytropidia in particular is rather different in several traits from the rest of the genera listed here. Amblytropidia may be more nearly allied to the Rhammatocerus group (?). Eritettix, Opeia, & Amphitornus seem very close to one another, but Eritettix also shows strong similarities to Psoloessa, which is in a different group. Future studies will likely rearrange the groupings of Gomphocerine genera somewhat, and the Ablytropidia Group, as well as most of the others, is rather tentative as presented here.
Remarks
This seems to be a natural grouping, but some genera resemble Eurasian species of Chorthippus and related genera closely, while others resemble certaint tropical American genera closely (Amblytropidia is largely Neotropical in distribution).