Orthoptera Species File (Version 5.0/5.0)
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Key to taxa in Orthoptera

        of Illinois
Characters not determined
antennae
ovipositor of females
pronotum
tegmina (forewings)
shape of forelegs
number of tarsal segments
body size
auditory organs
does it produce sound?
general appearance
 
Taxa not eliminated
Acrididae
    of Illinois
Tetrigidae
    of Illinois
Tridactylinae (partial)
Tettigoniidae
    of Illinois (see also key on website "Singing Insects of North America")
Rhaphidophoridae
    of Illinois
Camptonotus carolinensis
Gryllidae
    of Illinois
Gryllotalpinae (partial)
Cycloptilum (partial)
Myrmecophilus (Myrmecophilus) pergandei
 
NOTE: This key block needs additional work by a taxonomist.

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