Orthoptera Species File (Version 5.0/5.0)
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Key to taxa in order 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
family Acrididae
    of Illinois
family Tetrigidae
    of Illinois
subfamily Tridactylinae (partial)
family Tettigoniidae
    of Illinois (see also key on website "Singing Insects of North America")
family Rhaphidophoridae
    of Illinois
species Camptonotus carolinensis
family Gryllidae
    of Illinois
subfamily Gryllotalpinae (partial)
genus Cycloptilum (partial)
species Myrmecophilus (Myrmecophilus) pergandei
 
NOTE: This key block needs additional work by a taxonomist.
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