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Median crest of pronotum obsolete, cuts by sulci barely distinguishable.
Tegmina markings faint, hind wings transparent blue. No indication of dark
band present on hind wings. Does not crepitate in flight...
Lateral head and pronotum showing obsolete median crest.
Median crest of pronotum low but distinct. Cuts by sulci distinct. Tegminal
markings often pronounced. Hind wings variable in color, with central dark
band pronounced to faintly indicated (exception: some T. sparsa have no
trace of band). All species crepitate in flight... go