. Fig. 2. â Distribution of the Groat Kasteru Brood (M . latfs X) of periodical cicadas in Illinois. Black d. indicate positive records of adult specitnens. skins, ho', in the ground, flagging tree branches, or singing. CircU iiuiicale negative records in areas carefully searched.

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Keywords: ., bookcentury1900, bookpublisherurban, booksubjectperiodicalcicada