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Photo#36273
Sex determination from nymphal skins - Magicicada septendecim - male - female

Sex determination from nymphal skins - Magicicada septendecim - Male Female
Bloomington, Monroe County, Indiana, USA
May 16, 2004
Nymphal exoskeletons of Magicicada septendecim (species det. from leg length), male on left and female on right.