Gains and Losses

Cicada exoskeletons mixed with undeveloped cicada nymphs under a tree. Not all cicada nymphs reach their adult stage. The adult cicada near the top of the image on the tree was not able to develop its wings properly. Click in the image for a larger view.

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Emergence

Adult cicada holding onto its exoskeleton while its wings develop. This is a critical stage in its development as the wings are easily deformed if they contact another object. The color of the adult will darken to black after this. Click on the image for a larger view.

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Brood X

Cicadas from brood X are emerging in the city. This cohort began their journey 17 years ago. Scientists estimate that up to 1.4 million of these insects will emerge per acre. Click on the image for a larger view.