Phenomenal Fireflies - Alex Wild Photography
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Female Photinus pyralis do not fly during courtship. Instead, they perch in vegetation at dusk and signal in response to a suitable male flash. Here, a female aims her light organ to signal back at a male.

Urbana, Illinois, USA

Female Photinus pyralis do not fly during courtship. Instead, they perch in vegetation at dusk and signal in response to a suitable male flash. Here, a female aims her light organ to signal back at a male. Urbana, Illinois, USA

Photinus pyralisLampyridaesexual selectioncourtshipBioluminescenceanimal behaviorFirefliesfirefly