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The P&PDL Picture of the Week



Lightning Beetle Larva



(Photo by Jerry Nelson.) This is the larval stage of lightning beetles, also known as fireflies. They glow using the same biological processes as the adults. The big question that entomologists are wrestling with is 'why do they glow?'.
--Tim Gibb, Entomologist

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Last updated: 11 November 2000/tlm.
The Plant & Pest Diagnostic Laboratory at Purdue University.