Sonoma Mountain Ecology Notes

Celebrating and Caring for the Land

Female Glowworm Beetle

The male Phengodid beetle (not pictured here) uses his wings and big feathery antenna to locate and breed with these larviform ladies who never develop wings and spend their lives crawling hidden under logs and leaf-litter. The females are predators of millipedes and other arthropods and have luminescent organs down the length of their bodies that glow in the dark.

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