Species

Harpaphe haydeniana (Yellow-spotted millipede)

Harpaphe haydeniana. Photo: (c) Franco Folini, some rights reserved (CC BY)

iNaturalist • Wikipedia

Harpaphe haydeniana (the yellow-spotted millipede, almond-scented millipede or cyanide millipede) is a species of polydesmidan (“flat-backed”) millipede found in the moist forests along the Pacific coast of North America, from Southeast Alaska to California. The dark coloration with contrasting yellow-tipped keels warn of its ability to exude toxic hydrogen cyanide as a defense. Despite the various common names given the species, the coloration pattern, cyanide defense, and associated almond scent occur in other flat-backed millipedes around…

— Wikipedia

Sightings

Where in Humboldt

Discussion

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