Photo: Diane Edwardson, October 1, 2009. Old Fashioned Potato Beetle Larvae (Lema daturaohila) on native Jimsonweed (Datura wrightii). (Click on photo to enlarge.)Thanks to What's That Bug? for identifying these fat yellow bugs I thought were caterpillars in outfits. They are Old Fashioned Potato Beetle Larvae (Lema daturaohila). Their scientific name means "Datura loving." They eat potato plants as well as Datura, a member of the Nightshade family. Apparently, they also wear their excrement as a disguise to hide from predators.
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