Invertebrates of Craters of the Moon National Monument and Preserve
The 2 invertebrates you can find at Craters of the Moon National Monument and Preserve, like the Army cutworm moth — sizes, diets, and whether you should worry.
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Invertebrate Army cutworm moth
Euxoa auxiliaris
A gray moth that migrates from Great Plains farm fields to high mountain talus, where grizzly bears flip rocks to eat it by the thousands each summer.
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Invertebrate Western tiger swallowtail
Papilio rutulus
The big yellow-and-black butterfly of western streamsides whose caterpillar wears fake snake eyes and flips out a stinky orange horn when scared.