Wisconsin Native Caterpillars
Common Buckeye Caterpillar
Genus-Species: Junonia coernia
Description: Black with lateral white stripes,
orange patches and branched spines.
Chrysalis: Mottled pale brown or dark gray
brown. Rows of short conical projections on abdomen.
Host Plants: Blue toadflax (Linaria canadensis),
American plantain, Black seeded plantain or Red stalked plantain (Plantago rugelii), Wild
petunia ( Ruellia humilis), Blue vervain (Verbena hastata), Hoary vervain (Verbena stricta) and
False foxgloves (Agalinis species or Gerardia species)
Habitat: Open, dry fields, roadsides, trails, and waste
Comments: The Common Buckeye is not a common
butterfly in Wisconsin, but as an immigrant from farther south, it makes it to Wisconsin on a fairly
regular basis and is always a pleasure to see.
Caterpillars come in many colors, shapes, and sizes. Some caterpillars are quite hairy,
while others are smooth. Despite differences between species, though, all caterpillars
share certain morphological features.
Take this quick quiz and see how much you know about caterpillars. This quiz is intended for fun, in
a random-facts-can-be-cool kind of way.
How does this magic happen? Learn about metamorphosis - the process of transformation from an
immature form to an adult bitterfly.