Wisconsin Native Caterpillars
Gray Hairstreak Caterpillar
Genus-Species: Strymon melinus
Description: Although generally some shade of
green, color varies according to host plant hue.
Chrysalis: Dark brown.
Host Plants: Flowers and fruits from an almost
endless variety of plants; most often from pea (Fabaceae) and mallow (Malvaceae) families
including beans (Phaseolus), clovers (Trifolium), cotton (Gossypium), and mallow (Malva).
Habitat: Found in a large variety of open habitats,
including open weedy fields.
Comments: The Gray Hairstreak is one of the most
widespread butterflies in the continental United States, but is uncommon in Wisconsin.
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.