Phyciodes mylitta mylitta
Photo Life History: Phyciodes mylitta mylitta
Host Plants: Cirsium vulgare; Cirsium arvanse
Suitable Lab Host Plants: Onopordum acanthium
How to Find Female Butterflies: Click here.
Caring for Live Female Butterflies: Nectaring techniques
How to Hatch Eggs: Consolidate eggs into one container.
How to Find Caterpillars in the Field: Look for Caterpillar Strip Patterns. Caterpillars feed gregariously and can create very noticeable strip patterns on the host plant.
How to Find Pupae in the Field:
Number of Broods per Year: 2-3
Overwintering Stage: Third Instar Larva
Disease Prevention: Change out host plant and remove frass every four to five days in an open bucket or open terrarium setup.
Emergence: Emergence Container
Field Notes: Even though caterpillars can be found on thistles in mountain canyons and agricultural areas, the most productive method to rear thistle crescents is to get eggs out of females.