Erynnis persius fredericki
Photo Life History: Erynnis persius fredericki
Habitat: Mountain Hilltops
Host Plants: Lupinus argenteus
Suitable Lab Host Plants:
How to Find Female Butterflies: Click here.
How to Care for Live Female Butterflies: Click here.
Methods of Female Oviposition:
How to Find Eggs:
How to Hatch Eggs: Consolidate eggs into one container
How to Find Caterpillars in the Field: Look for Skipper Nests. Late instar nests and larvae can be very common if found in the heart of their habitat; which is towards mountain hilltops where Lupinus argenteus is common. (See notes below.)
How to Find Pupae in the Field:
Larva to Pupa: Larva Changes Color.
Number of Broods per Year: 1
Overwintering Stage: Mature Fifth Instar Larva
Avoiding Diapause Techniques:
Disease Prevention: Change out host plant and remove frass every four or five days. Caterpillars can get sick in a closed container if overexposed to their own frass.
Emergence: Emergence Container
Field Notes: Late instar larvae can be extraordinarily common on Lupinus argenteus the first week of August here.