Art Shapiro's Butterfly SiteSite: Willow Slough
Latin Name: Erynnis tristis
| Residency: | yes |
| Number of Broods: | multiple |
| Overwintering Stage: | larva |
| Weedy: | no |
| Taxonomic Host Range: | 1 Genus |
| Known Host Plants: | Quercus |
Show image: /files/butterfly/graph/presence/willow-E_tristis-presence.jpg