Art Shapiro's Butterfly SiteSite: Willow Slough
Latin Name: Battus philenor
| Residency: | no |
| Number of Broods: | multiple |
| Overwintering Stage: | pupa |
| Weedy: | no |
| Taxonomic Host Range: | 1 Species |
| Known Host Plants: | Aristolochia californica |
Show image: /files/butterfly/graph/presence/willow-B_philenor-presence.jpg