Type:
- Article
Year:
1965
Source:
- Journal of Research on the Lepidoptera
Category:
- Monarch research, Overwinter dynamics
Full Reference:
Urquhart FA, Beard P, Brownlee R. 1965. A population study of a hibernal roosting colony of the monarch butterfly (D. plexippus) in northern California. Journal of Research on the Lepidoptera 4: 221.
Online citation:
Study Setting:
- Field
Geographic Focus:
- Western Overwintering