- Dates
- 1976 – 1977
- Kind
- Observation
- Where
- Beaver Island
- Carried out by
- Central Michigan University Biological Station
- Eras
- Modern era
- Concepts
- environmentwildlifeconservationeducationcommunication
- Within
- Beaver Island
Summary
The combined February–March 1977 Beaver Beacon publishes Alice Loesch’s Biological Station account of cyclical Heterocampa guttivitta and related tree defoliators, including the reported 1976 infestation and a forecast of fewer moths in 1977.
Evidence and limits
This is a source-attributed biological article, not a complete species survey, population census, or current habitat assessment.
Sources
- Publishes Alice Loesch’s account of Heterocampa guttivitta and related larvae, their life cycle, parasite and disease controls, and severe infestations on the southwest side of Beaver Island; it reports 1976 observations and anticipates fewer moths in 1977. It is a source-attributed biological article, not a complete species survey, population census, or current habitat assessment. The holding institution's portal restricts automated access; the archive holds a copy of this issue and can provide it on request.data1 · beaver-island-archive · beaver_beacon · 1977-02_Beaver-Beacon
- The held eighteen-page combined-issue PDF is paired with the canonical OCR source and confirms the attributed defoliator article.data1 · beaver-island-archive · scans · beaver_beacon · issues · 1977-02_Beaver-Beacon
Added 3 August 2026. Recent changes
Cite this article
Beaver Island Archive, “Biological Station report describes Beaver Island tree-defoliator cycles, 1977”, https://beaverislandarchive.org/events/beaver-island-tree-defoliators-research-1977/, accessed [date], citing Beaver Beacon, February and March 1977, “The Tree Defoliators of Beaver Island.” (and 1 further source listed on the page).
Last revised 2026-08-03. Fill in [date] with the date you read it — this page is static and cannot know that.
BibTeX for “Biological Station report describes Beaver Island tree-defoliator cycles, 1977”RIS for “Biological Station report describes Beaver Island tree-defoliator cycles, 1977”