| Title: | A study of the oyster-shell scale, Lepidosaphes ulmi (L.), and one of its parasites, Aphelinus mytilaspidis le B. Part I. Biology and morphology of the two forms of the oyster-shell scale. Part II. Biology of a parasite of the oyster-shell scale |
| Author: | Griswold, Grace Hall |
| Note: | The University, 1925 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Oyster-shell scale |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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