 ... numerous. This latter parasite is the true internal parasite of the Japanese yellow orange scale. The San Jose scale is not a native of Japan, so it is evident that this little parasite adapts itself to the introduced variety, which is a near relative...  Gardeners' Chronicle - Seite 2391907Vollansicht - Über dieses Buch
 | California. State Commission of Horticulture - 1905 - 444 Seiten
...introduced variety, which is a near relative of the yellow scale upon which it is generally found. So effective has this work of introducing beneficial...insects and encouraging native parasites been, that we have practically reduced all the worst of our scale pests and very many other destructive insects... | |
 | California. State Commission of Horticulture - 1905 - 444 Seiten
...introduced variety, which is a near relative of the yellow scale upon which it is generally found. So effective has this work of introducing beneficial...insects and encouraging native parasites been, that we have practically reduced all the worst of our scale pests and very many other destructive insects... | |
 | California. Department of Agriculture - 1905 - 444 Seiten
...introduced variety, which is a near relative of the yellow scale upon which it is generally found. So effective has this work of introducing beneficial...insects and encouraging native parasites been, that we have practically reduced all the worst of our scale pests and very many other destructive insects... | |
 | John Isaac - 1906 - 48 Seiten
...introduced variety, which is a near relative of the yellow scale upon which it is generally found. So effective has this work of introducing beneficial...insects and encouraging native parasites been, that we have practically reduced all the worst of our scale pests and very many other destructive insects... | |
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