Hermann Hagen
Biologe,
Entomologe,
Zoologe
Geboren:
30. Mai 1817,
Königsberg
Gestorben:
9. November 1893,
Cambridge, Mass.
Public Domain
Hat mitgewirkt an:
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Die Kupfer zu Scopoli's Entomologia Carniolica
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Simulium feeding upon Chrysalids
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Destruction of obnoxious Insects, Phylloxera, Potato Beetle, Cotton-Worm, Colorado Grasshopper, and Greenhouse Pests, by Application of the Yeast Fungus
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Catalogue of the Specimens of Neuropterous Insects in the Collection of the British Museum, I