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Hubert Dick Brown
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A new grasshopper allied to Shelfordites Karny from South West Africa (Orthoptera, Acridoidea)
Hubert Dick Brown · Administration of South West Africa
22 sayfa · 1967
Insects / Occidentula / Shelfordites
The predacious Coccinellidae associated with the wheat aphid, Schizaphis graminum (Rond.) in the Orange Free State
Hubert Dick Brown · Yayınevi bilinmiyor
318 sayfa · 1969
Biological control / Diseases and pests / Greenbug / Ladybugs / Wheat