Note's On East African Aphids Aphids Of Leguminous Crops

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1953/1954
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Abstract
One root-feeding and five leaf- and stem feeding aphids are described here. Trifidaphis phaseoli (Pass.), a white globular aphid without siphunculi and with short legs and antenme, occurs on the roots of many dicotyledons in addition to Leguminosa: and is sometimes a pest of potatoes. This aphid, like a number of other root-feeding Fordini, has the cauda and sub-anal plate placed dorsally and enclosed on three sides by the inverted U -shaped eighth tergite (Fig. N). Macrosiphllln nigrinectaria
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East African Agricultural And Forestry Journal, 19, p. 104-104
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