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Pattern and rate of within-field dispersal and bionomics of the cowpea aphid, Aphis craccivora (Aphididae), on selected cowpea cultivars

Annan, I. Billy ; Schaefers, George A. ; Tingey, Ward M. ; Saxena, Kailash N.

In: International Journal of Tropical Insect Science, 1999, vol. 19, no. 1, p. 1-16

Consortium of Swiss Academic Libraries

Effects of infestation by cowpea aphid (Homoptera: Aphididae) on different growth stages of resistant and susceptible cowpea cultivars

Annan, I. Billy ; Saxena, K. N. ; Schaefers, G. A. ; Tingey, Ward M.

In: International Journal of Tropical Insect Science, 1994, vol. 15, no. 4-5, p. 401-410

Consortium of Swiss Academic Libraries

Population Dynamics and Clonal Comparisons of Cowpea Aphid (Homoptera: Aphididae) on Resistant and Susceptible Cowpea Cultivars

Annan, I. Billy ; Tingey, Ward M. ; Schaefers, George A.

In: Environmental Entomology, 1997, vol. 26, no. 2, p. 250-255

Consortium of Swiss Academic Libraries

Stylet Penetration Activities by Aphis craccivora (Homoptera: Aphididae) on Plants and Excised Plant Parts of Resistant and Susceptible Cultivars of Cowpea (Leguminosae)

Annan, I. Billy ; Tingey, Ward M. ; Schaefers, George A. ; Tjallingii, W. F. ; Backus, Elaine A. ; Saxena, K. N.

In: Annals of the Entomological Society of America, 2000, vol. 93, no. 1, p. 133-140

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