Search
Now showing items 1-2 of 2
Population dynamics of pine woolly aphid, Pineus pini (Gmelin) (Hemiptera: Adelgidae), in Kenya
(1980)
The population dynamics of Pineus pini (Gmel.) was examined in two locations in the Kenya Highlands where the mean annual precipitation ranges from 620 to 1400 mm. Variations in population densities were related to rainfall. ...
Sequential surveys for the pine woolly aphid, Pineus pini (L.) Homoptera: Adelgidae in Kenya
(1980)
Sequential survey procedures are described from Kenya for classifying the damage caused by the aphid Pineus pini (Gmel.) to Pinus patula. The criteria used are the degree of needle stunting caused by a given number of ...