. Circular. Insect pests; Insect pests. Fig. 4.—San Jos(5 Scale: male adult—greatly enlarged. (Original.) fruit. When abundant the fruit is destroyed. One of the most char- acteristic points in the appearance of the insect upon fruit is the purple discoloration around the edge of each scale. So far as we know this. 1IG. 5.—San Jos^ Scale: c, adult female containing young—greatly enlarged; d, anal fringe of same- still more enlarged. (Original.) result is confined to this one scale-insect. An infested pear is shown at Fig. 1, a. Upon the leaves the insects have a tendency to collect along the m


. Circular. Insect pests; Insect pests. Fig. 4.—San Jos(5 Scale: male adult—greatly enlarged. (Original.) fruit. When abundant the fruit is destroyed. One of the most char- acteristic points in the appearance of the insect upon fruit is the purple discoloration around the edge of each scale. So far as we know this. 1IG. 5.—San Jos^ Scale: c, adult female containing young—greatly enlarged; d, anal fringe of same- still more enlarged. (Original.) result is confined to this one scale-insect. An infested pear is shown at Fig. 1, a. Upon the leaves the insects have a tendency to collect along the midrib on the upper side of the leaf, in one or more quite regular. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Entomology. [Washington, D. C. ] : The Division


Size: 1419px × 1760px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauth, bookcentury1800, bookdecade1890, booksubjectinsectpests