. Diseases of bees. Bees. Fig. 2.—American foul brood : o, 5, J, normal sealed cells; c. ;. sunken cappings, showing perforations; g^ sunken oappin::: not perforated; 7i. I, m, n, g, r, larvae affected by disease; e, i, p, /<, scales formed from dried-down larvse; (?, o, pupfe affected by disease. Three times natural size. (Orisrinal.) At this time it is sealed over in the comb (fig. 2. a, h, /). The first indication of the infection is a slight brownish discoloration and the loss of the well-rounded appearance of the normal larva (fig. 2. I). At this stage the disease is not usuallj' recog
. Diseases of bees. Bees. Fig. 2.—American foul brood : o, 5, J, normal sealed cells; c. ;. sunken cappings, showing perforations; g^ sunken oappin::: not perforated; 7i. I, m, n, g, r, larvae affected by disease; e, i, p, /<, scales formed from dried-down larvse; (?, o, pupfe affected by disease. Three times natural size. (Orisrinal.) At this time it is sealed over in the comb (fig. 2. a, h, /). The first indication of the infection is a slight brownish discoloration and the loss of the well-rounded appearance of the normal larva (fig. 2. I). At this stage the disease is not usuallj' recognized by the bee- 442. 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
Size: 1919px × 1302px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectbees