. British bee-keeper's guide book to the management of bees in movable-comb hives, and the use of modern bee-appliances. Illustrated. Bee culture. DISEASES. 189 the abdomen, and also discovered threads of mycelium encircling the tracheae (Fig. 126: a, spore; b, myce- lium ; c, yeast-like cell), in some cases so thickly as to prevent the circulation of air for the distension of the air sacs. This is the reason why the bees are unable to fly. Spores developing mycelium were also found in abundance in the lower portion of the abdomen. and these, pressing on the large intestine, obstruct the anal


. British bee-keeper's guide book to the management of bees in movable-comb hives, and the use of modern bee-appliances. Illustrated. Bee culture. DISEASES. 189 the abdomen, and also discovered threads of mycelium encircling the tracheae (Fig. 126: a, spore; b, myce- lium ; c, yeast-like cell), in some cases so thickly as to prevent the circulation of air for the distension of the air sacs. This is the reason why the bees are unable to fly. Spores developing mycelium were also found in abundance in the lower portion of the abdomen. and these, pressing on the large intestine, obstruct the anal opening and cause abdominal disten- sion. In some districts of Germany Mucor melitto- phfhorus attacks a great number of both young and old bees, and is so abundant in some colonies that it frequently stops up the chyle stomach completely with. Fig. 126.—JJiuor niucedo encircling Tracheae. B, mycelium ; C, yeast-like cell. A, spore spores. In this way digestion is impeded, and, accord- ing to Drs. Leuckart and Donhoff, violent dysentery 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 Cowan, T. W. (Thomas William), 1840-1926. London, Madgwick, Houlston


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Keywords: ., bookautho, bookcentury1900, bookdecade1910, booksubjectbeeculture