. Gleanings in bee culture . he outside appearances of disease, so thatmany, seeing the photograph only, would be deceiv-ed. The Bureau of Kntoraology of the United StatesDepartment of Agriculture has just issued (May 6,1911) Farmers Bulletin 442, on the subject of TheTreatment of Bee Diseases. The illustrations inthe form of carefully made pen drawings beingahead of any thine we have previously seen, we atonce asked permission to reproduce them for ourreaders, and the following is an extract from thisbulletin, with the illustrations that go with it.—Ed.] AMERICAN FOUL BROOD. American foul bro
. Gleanings in bee culture . he outside appearances of disease, so thatmany, seeing the photograph only, would be deceiv-ed. The Bureau of Kntoraology of the United StatesDepartment of Agriculture has just issued (May 6,1911) Farmers Bulletin 442, on the subject of TheTreatment of Bee Diseases. The illustrations inthe form of carefully made pen drawings beingahead of any thine we have previously seen, we atonce asked permission to reproduce them for ourreaders, and the following is an extract from thisbulletin, with the illustrations that go with it.—Ed.] AMERICAN FOUL BROOD. American foul brood is frequently calledsimply foul brood. It usually shows it-self in the larva just about the time that thelarva fills the cell and after it has ceased July 1. 1911 405 feeding and has begun pupation. At tliistime it is sealed over in the comb (Fig. 2, o,b,f). The first indication of the infectionis a sHght brownish discoloration and theloss of the well-rounded ajipearance of thenormal larva (Fig. 2, I). At this stage the. ly removed by the bees; but when they areleft they usually become sunken (Fig. 2, g,c,j) and frequently perforated (Fig. 2, c,J).As the healthy brood emerges the combshows the scattered sunken cappings cover-ing dead larvip (Fig. 4), giving it a charac-teristic appearance. Pu]jct^ also niaydie of this disease, inwhich case they, too,dry down (Fig. 2, o,d), become ropy, andhave the character-istic odor and tongue frequent-ly adheres to the up-\^er side wall andoften remains thereeven after the ]iupahas dried down to a
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectbees, bookyear1874
