Legend key for the drawing of a honeycomb infected with American foulbrood.<br>a, b, f: normal sealed cells<br>c, j: sunken cappings showing perforations<br>g: sunken capping not perforated<br>h, l, m, n, q, r: larvae affected by disease<br>e, i, p, s: scales formed from dried-down larvae<br>d, o: pupae affected by disease
Everett Franklin Phillips
2012-07-29
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