Detecting American Foulbrood with a Blacklight: UPDATE

For clarification, using a blacklight is supposed to help you see if there are AFB scales in the bottom of a cell. The blacklight will make other things made of protien glow as well, so always double check that what you are seeing is a scale and not shaped like something else. An AFB scale should only be on the bottom of a cell (see picture). Be sure to look at the comb under a normal light as well, and if you are still not sure then ask or you can even send in a picture!

American Foulbrood scale

The view of this picture where someone is holding the top of the frame and looking down into the bottom of the cells. You can see AFB scales all over in this picture – they are the dark, flat shapes on the bottom of the cells.

  • http://wildernessbees.com Judy Harvey

    Was wondering if you have drawn any conclusions regarding the significance of the nosema ceranae data you collected in California as part of the Honey Bee Tech-Transfer Team at University of California Cooperative Extension …we have been working on nosema tolerance in our queen breeding program for many years and would appreciate any input you might have gained. thank you.. Judy Harvey for the Olympic Wilderness Apiary