From: cslade777@aol.com
Date:
Tue, 1 Jan 2002 19:21:40 EST
To: BiologicalBeekeeping@yahoogroups.com
Subject:
Re: Brood diseases

In a message dated 01/01/02 20:44:37 GMT Standard Time, RSBrenchley@aol.com
writes:

<< EFB is a puzzle. It was localised here until fairly recently, and has since become commoner; it's now running at about 1000 cases a year. It's very much a disease of southern England, and it's hard to think of a factor which would be at work there but not in Wales or Scotland. >>

Look at the diagram showing the "contour lines" for hybridisation in Cooper's
book and compare it with the CSL map of where nearly all the EFB is.

Chris