Ron, I saw this for the first time this year. Here, my standard practice is to prop the outer cover up with a stick to afford 1/2" space above the inner cover for improved vent. and an upper entrance. The bees don't seem to see this as a violation of bees space as it is outside the hive, above the inner cover. A colony propolized the gap in the covers nearly closed (unusual here) and was the only hive of the 6 I had there to do so. It ran, down the outside of the box. Thought I'd pass on I saw the same thing. Thom Bradley Chesapeake, VA "BOGANSKY,RONALD J." wrote: > They collect a lot of it and it appears to "run" like melted wax down the comb > during warm weather. When I first saw it I thought someone had dumped > something down the hole in the inner cover. It literally dripped down across > capped comb. When the substance is cooler it is hard and brittle almost like > dried varnish. It does not smell funny or different and it even tastes like > propolis although I have never seen propolis run. > Kutztown, (eastern) PA, USA