After a season the wire mesh breaks down, not sure why but the following season you have to replace. This year i bit the bullet and ordered the replace meant mesh from Man Lake.
Brushy Mountain Bee Farm produce a plastic entrance feeder that's $3.25 each and holds about 1.3lts of sugar water. So far they have been pretty good and have survived being outside in heat and cold for a whole season. There are two things that i don't like about them. They encourage robbing. My friend Albert suggesting modifying my bottom boards so that they could be placed in the back which i haven't had time to do yet. Because of the fit of the bottom to the cup there is a capillary action which results in the bee's being able to feed on the outside further encouraging robing.
I have also noticed this year that the ones from last season the plastic has gone very hard and britle. I got some more this year so i will check on them and see if they fair any better.
I also have the internal black kind. So far there are a number of things i don't like about them. First they only fit in a deep so you have to take the hive apart to get to them and secondly they seem to drown a large number of bee's. I am interested in the new kind from Mann Lake with the Bee lander and might make something similar for mine to experiment with this year.






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