Montana Wildlife Gardener: Build a Mason Bee House in 5 Minutes
With links to studies on efficacy of intervention in building bee habitat. (Results: meh, but doesn’t make things worse.)
an appendix to pearlofcivilization.net
Montana Wildlife Gardener: Build a Mason Bee House in 5 Minutes
With links to studies on efficacy of intervention in building bee habitat. (Results: meh, but doesn’t make things worse.)