July 31, 2026
The Limits and Damage of Rat Poison
Chicago's watchdog agency just released a report detailing the failures of the city's rat-control efforts-- beginning with the over-reliance on…
On Monday I said…
A friend writes: “When I sat down on the red bench by the door to Lee Memorial Library, I saw this nest above it.” It apparently is some sort of bee/wasp/hornet/ yellowjacket nest. What is it? And should it be left alone or what?
A big thanks to Jim Molzan for IDing the nest. It is the nest of a mud wasp, a.k.a. a mud dauber wasp.
The wasps are benfefcial are harmless if keft alone.
More on mud dauber wasps here:
https://yardandgarden.extension.iastate.edu/encyclopedia/mud-dauber-wasp