CLOSED: Who's been eating my Brug?

Fremont, CA(Zone 9a)

There are large droppings, as if a caterpillar has been at work, but I see none. I did see this mud thing (nest?) It is a little more than 1/4" across and a little deeper, with a very small opening into it. Any ideas what is living in here?

Thumbnail by PotEmUp
Phoenix, AZ(Zone 9a)

It looks like a wasp nest. Maybe the wasp got the caterpillar that was eating your brugs?

Fremont, CA(Zone 9a)

Thanks, that is sort of what I thought. This encouraged me to do more searching and I think I found that it is from a Potter Wasp
This also explains why I didn't find the caterpillar. I think I like this wasp.

Mysore, India(Zone 10a)

We have them here like that. I have seen one actually build a 'pot nest' like that. Very interesting. You may find a little insect or two inside.

Churchill, Victoria, Australia(Zone 10a)

Here is a similar wasp nest, built in Australia, by the Mud-dauber Wasp - Sceliphron formosum. We were doing revegetation work in Morwell National Park and found these wasp nests on a stick supporting a tree-guard in the park. There were 6 or 7 of them, some still closed, so presumably with a wasp larva inside. This one was wide open and the wasp was flown.

Thumbnail by kennedyh
Fort Pierce, FL(Zone 10a)

I had one of the little round thingys on a window pane. The next day there were two, now I have three. I can see into the bottom of one, looking through the glass, and it looks like larva of some kind. I thought they might be Wasps because we have so many that build nests around here.

Fremont, CA(Zone 9a)

Kennedyh, that nest is less rounded than what I have. Mine also has an opening much smaller, relatively. Apparently the Delta campaniforme is also found in your neck of the woods. Mine and a relative of yours
Both are very similar looking, but the nests are very distinctive.
Dinu helps to show how universally adaptable these creatures are. They colonized the world, much quicker than we mere humans.
Patischell, I concur with your technical term, but I think it is spelled thingies. ;-}

Fort Pierce, FL(Zone 10a)

Thanks POT, I was never any good at spelling all those technical terms.LOL

P.S. My thingies are sort of lop-sided

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