MUD WASP NEST

The mud wasp nests I usually find inside or outside our house look like this one on a windowsill:

Sometimes they look like this one on the outside wall of our house:

The picture below shows a wasp nest that had been built between a box on top of a built-in cupboard and the ceiling, which probably accounts for the squat shape. You can see ceiling paint on the top of it:

The back of the nest looks like this – note what is left of a spider in one of the cells:

This nest was probably built by a Mud Dauber Wasp (Sceliphron spirifex) which commonly builds multi-celled mud nests attached to walls or even tree trunks. Each cell is provisioned with a spider that has been paralysed in order to provide food for the emerging larvae.

Here is a not very clear picture of a wasp spotted in the garden taking a spider to its nest.

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6 thoughts on “MUD WASP NEST

  1. They are so clever and I’m sure they play an important role in the eco-environment, but I’d rather they do not try and build their nests under the patio awning. Great pics though.

    Like

    • The paralysed spiders provide enough food for the duration of the larva’s life. All that remains of the spider afterwards are the skin and the legs.

      Like

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