mud dauber
US /ˈmʌd ˌdɑː.bər/
UK /ˈmʌd ˌdɑː.bər/

1.
guêpe maçonne, sphex
any of various solitary wasps that construct nests of mud, typically in sheltered locations, and provision them with paralyzed spiders or insects for their larvae to feed on
:
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A mud dauber built its nest under the eaves of the house.
Une guêpe maçonne a construit son nid sous les avant-toits de la maison.
•
We watched the mud dauber meticulously gather mud for its construction.
Nous avons observé la guêpe maçonne recueillir méticuleusement de la boue pour sa construction.