Insect Library

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MUD DAUBERS (Several Genera)

Biology

  • Large, ½ to 1 inch in length, robust, resemble bumble bees, but abdomen is dark, shiny and relatively hairless.

Distribution/Habits

  • Tunnel into wood
  • Prefer bare unpainted or unstained wood
  • Attack wooden decks, fascia boards, fences, wood siding and window sills
  • Entrance hole measures 3/8 to ½ inch in diameter.
  • Normally there is a pile of sawdust below entrance hole.