Genus

Euodynerus 

mason wasp

Euodynerus sp.
Unknown species of foraminatus-group
wasp going into cavity in wood fence post

Species of the Euodynerus genus in the Wild Florida Photo database:

  Euodynerus apopkensis
Apopka Mason Wasp
No photo posted for APOPKA MASON WASP
  Euodynerus boscii
    var. boharti
Mason Wasp
No photo posted for MASON WASP
  Euodynerus sp.
Unknown Species Of Foraminatus-group

The genus Euodynerus is a member of the Vespidae - Yellowjackets, Hornets and some Wasps family.