Williamsonia

Williamsonia is a genus of small dragonflies in the family Corduliidae. They are commonly known as boghaunters. Unlike other genera of emerald dragonflies, they have dark eyes and nonmetallic bodies. The genus was established by entomologist William T. Davis and named after the American banker and amateur odonatologist Edward Bruce Williamson.

==Species== The genus consists of only two living species: {| class="wikitable sortable" |- ! Image !! Species !! Distribution |- |120px ||Williamsonia fletcheri – ebony boghaunter||southeastern Canada and the northeastern United States. |- |120px ||Williamsonia lintneri – ringed boghaunter|| United States ( Wisconsin, Michigan, New England, New York, and New Jersey) |- |}