The Red-tipped Clearwing (Synanthedon formicaeformis) is a moth of the Sesiidae family.
One of the rarest is the Red-tipped Clearwing, Synanthedon formicaeformis, which was recorded three times in July 2006; this inconspicuous and elusive moth had only been recorded 12 times before in County Durham, the last occasion being in 1948, also in the Waldridge Fell area.