Frontina laeta is a species of fly in the family Tachinidae. Known hosts include Smerinthus ocellatus and Sphinx ligustri.
British Isles, Czech Republic, Estonia, Hungary, Latvia, Moldova, Poland, Slovakia, Ukraine, Denmark, Finland, Norway, Sweden, Corsica, Croatia, Italy, Portugal, Slovenia, Spain, Austria, Belgium, France, Germany, Netherlands, Switzerland, Japan, Kazakhstan, South Korea, Russia, Transcaucasia, China.