Rat-tail-maggot-fly
Guides
Arctosyrphus willingii
northern longbeak
Arctosyrphus willingii, known as the northern longbeak, is a species of hoverfly in the family Syrphidae. It is a medium-sized fly, 11–12 mm in length, with distinctive sexual dimorphism in frons width and wing coloration. The species was formerly classified under the genus Lejops. It is restricted to boreal and subarctic regions of North America.
Polydontomyia
dimorphic sickleleg
Polydontomyia is a monotypic genus of hoverflies (family Syrphidae) containing a single species, Polydontomyia curvipes. The genus was established by Williston in 1896 and was formerly classified under Lejops. The species is commonly known as the dimorphic sickleleg, a reference to its distinctive leg morphology.