(Sympycnus) (Sympycnus) is a biological genus in the family Dolichopodidae (Longlegged Flies) and order Diptera (Gnats).
Sympycnus aldrichi
Sympycnus arizonicus
Sympycnus aurifacies
Sympycnus basistylatus
Sympycnus binodatus
Sympycnus brevicauda
Sympycnus brevicentris
Sympycnus brevipes
Sympycnus calcaratus
Sympycnus cilifemoratus
Sympycnus clavatus
Sympycnus clavicornis
Sympycnus cuprinus
Sympycnus distortus
Sympycnus fasciventris
Sympycnus fortunatus
Sympycnus frontalis
Sympycnus globulicauda
Sympycnus hardyi
Sympycnus hastatus
Sympycnus inaequalis
Sympycnus inornatus
Sympycnus insolitus
Sympycnus isoaristus
Sympycnus laevigatus
Sympycnus latitarsis
Sympycnus lineatus
Sympycnus longinervis
Sympycnus lutiepes
Sympycnus marcidus
Sympycnus minuticornis
Sympycnus montanus
Sympycnus monticola
Sympycnus nodatus
Sympycnus oreas
Sympycnus pectoralis
Sympycnus pennarista
Sympycnus pictipes
Sympycnus pugil
Sympycnus pulvillus
Sympycnus setosus
Sympycnus sobrinus
Sympycnus tertianus
Sympycnus tripilus
Sympycnus utahensis
Achalcus
Achradocera
Aphrosylus
Apterachalcus
Argyra
Asyndetus
Calyxochaetus
Campsicnemus
Chrysosoma
Chrysotimus
Chrysotus
Condylostylus
Diaphorus
Diostracus
Dolichopus
Enlinia
Eurynogaster
Gymnopternus
Harmstonia
Hercostomus
Hydatostega
Hydrophorus
Hypocharassus
Keirosoma
Lamprochromus
Liancalus
Medetera
Melanderia
Mesorhaga
Micromorphus
Nanomyina
Nematoproctus
Neoparentia
Neurigona
Neurigonella
Paraclius
Paraliancalus
Paraphrosylus
Parasyntormon
Pelastoneurus
Peloropeodes
Plagioneurus
Psilopiella
Rhaphium
Scellus
Scepastopyga
Sciapus
Sigmatineurum
Sympycnidelphus
Sympycnus
Syntormon
Systenus
Tachytrechus
Telmaturgus
Teuchophorus
Thinophilus
Thrypticus
Xanthina
Xanthochlorus