Specimen of Exechia, photographed by L. Weitten.

Belongs within: Mycetophilidae.

Exechia is a genus of fungus gnats characterised by the presence of a basal bristle on the hind coxa, and the cubital vein forking more distally than vein M (Tonnoir & Edwards 1927).

Characters (from Tonnoir & Edwards 1927): Anepisternal and pteropleural bristles absent; hind coxae with a fairly strong bristle at the base; empodia absent or rudimentary; hind tibial comb indefinite or absent; base of cubital fork beyond that of M.

<==Exechia [incl. Brachydicrania] TE27
    |--E. biseta Edwards in Tonnoir & Edwards 1927 TE27
    |--E. clypeata P76b
    |--E. cornuta P76b
    |--E. dentata P76b
    |--E. exigua P76b
    |--E. festiva P76b
    |--E. filata Edwards in Tonnoir & Edwards 1927 TE27
    |--E. frigida JP76
    |--E. hiemalis (Marshall 1896) [=Brachydicrania hiemalis] TE27
    |--E. howesi Edwards in Tonnoir & Edwards 1927 TE27
    |--E. indecisa JP76
    |--E. intersecta P76b
    |--E. lackschewitziana P76b
    |--E. landrocki P76b
    |--E. leptura P76b
    |--E. novaezelandiae Tonnoir in Tonnoir & Edwards 1927 TE27
    |--E. praedita Plassmann 1976 P76a
    |--E. pseudopulchella P76b
    |--E. seducta Plassmann 1976 P76a
    |--E. spinuligera JP76
    |--E. thomsoni Miller 1918 (n. d.) TE27
    `--E. unguiculata P76b

*Type species of generic name indicated


[JP76] Joost, W., & E. Plassmann. 1976. Mycetophiliden aus dem Zentralkaukasus (Diptera: Mycetophilidae). Senckenbergiana Biologica 57 (1-3): 67-68.

[P76a] Plassmann, E. 1976a. Vier neue Mycetophiliden aus der ökologischen Station Messaure/Schweden (Diptera: Mycetophilidae). Senckenbergiana Biologica 57 (1-3): 73-76.

[P76b] Plassmann, E. 1976b. Vierter Nachtrag zu der Mycetophiliden-Sammlung des Senckenberg-Museums Frankfurt am Main (Diptera; Mycetophilidae). Senckenbergiana Biologica 57 (1-3): 77-79.

[TE27] Tonnoir, A. L., & F. W. Edwards. 1927. New Zealand fungus gnats (Diptera, Mycetophilidae). Transactions and Proceedings of the New Zealand Institute 57: 747-878.

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