Dictya umbrarum

{{short description|Species of fly}}

{{Speciesbox

| image = Dictya umbrarum Glaslyn, North Wales, May 2013 - Flickr - janetgraham84.jpg

| image_caption = Dictya umbrarum North Wales

| display_parents = 4

| taxon = Dictya umbrarum

| authority = (Linnaeus, 1758)

| synonyms =*Musca umbrarum Linnaeus, 1758

• Pherbina paludosa Robineau-Desvoidy, 1830{{cite journal |last1=Robineau-Desvoidy |first1=André Jean Baptiste |title=Essai sur les myodaires |journal=Mémoires presentés à l'Institut des Sciences, Lettres et Arts, par divers savants et lus dans ses assemblées: Sciences, Mathématiques et Physique |date=1830 |volume=2 |issue=2 |pages=1–813 |url=https://www.biodiversitylibrary.org/page/3472165#page/9/mode/1up |accessdate=15 July 2018}}

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Dictya umbrarum is a species of fly in the family Sciomyzidae. It is found in the Palearctic and Nearctic.Fauna EuropaeaBei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Parts I. II. Amerind Publishing Co., New Delhi. {{ISBN|81-205-0080-6}} {{ISBN|81-205-0081-4}}

Long. : 4-5 mm. Intensely spotted wings. The interocular space with a black mark at the anterior orbital. The face is white with a black or brown central point. The antennae are reddish, the arista yellow at the base. The body is black (au fond) covered in a grey yellow pruinosity with shifting (changeant) brown spots on the abdomen. The femora are grey with a brown apical band. The tibia are yellow with a brown apical ring (anneau).Séguy, E. (1934) Diptères: Brachycères. II. Muscidae acalypterae, Scatophagidae. Paris: Éditions Faune de France 28 [http://faunedefrance.org/bibliotheque/docs/E.SEGUY(FdeFr28)Dipt.Brachyceres.pdf Bibliotheque Virtuelle Numerique pdf]

For terms see Morphology of Diptera.

Dictya montana is a predator of aquatic pulmonate snails with no apparent parasitoid tendency.

R. J. McDonnell,T.D. Paine, R. E. Orth and M. J. Gormally,2007 Life history and biocontrol potential of Dictya montana Steyskal, 1954

(Diptera: Sciomyzidae) a, snail-killing fly The Pan-Pacific Entomologist 83(2):101-109(2007) {{usurped|1=[https://web.archive.org/web/20170324084045/http://www.trinidadbirding.com/publications/0913.23_Mc_Donnell,_Paine,_Orth,_and_Gormally_2007._Life_history_and_biocontrol_potential_of_Dictya_montana_Steyskal,_1954_(Diptera_Sciomyzidae),_a_snail-killing_fly.pdf]}}