Dictya umbrarum explained

Dictya umbrarum is a species of fly in the family Sciomyzidae. It is found in the Palearctic and Nearctic.^{[1] [2]} 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). ^[3] For terms see Morphology of Diptera.Dictya montana is a predator of aquatic pulmonate snails with no apparent parasitoid tendency.^[4]

External links

• Images representing Dictya umbrarum at BOLD

Notes and References

1. [Fauna Europaea]
2. Bei-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.
3. Séguy, E. (1934) Diptères: Brachycères. II. Muscidae acalypterae, Scatophagidae. Paris: Éditions Faune de France 28 Bibliotheque Virtuelle Numerique pdf
4. 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) 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