Description: L: ~8 mm They are known as snail-killing flies, because their larvae parasite on Gastropoda (slugs & snails). Adult marsh flies feed on nectar. Phylum: Arthropoda Class: Insecta Order: Diptera Suborder: Brachycera Section: Schizophora Subsection: Acalyptratae Superfamily: Sciomyzoidea (marsh flies, Netzfliegen) Family: Sciomyzidae (Marsh flies or snail-killing flies, Schnecken- oder Hornfliege) Genus: Sepedon Latreille, 1804 Sepedon spinipes Scopoli, 1763 ? [det. "Taba Nuss", 2012, based on this photo] some info: pk-photography.blogspot.de/2011/05/marsh-fly-sepedon-spin.. more info: delta-intkey.com/britin/dip/www/sciomyzi.htm NE-Germany, Brandenburg: vic. Doberlug-Kirchhain, ca. 50m asl., 27.05.2012 IMG_0744. Date: 27 May 2012, 16:20. Source: Marsh-fly (Sciomyzoidea) from NE-Germany. Author: gbohne from Berlin, Germany.
"Longitude (deg): -1.9. Latitude (deg): 50.6. Longitude (deg/min): 1ð 60' W. Latitude (deg/min): 50ð 40' N. Vice county name: Dorset. Vice county no.: 9. Country: England. Stage: Female imago. Identified by: Malcolm Storey. Comment: ""2 females, by general sweeping"". Category: macro-photograph. Image scaling: highly enlarged. Background: silver background. Where photo was taken: On a microscope slide. Orientation: ""Left, or facing to left"". Photographic equipment used: Canon EOS600D dSLR and MP-E 65mm x1 to x5 macro lens. "