File:Pherbellia annulipes (Sciomyzidae) - Ring-legged Snailkiller.jpg
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| Description |
English: L: 3.4-5.3mm
characteristics: The dark-ringed legs separate this species from all other British (and German?) Pherbellia except. P. nana, which has series of wings spots between veins R4+5 and Cu (only cross veins clouded in P. annulipes) and is smaller. biology: this fly usually lays her eggs at mossy trunks (bemooste Baumstümpfe), larvae prey on land snails as parasites (an Landschnecken als Parasiten). This is a scarce species of old broadleaved woodlands [....] The larvae have been reared from a terrestrial snail Discus rotundatus in the lab. Adults have been recorded from May until August. [Steve Falk on flickr: www.flickr.com/photos/63075200@N07/sets/72157678832574040/] Most striking characters, the abdomen, the front legs and the wings, are used to scare of other flies and to attract females (SMIT& HAMERS, 2012). Males often run agitated on tree bark or moss, swinging their front legs in front of them and twisting their abdomen. The wings are held open with markings clearly visible (FRITZ, 2013; SMIT&HAMERS, 2012). These characters were filmed and made available online by FRITZ (2013). [MORTELMANS 2013, Begian Bulletin 149: 197-200] Phylum: Arthropoda LATREILLE, 1829 (arthropods, Gliederfüßer) Subphylum: Hexapoda BLAINVILLE, 1816 (Sechsfüßer) Class: Insecta LINNAEUS, 1758 (insects, Insekten) Subclass: Pterygota LANG, 1888 (Fluginsekten) Infraclass: Neoptera MARTYNOV, 1923 Order: Diptera LINNAEUS, 1758 (true flies, mosquitoes & gnats, Zweiflügler) Suborder: Brachycera SCHINER, 1862 (true flies, Echte Fliegen) Infraorder: Muscomorpha [Syn.: Cyclorrhapha BRAUER, 1863] Superfamily: Sciomyzoidea FÁLLEN, 1820 Family: Sciomyzidae FÁLLEN, 1820 (marsh flies, Netzfliegen oder Hornfliegen) Subfamily: Sciomyzinae FÁLLEN, 1820 Tribus: Sciomyzini FÁLLEN, 1820 Genus: Pherbellia ROBINEAU-DESVOIDY, 1830 Pherbellia annulipes ZETTERSTEDT, 1846 ( Ring-legged Snailkiller) [confirmed by "jonas", 2017, based on this photo via diptera.info] some info: en.wikipedia.org/wiki/Pherbellia www.insektenbox.de/zweifl/pheann.htm mating (video): upload.wikimedia.org/wikipedia/commons/8/83/Pherbellia_an... Central Germany, N-Hesse, Hofgeismar, 2 km SW Beberbeck: Sababurg, 270-340m asl., 06.06.2016 IMG_8161 |
| Date | |
| Source | https://www.flickr.com/photos/gbohne/28361132340/ |
| Author | gbohne |
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This image was originally posted to Flickr by gbohne at https://flickr.com/photos/51216897@N07/28361132340. It was reviewed on 28 September 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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