'''''Ectophasia crassipennis''''' is a species of 'parasitic flies'fly ofin the familysubfamily [[TachinidaePhasiinae]],subfamilyof the family [[PhasiinaeTachinidae]].<ref>[{{Cite web |title=''Ectophasia crassipennis'' (Fabricius, 1794) |url=https://www.biolib.cz/en/taxon/id124681/ Biolib]|access-date=2024-07-03 |website=BioLib}}</ref>
==Description==
Adults of ''Ectophasia crassipennis'' can reach a length of about {{convert|5|-|9|mm}} and exhibit considerable variability in coloration, ranging from blackish to orange-brownish hues. Their large compound eyes are reddish. Notably, the species boasts a broad, flattened abdomen with ventrally folded sternite 7, while its large wings feature wide brownish or greyish dots, with the cell R5 being open at the edge. The large wings have wide brownish or greyish dots and the cell R5 is opened at the edge.<ref name="fa">[{{Cite web |title=INSECTES15-53 |url=http://aramel.free.fr/INSECTES15-53.shtml Aramel|access-date=2024-07-03 |website=aramel.free].fr}}</ref><ref name=fc>{{Cite web |url=http://tachinidae.org.uk/blog/?page_id=343&q=Ectophasia+crassipennis&t=name |title=Tachinidae.org |access-date=24 October 2014 |archive-date=4 March 2016 |archive-url=https://web.archive.org/web/20160304085641/http://tachinidae.org.uk/blog/?page_id=343&q=Ectophasia+crassipennis&t=name |url-status=dead }}</ref> Distinguishing ''Ectophasia crassipennis'' from its similar counterpart, ''Ectophasia oblonga'', can pose a challenge due to their morphological similarities.<ref name="fz">[{{Cite web |title=Ectophasia crassipennis / Breitflügelige Raupenfliege / Raupenfliegen - Tachinidae |url=http://www.naturspaziergang.de/Zweifluegler/Tachinidae/Ectophasia_crassipennis.htm Naturspaziergang]|access-date=2024-07-03 |website=www.naturspaziergang.de}}</ref>
==Distribution==
This fly is present in Southern [[Europe]] and warmer parts of Central [[Europe]], where it thrives in diverse habitats.<ref name=fc/><ref>[{{Cite web |date=2012-10-19 |title=Fauna Europaea : Taxon Details |url=https://web.archive.org/web/20121019094315/http://www.faunaeur.org/full_results.php?id=144272 Fauna|access-date=2024-07-03 Europaea]|website=web.archive.org}}</ref> It also occurs in Asia in Russia, Japan, and China.<ref name="O'Hara et al. 2009"/>