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Grey chi
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<h2 id="technical-description-and-variation">Technical description and variation</h2> <p class="note">For a key to the terms used, see <a href="/facts/Glossary_of_entomology_terms/FVWGe7xo">Glossary of entomology terms</a>.</p> <p><i>A. chi</i> L. (33 i, 34 a). Forewing chalk white, grey-speckled; the lines double, grey; median area darker, the stigmata pale grey and conspicuous; the claviform at extremity edged with black and joined by a black dash to the inner blacker arm of outer line; submarginal line formed of whitish spots preceded by black wedge shaped marks; hindwing of male white with interrupted grey submarginal band; of female blackish grey, with darker cellspot, veins, and outer line; the females are always darker grey than the males; — <i>olivacea</i> Stph. (34 a) from Scotland is suffused throughout with olive grey; — <i>subcaerulea</i> Graes., from N. E. Amurland, is dark bluish grey in the forewing;- <i>suitusa</i> Robson is a dark grey form from the North of England, of which the males are equally dark with the females an extreme local development of this form from the neighbourhood of Huddersfield, Yorkshire, ab. <i>nigrescens</i> Tutt is nearly black; ab. <i>langei</i> Harrison (34 a) is like <i>olivacea</i> but the submarginal line is absent, and the black marks preceding it wholly or nearly obsolete. Larva green, finely dotted with yellow; dorsal and subdorsal lines whitish; spiracular line yellowish white, diffusely dark green above .<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a> </p> <h2 id="biology">Biology</h2> <p>This moth flies at night in August and September<a href="https://en.wikipedia.org/wiki/Grey_chi#endnote_flight_season">[1]</a> and is attracted to light and sugar. </p><p>The <a href="/facts/Larva/GKo2FIew">larva</a> feeds on the <a href="/facts/Leaf/1m6wCNTg">leaves</a> and <a href="/facts/Flower/7gI5Kefw">flowers</a> of a variety of <a href="/facts/Plant/X5BMDMvS">plants</a> (see list below). The species overwinters as an <a href="/facts/Egg_(biology)/KyMSx9v4">egg</a>. </p> <ol><li>^ <i>The flight season refers to the <a href="/facts/British_Isles/4fBquvMU">British Isles</a>. This may vary in other parts of the range.</i></li></ol> <h2 id="subspecies">Subspecies</h2> <ul><li><i>Antitype chi chi</i></li> <li><i>Antitype chi subcaerulea</i> (Graeser, 1889) (<a href="/facts/Russian_Far_East/BT7sYGTP">Russian Far East</a>)</li></ul> <h2 id="recorded-food-plants">Recorded food plants</h2> <ul><li><i>Artemisia</i> - <a href="/facts/Mugwort/lPMyGlmU">mugwort</a></li> <li><i><a href="/facts/Convallaria/xnuPh4Ee">Convallaria</a></i> - lily-of-the-valley</li> <li><i>Helianthus</i> - <a href="/facts/Jerusalem_artichoke/gD1ceLcd">Jerusalem artichoke</a></li> <li><i>Lactuca</i> - <a href="/facts/Lettuce/o68aNEJX">lettuce</a></li> <li><i>Lathyrus</i> - <a href="/facts/Meadow_vetchling/25AVGtdJ">meadow vetchling</a></li> <li><i><a href="/facts/Lychnis/Avsj568W">Lychnis</a></i> - campion</li> <li><i>Ribes</i> - <a href="/facts/Blackcurrant/dtdfcy2G">blackcurrant</a></li> <li><i><a href="/facts/Rumex/ezPcQxCS">Rumex</a></i></li> <li><i>Salix</i> - <a href="/facts/Willow/F66Xvslm">willow</a></li> <li><i>Saxifraga</i> - <a href="/facts/Saxifrage/1fLFLyTF">saxifrage</a></li> <li><i><a href="/facts/Sedum/ysUlfNKG">Sedum</a></i> - stonecrop</li> <li><i><a href="/facts/Silene/Avsj568W">Silene</a></i> - campion</li> <li><i><a href="/facts/Sonchus/BrLWQavB">Sonchus</a></i> - sow thistle</li> <li><i>Taraxacum</i> - <a href="/facts/Dandelion/VlPP0mTn">dandelion</a></li> <li><i><a href="/facts/Triglochin/t74DDDjX">Triglochin</a></i></li> <li><i>Urtica</i> - <a href="/facts/Stinging_nettle/Bz1qWXXW">stinging nettle</a></li> <li><i>Viburnum</i> - <a href="/facts/Viburnum_opulus/MDaXkR8p">guelder rose</a></li></ul> <p>See.<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> </p> <ul><li><a href="/facts/Michael_Chinery/rKMlsxBY">Chinery, Michael</a> (1986, reprinted 1991). <i>Collins Guide to the Insects of Britain and Western Europe</i>.</li> <li><a href="/facts/Bernard_Skinner_(entomologist)/ILGyXlEG">Skinner, Bernard</a> (1984). <i><a href="/facts/The_Colour_Identification_Guide_to_Moths_of_the_British_Isles/KYKuC1tY">The Colour Identification Guide to Moths of the British Isles</a></i>.</li></ul> <h2 id="external-links">External links</h2> Wikimedia Commons has media related to Antitype chi. <ul><li>Kimber, Ian. <a href="https://www.ukmoths.org.uk/species/antitype-chi/adult-2/">"73.228 BF2254 Grey Chi <i>Antitype chi</i> (Linnaeus, 1758)"</a>. <i>UKMoths</i>. Retrieved 30 June 2019.</li> <li>Savela, Markku. <a href="https://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/noctuoidea/noctuidae/xyleninae/antitype/#chi">"<i>Antitype chi</i> (Linnaeus, 1758)"</a>. <i>Lepidoptera and Some Other Life Forms</i>. Retrieved June 30, 2019. Taxonomy</li> <li><a href="https://web.archive.org/web/20160304213657/http://www.faunaeur.org/full_results.php?id=448001"><i>Fauna Europaea</i></a></li> <li><a href="http://www.lepiforum.de/cgi-bin/lepiwiki.pl?Antitype_Chi"><i>Lepiforum e.V.</i></a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Warren. W. in Seitz, A. Ed., 1914 Die Großschmetterlinge der Erde, Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914 This article incorporates text from this source, which is in the public domain. <a href="/wiki/William_Warren_(entomologist)" target="_blank">/wiki/William_Warren_(entomologist)</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Robinson, Gaden S.; Ackery, Phillip R.; Kitching, Ian J.; Beccaloni, George W.; Hernández, Luis M. (2010). "Search the database - introduction and help". HOSTS - A Database of the World's Lepidopteran Hostplants. Natural History Museum, London. <a href="https://www.nhm.ac.uk/our-science/data/hostplants" target="_blank">https://www.nhm.ac.uk/our-science/data/hostplants</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> </ol>