General information:
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Tinea boletella Fabricius, 1794: 287. Type locality: Austria (Fabricius 1798) Type: 1 specimen in coll. zoological museum, Copenhagen (ZMUC)
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Synonyms, misspellings, wrong determinations, etc.: Phycis boleti Fabricius, 1798: 463. Junior subjective synonym. Noctua polypori Esper, 1804. Junior subjective synonym. Duomitella relicta Kozhantshikov, 1923. Junior subjective synonym. |
Habit:
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 : Upper Austria, Totes Gebirge, Offensee, 1973.08.08, leg. Weber, coll. Haus der Natur, Salzburg |
 : Russia, Omsk reg., Bol´sheukovsky distr., 39 km NW Bol´shiye Uki vill., Abakshikha, 2019.07.14, leg. Knyazev S. A., coll. Michael Kurz |
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| Picture from: Kurz Michael Detailed view |
Picture from: Kurz Michael Detailed view |
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Description of adults: Examined: 2 , amendments following Hannemann (1977). Forewing lenght: 20-22 mm. Vestiture of hair-like scales on the head dirty light yellow; second segment of labial palpi with short, broad black-brown tuft of scales; forewings broad, umber brown, somewhat sprinkled creamy; inner and outer margin broadly creamy, mixed light brown and sprinkled blackish; light colour along inner margin antemedially with a large, rounded projection, at outer margin with a somewhat edged projection; along costa some small light spots; fringe along outer margin brindled creamy and umber brown; hindwings brownish-grey, apex somewhat mottled. |
Distribution:
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Following Karsholt & Nieukerken (2011) as well as GBIF (2011), the species is distributed from central Europe eastwards and is missing in western Europe, Switzerland, the Tyrrhenian archipelago, Denmark and in the central Balkans. Dubatolov (2011) records it also from the west Siberian plain and the south Siberian mountains. Except for a single record from Mitterberger (1910) of 750 m a.s.l., no data are available concerning vertical distribution (Kurz & Kurz 2011).
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Biology:
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Mitterberger (1910) has found the species in an extended beech grove. The flighttime of the imagines reaches from end of July to August (Mitterberger 1910, Hannemann 1977, Kurz & Kurz 2011). Under breeding conditions, the imagines may emerge as early as June.
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Stages in development:
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Larva (following Mitterberger 1910). The fullfed larva is 28-32 mm long. Body whitish to ivory-coloured with heart-like, chestnut-brown head; mandibles strong and dark brown; thoracal plate divided and slightly lighter than head; anal plate light brown; body occupied by several larger, dark brown nipples, which are arranged as follows: Two large nipples each at the dorsum of each segment, followed by two larger and more elongate, closer together situated nipples from the first abdominal segment on, these four nipples thus froming the edges of a trapeze; somewhat obliquely above the small brown stigma, a single nipple, under which there are two elongate inclined nipples; each nipple with a delicate, dark brown bristle; dorsal vessel shining through; thoracal legs brown, abdominal legs and anal prolegs coloured like the body. Mitterberger (1910) has found the larvae in Polyporus fomentarius (= Fomes fomentarius) on a fallen stem of beech. He assumes a multi-year developement, as he found larvae of different age in one and the same fungus. Upgrown larvae not only feed in the fungus, but also bore through the bark into the rotten wood (several centimeters deep). Pupation takes places in the gallery. Pupa. The pupa is brown and bears rows of posteriorly directed thorns on the abdominal segments. With these, it pushes itself half way out of the gallery prior to hatching (Mitterberger 1910). |
Anatomy:
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| genitalia: without data, prep. 10100 |
genitalia, schematic drawing |
genitalia, schematic drawing |
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| Picture from: Svenska fjärilar: © Gustafsson Bert Detailed view |
Picture from: © Petersen 1957, modified Detailed view |
Picture from: © Petersen 1957, modified Detailed view |
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Genitalia (Petersen 1957): Uncus bifurcate, tapered, heavily sclerotized; gnathos missing; tegumen broad, vinculum rounded; anellus consisting of two crescent structures with inner tooth; valvae simple, but distinctly lobed at outer margin; aedeagus broad and robust, medially constricted.
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Diagnosis:
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In Europe, S. boletella is unmistakeable due to its size and colouration. |
Worth knowing:
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Sources:
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Dubatolov, V. V. 2011. Collection of Siberian Zoological Museum: Tineidae. http://szmn.sbras.ru/old/Lepidop/Lepidopt.htm [online 03 Mai 2011]. Fabricius, J. C. 1794. Entomologia systematica emendata et aucta. Secundum classes, ordines, genera, species adjectis synonymis, locis, observationibus, descriptionibus, III, II. Hafniae (=Kopenhagen). Fabricius, J. C. 1798. Entomologia systematica emendata et aucta. Secundum classes, ordines, genera, species adjectis synonymis, locis, observationibus, descriptionibus. Proft et Storch, Hafniae (=Kopenhagen), 572 pp. GBIF 2011. Biodiversity occurrence data accessed through GBIF Data Portal, URL: http://www.gbif.net, [online 13 Mai 2011]. Hannemann, H.-J. 1977. Kleinschmetterlinge oder Microlepidoptera III. Federmotten (Pterophoridae) Gespinstmotten (Yponomeutidae) Echte Motten (Tineidae). - In: Dahl, F. 1925. Die Tierwelt Deutschlands. 63. Teil. VEB Gustav Fischer Verlag Jena, 275 pp., 17 Taf. Karsholt, O. & E. J. van Nieukerken 2011. Tineidae. In - Karsholt, O. & E. J. van Nieukerken (eds.). Lepidoptera, Moths. – Fauna Europaea version 2.4., http://www.faunaeur.org [online 03 Mai 2011]. Kurz, M. A. & M. E. Kurz 2000–2011. Naturkundliches Informationssystem. – URL: http://www.nkis.info [online 03 Mai 2011]. Mitterberger, K. 1910. Beitrag zur Biologie von Scardia boletella F. Zeitschrift für wissenschaftliche Insektenbiologie 6: 171-173. Petersen, G. 1957. Die Genitalien der paläarktischen Tineiden (Fortsetzung). Beiträge zur Entomologie 7: 557-595, 2 Taf. 44 Textfig. |
Publication data:
| history: Kurz Michael: 2010.09.11 Kurz Michael: 2011.04.28 Kurz Michael: 2011.05.12 Kurz Michael: 2014.05.14 Kurz Michael: 2020.02.17 |
| not reviewed |
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