Fauna of Psychidae (Lepidoptera) of the Ulyanovsk Oblast (Middle Volga, Russia) Author Volkova, Julia S. Ulyanovsk State University, Universitetskaya Naberezhnaya Ulitsa, 1, RUS- 432063, Ulyanovsk, Russia. & Sengileevskie gory National park, Karl Marx str., 29, RUS- 432001, Ulyanovsk, Russia. Author Prozorov, Alexey M. 0000-0002-5668-0741 University of Sciences, Techniques and Technology of Bamako, BP 1805, Bamako, Mali. E-mail: alexeymprozorov @ gmail. com, https: // orcid. org / 0000 - 0002 - 5668 - 0741 Author Kryuchkov, Sergey N. Undory Paleontological Museum, Shkolnaya Ulitsa, 5 a, RUS- 433340, Undory, Russia. E-mail: sergey-kryuchkov 00 @ mail. ru, https: // orcid. org / 0000 - 0002 - 2406 - 352 X Author Pavlov, Pavel O. 0000-0001-9740-3532 Sengileevskie gory National park, Karl Marx str., 29, RUS- 432001, Ulyanovsk, Russia. E-mail: pavelmml @ mail. ru, https: // orcid. org / 0000 - 0001 - 9740 - 3532 Author Yakovlev, Roman V. 0000-0001-9512-8709 Altai State University, pr. Lenina 61, RUS- 656049, Barnaul, Russia. E-mail: yakovlev _ asu @ mail. ru, https: // orcid. org / 0000 - 0001 - 9512 - 8709 & Tomsk State University, Laboratory of Biodiversity and Ecology, Lenina pr. 36, RUS- 634050 Tomsk, Russia. Author Anikin, Vasilii V. 0000-0001-8575-5418 Saratov State University, Astrakhanskaya Street, 83, RUS- 410012, Saratov, Russia. E-mail: anikinvasiliiv @ mail. ru, https: // orcid. org / 0000 - 0001 - 8575 - 5418 * Corresponding author. E-mail: beeme 7 @ mail. ru, https: // orcid. org / 0000 - 0002 - 4014 - 3140 text Ecologica Montenegrina 2022 2022-11-16 58 109 121 http://dx.doi.org/10.37828/em.2022.58.10 journal article 10.37828/em.2022.58.10 2336-9744 13241156 4. Dahlica triquetrella (Hübner, 1813) ( Figs 10–11 , 33 ) Material : ♂ , Surskoe District , environs of the village Lava , bilberry- ledum marsh, 54.479973N , 46.901823E , 11. V .2019 , leg. Ju.S.Volkova , V . V . Zolotuhin ( Fig. 48 , site 2) ; ♂ , Surskoe District , environs of the village Lava , bilberry-ledum marsh, 54.479973N , 46.901823E , 11. VI .2019 , leg. Ju.S.Volkova, P.O.Pavlov, S.N.Kryuchkov, A.N.Matveev ( Fig. 48 , site 2) ; ♂ , Staraya Maina District , village Kryukovka , 54.038038N , 48.001738E , 30.IV.2001 , leg. D.Yu.Klevolgin ( Fig. 48 , site 9) ; ♂ , Novospasskoe District , environs of the village Surulovka , steppe, 53.089087N , 47.742807E , 23. V .1996 , leg. V . V . Zolotuhin ( Fig. 48 , site 13) ; ♂ , Radishchevo District , village Solovchikha , 52.947403N , 47.788783E , 10–11. V .1993 , leg. V . V . Zolotuhin ( Fig. 48 , site 14) . Biology . Inhabits xerotherm and beech forests. Caterpillars are found on trunks of coniferous trees and less often on deciduous trees, as well as on rocks, dead wood, grapes, and meadow vegetation. Adults occur from March to April or from June to July, males are found rarer than females. Distribution in Russia . Recorded from the European Northwestern and Central Regions, and under the question mark (?) from the Kaliningrad Oblast and Western Caucasian region ( Sinev & Lovtsova, 2019 ). In the Volga Region, it is known from the Ulyanovsk Oblast ( Anikin et al. 2017 ) and the Republic of Chuvashia ( Lastukhin 2010 ).