Chrysolina (Stichoptera) rossia (Illiger, 1802)

Chrysolina (Stichoptera) rossia (Illiger, 1802)

Note.

A species primarily distributed in the Balkan Peninsula and Italy but reaching also France and Central Europe. Kippenberg (2010) lists it for Austria, Bosnia-Herzegovina, Bulgaria, Croatia, Czech Republic, France, Greece, Hungary, Italy, Romania, Slovakia, Slovenia, Switzerland and Serbia. In Switzerland, it is restricted to Ticino.

Material.

1 ex. TI, Lugano [without date nor collector] (MHNG) . 1 ex. Lugano [without date], leg. and coll. Andrewes (BMNH) . 1 ex.: Castello [Castel San Pietro], [without date], COFO6475, GBIFCH00227782, coll. Fontana (MCSN) . 4 ex.: Castello [Castel San Pietro], [without date], COFO6478, GBIFCH00227788, coll. Fontana (MCSN) . 2 ex.: Castello [Castel San Pietro], [without date], COFO6479, GBIFCH00227789, coll. Fontana (MCSN) . 1 ex.: Castello [Castel San Pietro], [without date], COFO6479, GBIFCH00227790, coll. Fontana (MCSN) . 1 ex. Lugano , Windrath (MHNG) . 1 ex. VS, Martigny [without date nor collector, misplaced or mislabelled specimen] (MHNG) . 1 ex. Capolago-Meride , 7.IX.[19]19, Fruhstorfer (MHNG) . 2 ex. [TI] Monte Bre , 30.9.[19]22, coll. E. Handschin (NMB) . 1 ex. [TI] Rancate , 3.10.[19]22, coll. E. Handschin (NMB) . 1 ex.: Castello [Castel San Pietro], 10.1923, COFO6479, GBIFCH00227791, coll. Fontana (MCSN) . 1 ex.: Castello [Castel San Pietro], 6.2 [5?].1926, COFO6475, GBIFCH00227783, coll. Fontana (MCSN) . 1 ex.: Chiasso , 3.6.1928, COFO6473, GBIFCH00227775, coll. Fontana (MCSN) . 1 ex.: Chiasso , 10.10.1931, COFO6473, GBIFCH00227776, coll. Fontana (MCSN) . 1 ex.: Castello [Castel San Pietro], 3.7.1932, COFO6475, GBIFCH00227784, coll. Fontana (MCSN) . 1 ex.: Castello [Castel San Pietro], 11.5.1932, COFO6475, GBIFCH00227785, coll. Fontana (MCSN) . 2 ex.: Frasco , 6.10.1932, COFO6477, GBIFCH00227787, coll. Fontana (MCSN) . 1 ex.: Castello [Castel San Pietro], 20.6.1937, COFO6474, GBIFCH00227781, coll. Fontana (MCSN) . 1 ex.: Chiasso , 21.6.1939, COFO6473, GBIFCH00227777, coll. Fontana (MCSN) . 1 ex.: Castello [Castel San Pietro], 4.3.1939, COFO6474, GBIFCH00227778, coll. Fontana (MCSN) . 1 ex.: Castello [Castel San Pietro], 9.6.1939, COFO6474, GBIFCH00227779, coll. Fontana (MCSN) . 1 ex.: Castello [Castel San Pietro], 16.6.1939, COFO6474, GBIFCH00227780, coll. Fontana (MCSN) . 1 ex. Kt. Tess. Salorino 4.[19]40, leg. and coll. J. Lautner (NMB) . 6 ex. Kt. Tess. Salorino 8.[19]40, leg. and coll. J. Lautner (NMB) . 3 ex.: Chiasso , 29.5.1944, COFO6476, GBIFCH00227786, coll. Fontana (MCSN) . 1 ex. [TI] Muzano [Muzzano] 8.10.[19]50, leg. and coll. E. Handschin (NMBA) . 2 ex. 1 ex. Comer See [Lago di Como, TI?] coll. Killias, in coll. J.B. Jörger (NMB) . 1 ex. TI, Bogno , 5.8.1963, leg. and coll. P. Scherler (NMBE) . 1 ex. TI, Rovio , 26.8.1971, leg. and coll. P. Scherler (NMBE) . 1 ex. TI, Rancate , 30.7.1975, leg. and coll. P. Scherler (NMBE) . 2 ex. TI, Melano , 29.8.1989, leg. and coll. P. Scherler (NMBE) . 1 ex.: Helv , TI, Mendrisio , Besazio, Vigna, 718130/ 80940, 392 m, 07.X.2002, leg. C. Monnerat, det. M. Borer (cCM) . 1 ex.: Helv , TI, Chiasso, Pedrinate, 721750/76500, 07.VIII.2003, leg. C. Monnerat, det. M. Borer (cCM) . 1 ex.: Helv , TI, Mendrisio, Meride, village, 717625/83270, 05.V.2005, leg. C. Monnerat, det. M. Borer (cCM) . 1 ex.: Helv , TI, Stabio, Gerette, 715500/77500, 13.X.2007, leg. C. Monnerat, det. M. Borer (cCM) . 1 ex. TI, Meride , 550 m, 718030/ 083360, 4.6.2013, leg. Y. Chittaro, det. M. Borer (cYC) . 1 ex.: Helv , TI, Chiasso , Pedrinate, San Stefano, 721818/ 76517, 450 m, 05.V.2014, leg. C. Monnerat, det. M. Borer (cCM) . 2 ex.: Helv. , TI, Rancate, 718274/ 81169, 396 m, 31.V.2016, leg. Y. Chittaro, det. M. Borer 2019 (cYC) .

As this species is recognisable even on photographs, recent " citizen science " data are usually trustworthy. iNaturalist (https://www.inaturalist.org/, accessed 1th February 2023) provide supplementary observations (without voucher specimen) from Chiasso ( 30th April 2015, 27th April 2020), Brissago ( 19th October 2016), Giumaglio ( 24th December 2020) and Aquila ( 30th May 2022).