Hadroplontus litura (Fabricius, 1775), new to Quebec

Species identification confirmed by RSA, 2016.

Note.

This Palaearctic species has been introduced in various parts of North America as a biological control agent against Canada thistle, Cirsium arvense (L.) Scop. ( Asteraceae) (McClay et al. 2002), an invasive plant also of Palaearctic origin. It was previously known in Canada from British Columbia, Alberta, Saskatchewan, Ontario, and Nova Scotia (Bousquet et al. 2013). All specimens reported herein were beaten from Canada thistle.

Specimen data.

Montreal, Parc Zotique-Racicot (45.5427, 73.6903), beaten from Cirsium arvense, P. de Tonnancour and/or S. Dumont, 8VII2015 (13:00) (17, CPTO; 4, CSDU); 9VII2015 (3, CMNC; 3, CNCI; 2, CSDU); 10VII2015 (4, CCCH); 12VII2015 (16:00) (5, CPTO); 14VII2015 (15:00) (6, CPTO); 26VII2015 (2, CMNC; 2, CNCI; 2, CSDU); 25VIII2015 (1, CSDU); 01IX2015 (13:00) (1, CRVI); same except: (45.5426, 73.69O2), 28VI2016 (13:00) (7, CPTO; 2, CSDU); 30VI2016 (4, CCCH; 4 CPTO; 2, CSDU); same except: 4VII2016 (6, CSDU); MRC Vaudreuil-Soulanges, Ville de l’Île-Perrot, 11VII2016 (15:00), beaten from Cirsium arvense, P. de Tonnancour (1, CPTO); MRC Laval, Laval (45.5819, -73.8206), 20VII2016 (14:00), beaten from flowering Cirsium arvense, P. de Tonnancour (15, CPTO); Montreal, Parc Zotique-Racicot (45.5427, -73.6903), 26VII2016, beaten from Cirsium arvense, S. Dumont (2, CSDU); same except: 28VII2016 (4, CSDU); MRC Laval, Laval (45.5819, 73.8206), 17IX2016, beaten from flowering Cirsium arvense, P. de Tonnancour (5, CPTO).