A Revision of Lasionycta Aurivillius (Lepidoptera: Noctuidae) for North America and notes on Eurasian species, with descriptions of 17 new species, 6 new subspecies, a new genus, and two new species of Tricholita Grote Author Crabo, Lars Washington State University, Bellingham, United States of America Author Lafontaine, Donald Agriculture and Agri-Food Canada, Ottawa, Canada text ZooKeys 2009 2009-12-18 30 30 1 156 journal article 10.3897/zookeys.30.308 ca35c50f-b0c5-4032-b06d-f71b00710c8d 1313–2970 576576 C26E1A82-0DD4-48EF-865C-9D8AA788B739 Lasionycta conjugata (Smith) Figs 10, 141, 199. Map 3 Scotogramma conjugata Smith, 1899: 41 . Lasionycta conjugata ; McDunnough 1938: 71 . Type material. Lectotype ♁ [ USNM , examined]. Type locality: Garfi eld County , Colorado , [ USA ]. Th e lectotype was designated by Todd (1982: 54) . Diagnosis . Lasionycta conjugata has a pale-gray forewing with jet-black lines, spots, and bars between the claviform spot and postmedial line and orbicular and reniform spots. It occurs to the south of the range of L . fergusoni . Th is species is similar but its forewing is darker blue gray and lacks the black bars. Th e antennal segments of L . conjugata are triangular whereas those of L . fergusoni are T-shaped with narrow distal segments. The flange of the digitus is less prominent in L . conjugata than in L . fergusoni . Th e female genitalia are similar. Th e CO1 sequences of L . conjugata and L . fergusoni differ by at least 1.7 %. Distribution and biology. Lasionycta conjugata occurs in the Rocky Mountains from central Utah and Colorado north to the Beartooth Plateau on the Montana-Wyoming border. It flies in subalpine forests and is nocturnal. Adults have been collected from early July to late August.