Other Common Names
Tobacco Leaf Worm (larva)
Synonyms and other taxonomic changes
Cnephasia stephensiana (Doubleday, 1849)
Sciaphila stephensiana Doubleday, 1849
Explanation of Names
Named in honor of entomologist James Francis Stephens
Wingspan 18-23 mm.
Larva body length 15-18 mm.
Adult - forewing costal margin slightly arced, apex rounded; ground color grayish-white diffusely speckled with gray; markings brownish-gray irregularly edged and speckled with black; AM line a broad band, not extending to inner margin; median band complete, with proximal edge irregularly toothed, strongly edged with black, and distal edge diffuse, deeply excavated above and below middle; costal and terminal markings diffuse and obscure; hindwing brownish-gray.
Larva - head variable, light brown marked with dark brown, or entirely brownish-black or black; prothoracic plate black, edged anteriorly with gray, a whitish narrow medial sulcus; abdomen shining gray or bluish-gray, variable and sometimes darker or lighter, or with a slight greenish tinge; anal plate blackish-brown; anal comb absent; thoracic legs black.
Native to Eurasia; first recorded in North America in Canada by Mutuura in 1982.
Larvae feed on a wide variety of plants: more than 120 species have been recorded in Eurasia.
Mutuura, A. 1982. Cnephasia stephensiana, a species newly recorded from Canada and compared with the previously recorded C. interjectana (Lepidoptera: Tortricidae)