Explanation of Names
NIGRIOR: from the Latin "niger" (black); probably refers to the black streak on the forewing, and possibly the black wing veins also
Numbers
rare throughout much of range
Identification
Adult: forewing brown with black streak running parallel to inner margin from base to PM line, and a second shorter streak along inner margin near base; prominent black veins in outer half of wing; lighter strip along costa near base; ST line with sharp W shape near middle, and dark gray shading beyond ST line
hindwing gray with faint discal lunule, dark veins, and checkered yellowish and gray fringe
Range
New Brunswick to Georgia, west to Indiana, north to Wisconsin and Ontario
Season
adults fly from May to July
See Also
Apamea niveivenosa has white veins on forewing;
Apamea verbascoides lacks prominent black veins on forewing, has brownish-yellow coloring along costa, and a light gray strip along inner margin (
compare images of all three species)
Internet References
pinned adult image by John Glaser, plus status and flight season (Larry Line, Maryland)
pinned adult image (James Adams, Dalton State College, Georgia)
status in Indiana [S2S3]; PDF doc and common name reference [Black-dashed Apamea] (Govt. of Indiana)
live adult image by Janice Stiefel [same image as at BugGuide but reversed], plus common name reference [Dark Apamea] (Moth Photographers Group)
flight season in Quebec; PDF doc plus life cycle and status (Macrolepidoptera of Mont Saint-Hilaire Region, McGill U., Quebec)
presence in Georgia and Wisconsin; list (Lepidopterists Society Season Summary, U. of Florida)
distribution in Canada list of provinces (U. of Alberta, using CBIF data)
