Harrisimemna trisignata (Walker) in Louisiana by Vernon Antoine Brou Jr., 74320 Jack Loyd Road, Abita Springs, Louisiana 70420 email [email protected]
The pretty noctuid moth Harrisimemna trisignata (Walker) (Fig. 1) is listed by Heppner (2003) to occur in eastern North America from Nova Scotia to Florida and Saskatchewan to Texas, February to October. Rockburne & Lafontaine (1976) reported trisignata to be widespread but uncommon over Ontario and Quebec. Reported May to September by Covell (1984). Heitzman & Heitzman (1987) report trisignata to be
a b c d
Fig. 1. Adult Harrisimemna trisignata; a. male, b. female, c. male aberrant, d. male aberrant. 22 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
11 number of adults
0 Fig. 2. Dates of capture of Harrisimemna trisignata captured at sec 24T6SR12E, 4.2 miles NE of Abita Springs, St. Tammany Parish, Louisiana. n = 1041 uncommon in Missouri. Reported foodplants include: apple, lilac, willow, ash, persimmon, sweetgum, blueberry, arrowood and holly. In Louisiana, trisignata has four annual broods (Fig. 2). Typical pheno- types are illustrated in Fig. 1a, 1b, with lighter and darker aberrants in Fig. 1c, 1d. Louisiana locality records are illustrated in Fig. 3. Literature cited Covell, Jr., C.V. 1984. A field guide to moths eastern North America. The Peterson Field Guide Series No. 30. Houghton Mifflin Co., Boston. xv + 469pp., 64 plates. Heitzman, J. R. & J. E. Heitzman 1987. Butterflies and Moths of Missouri. Missouri Dept. of Conservation, 385 pp. Heppner, J.B. 2003. Arthropods of Florida and neighboring land areas, vol. 17: Lepidoptera of Florida, Div. Plant Industry, Fla. Dept. Agr. & Consum. Serv., Gainesville. x + 670 pp., 55 plates. Rockburne, E.W. & J. D. Lafontaine 1976. The Cutworm Moths of Ontario and Fig. 3. Parish records by this author. Quebec. Canada Dept. Agr. Pub. 1593.