Sesamia, Guenee, 1852

Kergoat, Gael J., Toussaint, Emmanuel F. A., Capdevielle-Dulac, Claire, Clamens, Anne-Laure, Ong, George, Amo, Conlong, Desmond, Berg, Johnnie Van Den, Cugala, Domingos, Pallangyo, Beatrice, Mubenga, Onesime, Chipabika, Gilson, Ndemah, Rose, Sezonlin, Michel, Bani, Gregoire, Molo, Richard, Ali, Abdalla, Calatayud, Paul-Andre, Kaiser, Laure, Silvain, Jean-Francois & Ru, Bruno Le, 2015, Integrative taxonomy reveals six new species related to the Mediterranean corn stalk borer Sesamia nonagrioides (Lefèbvre) (Lepidoptera, Noctuidae, Sesamiina), Zoological Journal of the Linnean Society 175 (2), pp. 244-270 : 255

SESAMIA KOUILOUENSIS LE RU SP. NOV.

( FIGS 4I–J; 8C; 10)

Type material examined. Holotype female, R. Congo, Lac Nanga , Kouilou department, 04°56.090′S,

11°56.713′E, 2 m a.s.l., IV 2013, ex light trap, gen. prep. LERU Bruno /G581, B. Le Ru leg., MNHN, Paris .

DESCRIPTION ( FIG. 4I–J)

Antennae filiform, flagellum adorned with buff scales. Palpus ochreous-buff; palpus ochreous-buff irrorated with fuscous. Head and thorax ochreous-buff covered with long hairs. Abdomen uniformly ochreous-buff. Legs ochreous-buff, fore femur and tibia strongly infuscated on their inner surface. Forewings ochreous-buff suffused with fuscous scales; an indistinct longitudinal ochreous fascia from the base along the lower margin of cell, partly within, partly without cell limited to the first two-thirds of the wing and an indistinct postmedial row of spots. Fringe buff with a basal fuscous line. Hindwings pale ochreous, veins with buff scales; fringe white iridescent. Underside of forewings pale ochreousbuff at the base, ochreous-buff on costa; apex and terminal area suffused with fuscous scales, veins irrorated with ochreous scales. Underside of hindwings pale ochreous, costa and apex suffused with fuscous scales; veins irrorated with ochreous scales; fringe white iridescent, infuscated at the apex, with a basal ochreousbuff line.

Wingspan 38 mm (female) (n = 1)

Female genitalia ( Fig. 8C) Corpus bursae elongate without signa; ductus bursae about the same length as corpus bursae, without chitinization near the bursae, strongly sclerotized near the ostium; lateral plates of ostial segment medium sized, sclerotized and slightly rounded, less than 1.5 times longer than wide. Ovipositor lobes 4 times longer than wide.

Etymology: epithet of Kouilou, the coastal region of Republic of Congo where it was collected.