AGROTIS. 



379 



whitish, the latter with blackish centre and whitish annulus ; the 

 postmedial line strongly bent outwards below costa, excurved to 

 vein 4, then verj- oblique ; traces of a subterminal line ; a terminal 



Fig. 74. — Agrotk costaiis, (^ . \. 



series of black points. Hind wing semihj-aline white ; the margioal 

 areas tinged with ochreous ; the veins and a terminal line brown ; 

 the underside with dark discoidal spot. 



Hab. Teisxan da Cunha (Capt. Carmichael), 3 c? , 1 $ type. 

 E.vj). 40 millim. 



b. Fore wing with the apex not produced and acute. 



a'-. Underside of wings clothed with silky androconia in 

 male. 

 a^. Underside of wings clothed with black androconia in 



male tibiata. 



b^. Underside of wings with the basal two-thirds clothed 



with golden olive androconia in male hiffochalcis. 



663. Agrotis tibiata. 



Agrotis tibiata, Guen. Noct. i. p. 273 (1852). 

 Orthosia subnigra, Wlk. xi. 747 (1857). 



d" . Head and thorax pale grey, sparsely irrorated with fuscous ; 

 palpi black, white at tips ; abdomen grey-black ; pectus, legs, and 

 ventral surface of abdomen deep black, with a few grey hairs, 

 the spurs and tarsi ringed with white. Fore wing pale grey 

 irrorated with black, the terminal area suffused with black ; a waved 





Fig. ^5.— Agrotis tibiata, J . \. 



black subbasal line from costa to submedian fold ; an oblique rather 

 indistinct waved antemedial line ; orbicular represented by a black 

 point ; reniform rufous, defined by black ; postmedial line rather 

 indistinct, strongly dentate, slightly bent outwards below costa, 

 excurved to vein 4, then incurved ; subterminal line indistinct, 



