414 Some New Forms of Indo- Australian Noctuidae 



M 1 of fore wing arises nearer to M 2 than to E 3 , M 2 being slightly 

 down-curved ; in fortissima the three veins are equidistant at origin 

 (as shown in Cat. Lep. Phal. vii, p. 112), M 2 being scarcely down- 

 curved. Termen of hind wing with a slight prominence from E 3 to 

 M 2 (more flattened than in fortissima, especially in the $ ). 



Coloration of thorax and fore wing apparently about as in fortissima 

 (allowing for the fresher condition of equifortis specimens) ; the 

 markings also similar, but the dark shading a trifle heavier, the terminal 

 streaks more irregular, forming a point proximally on E 2 and almost 

 absent between M 1 and M 2 ; in the type of fortissima the streaks are 

 of nearly even length and breadth, except the one behind M 1 , which 

 is small and pointed, and the one in fold, which is broad, rounded and 

 almost divided in the middle. 



Hind wing a little deeper in tone than in fortissima. 



Both wings beneath almost as in fortissima, but the postmedial line 

 of hind wing rather more crenulate, less evenly waved. 



S.W. Sumatra : Slopes of Mount Korintji, 7,300 feet, August- 

 September, 1921, thirty-five $ $ , five ? ? . 



Possibly a race of fortissima Moore, from the ? of which it differs 

 very little ; but in addition to the structural points named above, the 

 male type has the fore wing perceptibly narrower and more elongate 

 than in the <? of equifortis. 



3. Checupa curvivena sp. nov. (pi. XXII, fig. 4). 

 $ ? , 54—60 mm. 



$ vestiture somewhat as in fortissima and equifortis, but the hair 

 on hind wing even longer and more up-standing at costa, then slight 

 to the well-developed brush of hair along cell just before M. Fore 

 wing in both sexes a little broader than in equifortis, the 3 with M 1 

 distorted (proximally downcurved, then distally upcurved), M 2 arising 

 from a little nearer base than in either of the other two species and 

 sometimes very slightly downcurved ; hind wing shaped much as in 

 equifortis. 



Thorax and fore wing coloured much as in fortissima and equifortis, 

 from both of which it is, however, easily differentiable by the broader 

 and smoother brown shading, which forms a broad, oblique antemedial 

 band (only interrupted by slight traces of a fine green line), a triangular 

 costal mark between orbicular and reniform, a broad half -band beyond 

 reniform (sometimes prolonged so as almost to join the terminal tornal 



