. Bulletin of the British Museum (Natural History) Entom Supp. 5« Genus MICROPENTILA Aurivillius Micropentila Aurivillius, 1895, Ent. Tidsk. 16 : 202 ; 1898 : 281 ; 1920 : 339. Type-species : Liptena adelgitha Hewitson, 1874, by original designation. Eyes glabrous ; palpi of medium length, shorter than in Liptena, the second segment clothed below with stiff hair or hair-scles ; third segment subconical ; antennae of medium length reaching beyond the tip of the discal cell, the club oval, short, sharplv defined ; legs black, ringed with white, the <J fore tarsi short, unsegmented
. Bulletin of the British Museum (Natural History) Entom Supp. 5« Genus MICROPENTILA Aurivillius Micropentila Aurivillius, 1895, Ent. Tidsk. 16 : 202 ; 1898 : 281 ; 1920 : 339. Type-species : Liptena adelgitha Hewitson, 1874, by original designation. Eyes glabrous ; palpi of medium length, shorter than in Liptena, the second segment clothed below with stiff hair or hair-scles ; third segment subconical ; antennae of medium length reaching beyond the tip of the discal cell, the club oval, short, sharplv defined ; legs black, ringed with white, the <J fore tarsi short, unsegmented, finely spinose beneath. Wing shape. Fore wing costa rather strongly curved, the outer margin convex ; hind wing oval with a rather well marked anal angle. Venation (Text-fig. 247). Fore wing with 12 veins ; the stem of 7 + 8 + 9 arises from the upper angle of the cell or very shortly before it ; hind wing, 3 and 4 free from lower angle of cell, or very shortly stalked, 7 a little before the upper angle of cell. Male genitalia (Text-fig. 55). Uncus divided into two subtriangular processes with rounded extremities separated by a deep indentation ; subunci long slender and curved ; tegumen large ; vinculum with a slender saccus ; valves oblong and tapering evenly to a blunt apex ; penis basally bulbous and sheathed by a small inferior fultura, then cylindrical, dilated and notched at the tip ; uncus clothed in long hair, only the ends of the valves slightly pilose. In collaboration with N. H. Bennett of the British Museum () I have recently published a revision of the genus Micropentila (1965 : 397-434, 31 figs, 4 plates), in which the genitalia of almost all the known species are figured, and to which reference should be made. Not all the species have genitalia like those of M. adelgitha. As a rule the uncus is not so deeply divided, the saccus is sometimes broadly spatulate, and the penis in particular shows many variations. According to the characters of the penis we hav
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