71 Mr. A. G. Butler on the Noctuid Moths 



subsequent authors contains no less than nine genera, distin- 

 guished as follows : 



1. Primaries with rounded outer margin. 



a. Antennae in both sexes simple, tapering; legs 



strongly tufted Metliorasa. 



b. Antennae of male strongly ciliated, with a well- 

 defined almost central twist or kink; legs almost 



naked , Gnamptocera. 



2. Primaries with angulated outer margin. 



a. Antennas slightly pubescent in the males, rarely 

 with a few extremely delicate cilia towards the base ; 

 very slender in the females. 



aa. Palpi small and weak, a single dorsal tuft on the 

 second abdominal segment ; first and second pairs of 

 legs thickly clothed with long hair scales ; tibiae of hind 

 pair clothed with fine hair Haploolophus. 



ah. Palpi large, with well-exposed terminal article ; 

 dorsal tufts, as usual, on first and second abdominal 

 segments ; legs, but especially the tibiae of second pair, 

 more densely hairy and tufted than in the preceding 

 genus; a flattened fringe of dusky hair on femora of 

 hind pair Dissolophus. 



ac. Palpi rather large, with exposed terminal article ; 

 dorsal tufts probably normal (imperfect in our speci- 

 mens) ; all the legs, including the basal joint of the 

 tarsus, densely hairy, the hind pair almost concealed 

 by the long hairy clothing Hyperdasys. 



b. Antennae slender, ciliated, and with the basal 

 third to half abruptly thickened in the males ; legs 

 moderately hairy, the spur of the middle tibiae fringed 



with long hair Hemipachycera. 



c. Antennae of males slender, the basal two fifths 

 usually naked, rarely pilose, always thickened, and 

 terminating in a sloping fringed swollen bend, beyond 

 which there is a well-defined ciliation ; legs thickly 



clothed with long hair Callopistria. 



d. Antennae of males much thicker, ciliated, the basal 

 third to two fifths twice the thickness of the remainder, 

 terminating in an enlarged acutely angular process, 

 beyond which the ciliation is more pronounced ; hairy 

 clothing of legs very similar to that of Hemipachycera. Cotanda. 



e. Antennae of males with the basal two fifths thick- 

 ened and strongly ciliated, especially at the thickest 

 or distal portion, which is also serrated and emits a 

 group of three long entangled clubbed hairs ; femora 

 of front and hind legs and all the tibiae fringed with 



long dense hair Rhoptrotrichia. 



