XOVITATES ZOOLOGICAE XXIV. 1917. 467 



Melanergon vidua vidua Walk. 



Gotaria vidua Walker, List. Lepid. Ins. Brit. Mns. Part xxxxii. p. 549 (1865) (New Guinea). 



Walker's type was a ? and the only other recorded specimen is the S de- 

 scribed below. 



<J. Differs from the $ only in being paler, in the postmedian transverse band 

 being more distinct, through being more densely scaled, and confined to fore- 

 wing, in the frons being buff not black, and in the anal tuft being yellow not 

 white 6r cream. 



Habitat. New Guinea ! (? type) ; <J Nr. Oetakwa River, Snow Mountains, 

 Dutch New Guinea, November and December 1910 (A. S. Meek). 



Melanergon vidua proserpina B. Baker. 



Melanergon proserpinus Bethune Baker, Nov. Zool. vol. xi. p. 372. No. 7 (1904) (Aroa River). 



Differs from v. vidua by the more intense black colouring and by the post- 

 median semihj'aline transverse band being broader and more strongly marked. 

 Habitat. South-East New Guinea. 



Melanergon vidua fergussonis subsp. nov. 



<J. Differs from the <J of v. vidua by the whole head, tegulae, and patagia 

 being orange, and in having an antemedian as well as a postmedian transverse 

 band on forewing ; end of abdomen orange. 



Habitat. Fergusson Island, December 1896 (A. S. Meek). 



Melanergon vidua louisiadensis subsp. nov. 



$. Differs from v. vidua and v. proserjmia in having hardly any trace at 

 all of a transverse band, and in the anal tuft being dark buff. 



Habitat. Sud-Est Island, Louisiade Islands, January to February 1916 

 (Eichhorn Bros.). 



The next genus is Paracydas with 2 species. It differs from Cotana and 

 Melanergon in the forewing, in having vein 4 from lower angle of cell and 5 

 from upper angle, and 10 not being stalked. 



Paracydas biagi B. Baker. 



Paracydas hiagi Bethune Baker, Novit. Zoo!, vol. xv. p. 176. No. 5 (1908) (Biagi, Mambare River). 



The ? of this is undescribed. 



?. Antennae black ; head, thorax, and abdomen intense rufous, anal seg- 

 ment ringed with black, anal tuft pale grey. 



Forewing deep chocolate-brown ; basal three-fourths of costa, base of 

 wing, and subcostal area bright rufous ; nervures rufous ; a large antemedian 

 primrose-yellow patch of raised scales on and between veins 2-5 ; a large post- 

 median curved patch white running out distad between the nervures into wedge- 

 shaped projections ; margin rufous yellow, fringe deep brown ; three ^^■hite 

 spots above veins 1, 2, and 3. Hindwing deep chocolate; base of wing and 

 abdominal area rufous clothed with long hair ; nervures rufous ; a row of sis 



