398 Mr. A. G. Butler on new Genera 
pterygodes, and a spot on metathorax sulphur-yellow ; abdo- 
men orange, banded with black; antenne black ; primaries 
below with the internal area greyish with bronzy reflections ; 
secondaries with the subcostal area of the ground-colour cream- 
coloured ; otherwise as above: body below orange, varied 
with black. 
Expanse of wings 2 inches 3 lines. 
Hab. Hakodadi (Whitely). Type, B.M. 
This is probably an imitation of Husemia ; its resemblance to 
E. villicoides can scarcely be accidental (in structure it more 
nearly agrees with Alypia). The Hypercompa longipennis of 
Walker is clearly an imitation of Husemia trenea. 
Family Arctiidae (Zygeenoid type). 
Genus ACRIDURA, n. gen. 
In general appearance most like the Zygenid genus Echo- 
neura. Wings narrow, hyaline, with vems black, margins 
opaque; primaries with four subcostal branches, the first 
emitted just before the endof the cell,the second and fourth from 
the end running close together at their origins, the third 
emitted from the second near its origin and running parallel to 
and above it; discocellulars transverse, the upper one reduced 
to a mere point; lower radial and second and third median 
branches emitted together at lower extremity of cell; secon- 
daries with the cell short, its upper extremity projecting ; 
subcostal with two branches, emitted from a footstalk beyond 
the end of cell, discocellulars forming a deep sinus, the upper 
considerably shorter than the lower; lower radial and median 
branches emitted together from the lower extremity of the 
cell ; thorax broad ; head small; palpi short ; antennee more or 
less filiform ; abdomen slender, of the male with long com- 
pressed clasps. Type A. gryllina, n. sp. 
6. Acridura gryllina, n. sp. 
3. Wings hyaline white, with rosy reflections; veins, 
borders, and apex dark brown; base of costa steel-blue; an 
orange dot at the base ; body orange, with the anal segments 
of abdomen and clasps steel-blue ; head black ; body below 
black, with purplish, steel-blue, and greenish reflections ; base 
of abdomen with a white spot; tips of tarsi white. 
Exxpanse of wings 1 inch 4 lines. 
Hab. Espiritu Santo (Higgins). ‘Type, B.M. 
This remarkable species is, I believe, an aberrant Arctiid. 
i ) ) 
