Cocytius, Amphonyx, Morcocytius, Pseudococytius
The Cocytius genus has recently been divided into several new genera. The moths listed below
were previously all considered Cocytius species.
Cocytius macasensis is now considered a junior synonym of Amphonyx lucifer.
Amphonyx lucifer, Tiskita Lodge, Puntarenas, Costa Rica,
July 11, 2008, 65m, courtesy of Gernot Kunz
Cocytius antaeus *
Fw upperside semitransparent posterior to vein CuA1; black dash here consequently more or
less obliterated; dash posterior to vein M3 heavier,
buffish white subbasal line separated into costal, more distal disco-cellular, and posterior part, differing from
Amphonyx duponchel in that posterior part is more distal, at right-angles to cubital vein and more distal than costal part;
the reverse is true in Amphonyx duponchel; postdiscal line more curved than in Amphonyx duponchel.
Both wings undersides often with conspicuous ochre-yellow wash.
Hindwing upperside with transparent spaces long, that posterior to vein M1 obviously longer than the brown wing border is broad;
these spaces incised distally as the border is dentate between veins; a semitransparent patch that posterior to vein CuA2 anteriorly.
Amphonyx duponchel *
Two thin dark streaks from upper thorax to mid thorax where they expand into teardrops.
Forewing upperside with black discal dashes between veins M3 and CuA2 not prominent; discal spot transverse, kidney-shaped, dirty white.
Hindwing upperside with translucent patch posterior to vein M1 shorter than the black marginal band is broad at vein M1
Amphonyx lucifer *
Thorax: black markings prominent against greyish green.
Abdomen: mesial line usually prominent, sometimes faint or widely interrupted.
Ground colour varies from walnut shell, yellowish-brown to greenish-grey.
Two narrow, distinct dark streaks posterior to veins M3 and CuA1.
Morcocytius mortuorum ??
Dull orange band across upper abdomen at junction with thorax.
Three small yellow-orange dots between each abdominal segment,
Note strong presence of white scales in antemedial line.
Forewings lack streaks or bars; UNCONFIRMED
Pseudococytius beelzebuth *
More orangey-brown shading on forewing than in other species in this group.
Strong presence of black diagonal line from costa to cell. Line, interrupted by cell,
continues as thicker, shorter black bar, parallel to inner margin. Black, much thinner streak
often interrupted above bar.
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