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Syngonorthus
Butler
Type species: subpunctatus Butler.
The genus contains a single species, one of the larger members of the
tribe. The male antennae are filiform, ciliate. The colour is reddish fawn,
fasciated and speckled with dull rufous brown. The wings have darker fringes and
discal spots, with straight antemedial and postmedial fasciae crossing the
forewing, and a similar postmedial on the hindwing. The postmedials are
reproduced on the paler underside by rows of blackish spots on the veins. The
hindwing has the margin angled at M3.
The male genitalia have the coremata large, double. The slender, sinuous
dorsal processes of the valves are well separated from the main part of the
valve. Each of the latter is closely associated with a furca-like structure that
extends to the valve apex, and forms a complex pocket-like structure with its
pair adjacent to the vinculum. The aedeagus vesica is convolute but without
ornament. The eighth sternite is constricted towards the anterior, bearing
lateral apodemes that support weak coremata on each side.
The female genitalia have the bursa with an elongate basal tubular
section with a ring of sclerotisation at its junction with the short ductus. The
basal section is almost twice as long as the pyriform distal part; the latter
contains a signum consisting of an irregular ellipse of sclerotisation with an
angled, bifid flange arising from it. The bursa is finely corrugate throughout.
Relationships with the next three genera are discussed in the
introductory comments for the tribe and under Auzeodes Warren.
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