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Probithia Warren
Type species: exclusa Walker.
Synonym: Bithia Walker, praeocc. (type
species: exclusa).
This genus has the hindwing margin angled at vein M3. The male antennae
are weakly bipectinate. The postmedial of the forewing is oblique, with
irregular, diffuse grey or brown shading distad in most species. The medial
fasciae of both wings include the discal spots, rather than lying distal to
them. In the male genitalia the sacculus has a subbasal lobe dorsally. Most
species have a lobe ventrally at the centre of the dorsal arm of the valve. The
lobe bears short, coarse setae. The aedeagus terminates in two equal sclerotised
strips, and in most species the vesica has a distal short cornutus and a central
long one, both apically blunt and scobinate.
The female genitalia have the ductus elongate, fluted. The bursa is
ovoid, with a strong central signum of a typical ennomine type.
The genus may be related to Nadagarodes as mentioned in the
introduction to the tribe. A phylogenetic hypothesis was presented by Holloway
(1991). This (informally) established P. perichila Prout stat. rev. as a good species, revived P. obstataria Walker
stat. rev.
from synonymy but with P. turpis Warren (see Holloway, 1984b) sunk to it,
syn. n. The remaining species-group names in the genus are referable to the two
Bornean species below: these are probably sister- species.
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