Toana Walker

Type species: semiochrealis Walker.

The forewing venation resembles that of Ligidia except R1 and R2 arise independently from the cell (Hampson, 1910). The lectotype (OUMNH: 1343) has the right forewing and abdomen missing, and the rest is very worn. This limited information may preclude identification in future on morphological grounds.

However, male specimens from Peninsular Malaysia (Barlow colln) appear to match the fragmentary holotype closely in size, venation and general facies. The wings are a dull orange with irregular blackening of the distal margins, particularly strong at the centre. The forewing has a finely darker, sinuous postmedial and a similar, straight antemedial, both rather inconspicuous except at the costa, where they are marked in black. The hindwing has a faint discal spot. All these markings are more conspicuous on the underside, though they fade away over the much paler dorsal half of the forewing. The facies is almost identical to that of the previous species, separation only being possible from the forewing venation without dissection.

The male abdomen (slide 21553) lacks the frame-like structure over the basal tergites seen in Ligidia. The genitalia have a broad, rather square vinculum. The valves are rather short and narrow, with a slight saccular process extending almost to the valve apex. The basal part of the valve bears a slight hair-pencil arising from a zone of enlarged setal bases.

Poole (1989) listed ten further species in the genus (one Caribbean, five African, two Indian Subregion and two Australian), all except one of which has Toana as the genus of original description.