Idaea craspedota Prout

Hyria marginata Swinhoe, 1894, Trans. ent. Soc. Lond., 1894: 182, praeocc.

Sterrha craspedota Prout, 1934: 427.

Diagnosis

See Idaea phaeocrossa Prout and Idaea vacillata Walker . The dark markings are redder. The general colour of the wings is clearer, less blotched.

Taxonomic Notes

The male second sternite lacks a pouch, but there are two pairs of coremata in the abdomen opening laterally between segments 4 and 5, and 5 and 6. The valves are narrow, tapering, but the vinculum is broad with a small saccus. The female has a globular, spined bursa and a basal appendix bursae. The ductus is fluted as in the base of the appendix bursa that leads into a long, spiralled ductus seminalis. I . celativestis Warren (known only from the holotype male, Peninsular Malaysia) has very similar facies but there is a fringe of scales in the medial zone of the hindwing underside, and the hind-tibial hair pencil is more purplish. In the male abdomen there is a pair of large coremata in the intersegmental membrane just basal to the genitalia: the aedeagus has many moderate spines in the vesica (single sclerotised patch in craspedota).