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Idaea
craspedota Prout
Hyria marginata Swinhoe, 1894, Trans. ent. Soc. Lond., 1894:
182, praeocc.
Sterrha craspedota Prout,
1934: 427.
Idaea
craspedota 
(x 1.16) |
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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).
Geographical range. N.E. Himalaya, Sundaland.
Habitat preference. The species is infrequent in lowland forest.
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