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Tamba
delicata Prout
Tamba
delicata Prout, 1932, Bull. Hill Mus. Witley,
4: 273.
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Tamba
delicata 
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Diagnosis.
The green patches on a variegated and fasciated grey ground distinguish this
species from other congeners in Borneo.
Taxonomic
note. A. Zilli (pers. comm.) noted that the two specimens in Mus.
Civico di Zoologia, Rome, had differences in the male genitalia. One from Borneo
resembles the holotype in facies and genitalia whereas the other from Cameron
Highlands, Peninsular Malaysia (slide AZ 751) has darker green patches that are
less extensive with less reticulation by the pale ground colour. The valve apex
is shorter and its dorsal margin continuous with that of the dorsal process
rather than separated by a deep cleft (Fig 722). However, one of the other
Bornean specimens had similar facies but typical genitalia. It is more probable,
therefore, that the Cameron Highlands specimen has aberrant genitalia features.
Other related taxa with green markings include T.
multiplaga Swinhoe
(N.E. Himalaya), T. splendida Prout (S. Moluccas, New Guinea) and an
undescribed species from the Bismarck Is. (slide 6193).
Geographical
range. Borneo, Sumatra, Peninsular Malaysia, Java.
Habitat
preference. Two Bornean specimens seen are from hill dipterocarp forest: at
300m in the Ulu Temburong of Brunei; at 500m on the slopes of G. Mulu. The
holotype is from Paku, a lowland locality, and there is a male from 1500m at
Kundasang, south of G. Kinabalu, in Mus. Civico di Zoologia, Rome.
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