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Eupithecia delozona Prout 
Eupithecia delozona Prout, 1926, Sarawak Mus. J., 3:184.

Eupithecia delozona (x 1.47)

Diagnosis. The broad purplish medial zone of the forewing with pale yellow distally and pale brown basally is diagnostic. The hindwings are also pale brown, grading pale golden yellow distally.

Taxonomic notes. This is an unusually colourful species for the genus and appears to be closely related to the N.E. Himalayan E. biviridata Warren, though with a somewhat straighter forewing antemedial and a stronger yellow margin to the hindwing. The male genitalia of biviridata (Fig 394; the abdomen of delozona is missing) are consistent with placement in Eupithecia, but the octavals are well separated. The apodemes of the second tergite are short.

Figures 313 and 316 show the genitalia of E. delozona Prout and Celaenaclystis telygeta Prout, both from specimens taken at Kundusan on the south of G. Kinabalu. Those of E. delozona confirm close relationships to the Himalayan E. biviridata Warren,  with only minor differences evident in the curvature of the valve margin, the apex being more rounded in delozona. Those of telygeta are much less strongly modified than in the type species, C. celaenacris Prout, but have a comparable, broad, square saccus. There are homologies also in the structure of the uncus/tegumen complex that support the congeneric status of the two species.

Geographical range. Borneo.

Habitat preference. The species was known only from the holotype, from about 2000m on G. Murud in Sarawak. A second specimen from 1200m at Kundasang on the slopes of G. Kinabalu has been seen in colln Herbulot.

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