Ectropis petras Meyrick, 1897, Trans ent. Soc. Lond., 27:
Diagnosis. The wings are generally paler than in the preceding species. marked more
lightly with brown in a typical manner for the genus. The postmedial markings
are distinctly sagittate, interrupted centrally on both wings by a pale streak.
The uncus of the male genitalia is slender, square-ended. The valves are
apically narrow, acute. The saccular process is long, angled, rather than
sinuous. The tongue-like process from the tegumen is long.
Taxonomic note. This species is represented by only the holotype, and has very similar
male genitalia to the previous species and the next three. The saccular process
is as in D. indentata Warren, a much browner insect, but the tongue-like
suprauncal structure is long as in Diplurodes sp. 16366 (see below),
longer than in D. submontana.
Geographical range. Borneo (Pulo Laut), ?Sumatra (Sato slide RS-2687). A
series from Peninsular Malaysia in the FRIM collection may be of petras.
Habitat preference. The type locality is lowland.
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