Chelonia galactina Hoeven,
1840, Tijdschr. natuurk. Gesch., 7: 280.
Numenes trigonalis Vollenhoven,
1863, Tijdschr. Ent., 6: 140.
Areas cana Druce, 1899, Ann. Mag. nat. Hist. (7) 3: 234,
syn. of trigonalis.
Pericallia galactina intermedia Rothschild,
1933, Ann. Mag. nat. Hist. (10), 11: 186 syn. of
Pericallia walshiae Roepke,
1938, Ent. Zeitschr. 52: 157, syn. of galactina.
Pericallia galactina trigonalis Vollenhoven;
Holloway, 1976: 4; Barlow, 1982: 74.
Diagnosis. The insect cannot be confused with any other; the reticulate black
markings of the forewings and the black spots on patagia and tegulae distinguish
it from Spilosoma of the ericsoni group.
Taxonomic notes. The typical race flies in Java. Subspecies trigonalis, distinguished
by a reddish hindwing, is found in Sumatra. Bornean material is perhaps best
referred to ssp. intermedia Rothschild, with a more orange hindwing,
described from Peninsular Malaysia. This differs slightly from the arrangement
of Inoue (1984).
Geographical range. N. India and S. China to Sundaland, Philippines.
Habitat preference. The species is not common. It was taken between 1200m
and 2000m on G. Kinabalu and at 1500m on the limestone G. Api in Sarawak.
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