Anua tongaensis Hampson, 1913

Swezey, O. H., 1946, Lepidoptera, Geometridae, Arctiidae, Agrotidae, and Pyralidae of Guam, Insects of Guam II, Honolulu, Hawaii: Bernice P. Bishop Museum Bulletin 189, pp. 163-185 : 171

19. Anua tongaensis Hampson ,

Cat. Lep. Phalaenae 12: 434, pl. 214, fig. 11, 1913; Tams, Ins. Samoa 3 (4): 215, 1935.

Two specimens were procured in Guam: Machanao , June 2, Swezey; Piti , May 1, three small looping larvae on Styphelia in the hills above the town, one of which was reared, Swezey. One specimen in U. S. National Museum , Fullaway , 1911.

This moth is not yet widely known, having been recorded from Tongatabu, Fiji, and American Samoa.

The full grown caterpillar was 50 mm.; grayish, with yellowish background and numerous longitudinal crinkly blackish lines; head whitish with several longitudinal brown lines; spiracles oval, pale; abdominal prolegs on segments 6, 7, 8, 9, those on segments 6 and 7 smaller than the others; two dorsal, slightly prominent tubercles on segment 11. Pupation took place June 25, 65 days from its capture. The pupa was formed in leaves webbed together. it was 23 mm.; dark brown; wing sheaths terminating roundly at apical margin of the fourth abdominal segment; cremaster not produced, a few hooks on thickened dorsal edge of apical segment. The adult moth issued July 7, after 12 days in pupal stage.