Bulletin - United States National Museum

16 U.S. NATIONAL MUSEUM BULLETIN 257
and less regular teeth along the top of the labis; in the female, absence
of a slight sclerite in the upper part of the ductus bursae and slight
differences of the sclerotization of the rim of the ostium bursae,
Homona Walker, 1863
Key to the Philippine Species of Homona
1. Males 2
Females 5
2. Costal fold absent; a large fulvous species (28 mm) H. aestivana
Costal fold present 3
3. Aedeagus with two long, subapical prongs; hindwing pale ochre.
H. bicornis, new species
Aedeagus either with teeth short, or these teeth not only apical; hindwing
sometimes light fuscous 4
4. Aedeagus with two short apical teeth; hmdwing fuscous.
H. bakeri, new species
Aedeagus with a subbasal and an apical cusp; hindwing pale ochre.
H. phanaea
5. Very large, 38 mm; forewing broad, not narrowed, with strongly sinuate costa
and termen, apex produced; hindwing bright orange yellow.
H. aestivana
Smaller, 24-30 mm; forewing with costa less sinuate or straight, apex not
produced; hindwing pale or light ochre 6
6. Forewing hardly narrowed posteriorly, ovate truncate; cestum tortuous, not
H. bakeri, new species
coiled
Forewang distinctly narrowed posteriorly, oblong; cestum coiled, not tortuous
7
7. Lamella postvaginalis, an oblong, longitudinal plate, continued as colliculum.
H. bicornis, new species
Lamella postvaginalis, a transverse plate, forming with colliculum a T-shaped
H. phanaea
structure
Homona aestivana (Walker, 1866)
Figures 303, 492
Ericia aestivana Walker, 1866, List Lepidopterous Insects British Mus., pt. 35,
p. 1803 (cf. New Guinea).
Homona aestivana.— Meyrick, 1910, Proc. Linn. Soc. New South Wales,
vol. 35, p. 212; 1912, in Aurivillius, Lepidopterorum Catalogus, pars 10, p. 14
1913, in Wytsman, Genera Insectorum, fasc. 149, p. 19; 1938, Trans. Roy. Ent.
Soc. London, vol. 87, p. 505.—Durrant, 1915, in Ogilvie-Grant, Rep. British
Ornithologists' Union and WoUaston Exped., . . . Dutch New Guinea, 1910-
1913, vol. 2, pt. 15, p. 153.—Diakonoflf, 1941, Treubia, vol. 18, p. 37; 1952,
Proc. Ned. Akad. Wet., ser C, vol. 55, p. 404; 1953, Verh. Ned. Akad. Wet.,
Nat., ser. 2, vol. 49, no. 3, p. 19.
Ericia posticana Walker, 1866, List Lepidopterous Insects British Mus., pt. 35, p.
1803 CcT, Sulals.).
Distribution: New Guinea, Waigeu Is., Misool Is., Sula Is.;
Philippine Is.