3.6 Patissa Moore, 1886 (Figs 6, 79–80, 89–91, 103–105)

Patissa Moore, 1886, Lepid. Ceyl.. 3: 388; Hampson, 1895. Proc. Zool. Soc. Lond., 1895: 910; Hampson, 1896. Fauna Brit. Ind. Moths, 4: 43; Shibuya, 1928. J. Fac. Agric. Hokkaido Univ., 22 (1): 58. Type species: Metasia lactealis Felder & Rogenhofer, 1875, by monotypy.

Eurycraspeda Swinhoe, 1890 . Trans. Ent. Soc. Lond., 1890: 284. Type species: Eurycraspeda burmanalis Warren, 1890, by monotypy.

Diagnosis. The genus is distinguishable from other genera by vein R 2 stalked with R 3+4 on forewing, M 1 stalked with Sc+R 1 +Rs on hindwing and the harpe present in male genitalia.

Distribution. All over the world.

Remarks. The genus comprises about 27 species, in which six species were reported in China.

Key to species of Patissa in China

1. Veins of forewing concolorous with ground color ............................................................................................................................... 2 Veins of forewing darker than ground color......................................................................................................................................... 5

2. Forewing without fasciae ...................................................................................................................................................... P. virginea Forewing with yellow or fuscous fasciae ............................................................................................................................................. 3

3. Length of labial palpi about two times the diameter of compound eyes; forewing with thinner fuscous fasciae; valva with two spine-like harpes ................................................................................................................................................................. P. tenuousa Length of labial palpi about the diameter of compound eyes; forewing with broader yellow fasciae; valva with a spine-like harpe, or two harpes but not as above ............................................................................................................................................................. 4

4. In male genitalia, two harpes present ..................................................................................................................................... P.minima In male genitalia, one harpe present ................................................................................................................................ P. fulvosparsa

5. Forewing white, slightly suffused with fuscous, without fasciae ................................................................................ P. nigropunctata Forewing suffused with dark fuscous scales except costal half area, with obvious fasciae............................................... P. taiwanalis