Mustilia Walker, 1865

Wang, Xing, Wang, Min, Zolotuhin, Vadim V., Hirowatari, Toshiya, Wu, Shipher & Huang, Guo-Hua, 2015, The fauna of the family Bombycidae sensu lato (Insecta, Lepidoptera, Bombycoidea) from Mainland China, Taiwan and Hainan Islands, Zootaxa 3989 (1), pp. 1-138: 96-98

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Mustilia Walker, 1865


XXI. Mustilia Walker, 1865  ( FIGURES 38–41View FIGURE 38View FIGURE 39View FIGURE 40View FIGURE 41)

Mustilia Walker, 1865  , List Specimens lepid. Insects Colln Br. Mus. 32: 580. Type species: Mustilia falcipennis Walker, 1865  , by monotypy.

Diagnosis. Characterized by the following features: wings brown-ochre; forewing in male with complex patterns, apex strongly produced and hook-shaped; antemedial line arched; medial and postmedial lines wavy; oblique line present between postmedial line and apex; discal cell with a black spot; hindwing with slightly wavy medial and postmedial lines and discal cell with a spot; uncus broad and bifid; valva constricted at 2 / 3 length, apex narrow and blunt. Female similar to male but larger, paler with weaker pattern, and antenna filiform.

Distribution. Oriental Region.

Remarks. The genus currently consists of seven species, of which six are recorded from China (Map 21). When the larva is disturbed, the head and anterior part of thorax are retracted, an irregular-edged later flap is expanded and inflatable organ expanded to resemble an eye (Plate 10 D – 10 G). Identification is sometimes difficult, but the shape of the uncus is diagnostic, so genital dissection is strongly recommended to confirm identification.

Map 21. Distribution of Mustilia  spp. mainly in China.