(6) The dentivalvata group

Wang, Shuxia, Zhu, Xiaoju, Zhao, Baixue & Yang, Xiaofei, 2020, Taxonomic review of the genus Meleonoma Meyrick (Lepidoptera: Autostichidae), with a checklist of all the described species, Zootaxa 4763 (3), pp. 371-393 : 376-377

(6) The dentivalvata group (

Figs 6 f−8f)

Diagnosis. Moths of the dentivalvata group share a broad black lanceolate forewing with two large yellow costal spots ( Fig. 6f ), or with a wide transverse yellow fascia and a yellow costal spot in some species. In the male genitalia ( Fig. 7f ), the uncus is sub-conical or short cylindrical, or clubbed, and has dense hairs; the gnathos is

absent; the valva bears an apical spine; the transtilla is extended to a pointed tip towards middle; and the sub-triangular sacculus is entirely separated from the valva. In the female genitalia ( Fig. 8f ), the ductus bursae is sclerotized entirely or partly, and the corpus bursae has 1−2 signa.

The dentivalvata group includes 15 known species.

Figures

FIGURE 6. Adults of Meleonoma spp. a. M. malacobyrsa (Meyrick, 1921) b. M. sp. (Mt. Longtang) c. M. sp. (Mt. Daming) d. M. sp. (Mt. Weibao) e. M. jigongshanica (Wang, 2003) f. M. paranthaedeaga (Wang, 2003) g. M. facialis Li et Wang, 2002 h. M. acutiuscula (Wang, 2004). Scale bars: 2 mm

FIGURE 7. Male genitalia of Meleonoma spp. a. M. malacobyrsa (Meyrick, 1921), slide No. ZXJ19149 b. M. sp. (Mt. Longtang), slide No. ZXJ19136 c. M. sp. (Mt. Daming), slide No. ZXJ19134 d. M. sp. (Mt. Weibao), slide No. YAH15265 e. M. jigongshanica (Wang, 2003), slide No. L97210 f. M. paranthaedeaga (Wang, 2003), slide No. ZXJ19140 g. M. facialis Li et Wang, 2002, slide No. ZXJ19154 h. M. acutiuscula (Wang, 2004), slide No. ZXJ19170. Scale bars: 0.2 mm (b, g); 0.5 mm (a, c, d, e, f, h)

FIGURE 8. Female genitalia of Meleonoma spp. a. M. malacobyrsa (Meyrick, 1921), slide No. LiSR15015 b. M. sp. (Mt. Longtang), slide No. ZXJ19163 c. M. sp. (Mt. Daming), slide No. YAH12313 d. M. sp. (Mt. Weibao), slide No. ZXJ19169 e. M. jigongshanica (Wang, 2003), slide No. ZXJ19161 f. M. paranthaedeaga (Wang, 2003), slide No. W98003 g. M. facialis Li et Wang, 2002, slide No. ZXJ19284 h. M. acutiuscula (Wang, 2004), slide No. ZXJ19167. Scale bars: 0.2 mm