Neopseustis, Meyrick, 1909

Liao, Cheng-Qing, Chen, Liu-Sheng & Huang, Guo-Hua, 2021, Notes on the genus Neopseustis Meyrick with description of a new species from China (Lepidoptera: Neopseustidae), Zootaxa 4970 (2), pp. 340-352 : 341

Key to male of the genus Neopseustis

1 Wing expanse exceeding 25 mm ............................................................. N. archiphenax

- Wing expanse less than 25 mm .......................................................................... 2

2 Hindwings uniformly brownish; apex of valvae with slender uncinate process........................... N. moxiensis

- Hindwings with conspicuous whitish scaling on distal half to distal 1/3; apex of valvae acute, without uncinate process..... ................................................................................................... 3

3 Parameres greatly elongated, curved, densely pubescent over ventral half apically.................................. 4

- Parameres undeveloped, inconspicuous................................................................... 6

4 Gnathos curved, sickle-shaped.......................................................................... 5

- Gnathos distinctly straight............................................................ N. rectagnatha sp. nov.

5 Lateroposterior process of anellus deeply forked basally, forming two slender branches.................... N. meyricki

- Lateroposterior process of anellus forked, one branch sharp and another irregularly serrate.............. N. sinensis Davis

6 Lateroposterior process of anellus simple, acute, resembling a pair of inwardly curving horns........................ 7

- Lateroposterior process of anellus not corneate, broader with rounded apices, divergent.................. N. calliglauca

7 Lateroposterior process of anellus stout horn-shaped, heavily sclerotized, curved inward............. N. bicornuta Davis

- Lateroposterior process of anellus rather long, extending beyond uncus.............................. N. fanjingshana