Teinoptila

Jin, Qing, Wang, Shuxia & Li, Houhun, 2009, Taxonomic study of the genus Teinoptila Sauber, 1902 from China (Lepidoptera: Yponomeutidae), Zootaxa 2249, pp. 44-50 : 45

Key to species of Teinoptila from China based on male genitalia

1. Socius with one spine at apex, sacculus with U-shaped mesal concavity ( Fig. 6 ) ...................................... T. bolidias

- Socius with two spines at apex, sacculus without U-shaped mesal concavity ........................................................... 2

2. Saccus roundly dilated distally ( Fig. 8 a) ................................................................................................. T. antistatica

- Saccus slightly but not roundly dilated distally .......................................................................................................... 3

3. Sacculus triangular, smooth at apex ............................................................................................................................ 4

- Sacculus clavate, with small spines in distal 1/3 ( Fig. 10 ) .............................................................. T. clavata sp. nov.

4. Gnathal arm with a pair of triangular processes ( Gershenson & Ulenberg, 1998: 97) ......................... T. brunnescens

- Gnathal arm with a pair of fingerlike processes ( Moriuti, 1977: 206) ......................................................... T. guttella

Figures

FIGURES 6 – 7. Teinoptila bolidias. 6. male genitalia (slide no. JQ 08327); 7. female genitalia (slide no. JQ 08333).

FIGURES 8 – 10. Teinoptila spp. 8. T. antistatica: 8 a. male genitalia (slide no. JQ 08336), 8 b. sclerite of eighth abdominal segment (slide no. JQ 08336); 9. T. brunnescens, female genitalia (slide no. JQ 08299); 10. T. clavata sp. nov., male genitalia (holotype, slide no. JQ 08337).