Strophedra, Herrich-Schaffer, 1853

Li, Houhun, 2017, Review of the species of Strophedra Herrich-Schäffer, 1853 from China (Lepidoptera: Tortricidae: Olethreutinae: Grapholitini), Zootaxa 4318 (2), pp. 339-350 : 340-341

Key to species of Strophedra in China (based on male genitalia)

1. Phallus without a spine................................................................................ 2

- Phallus with a ventral spine or a distal denticle............................................................. 4

2. Tegumen with a pair of flaps on its lateral wall ( Fig. 15 )............................................ S. quercivora

- Tegumen without a pair of flaps on its lateral wall.......................................................... 3

3. Cucullus longer than 1/2 length of valva; phallus uniformly wide from base to 3/4, abruptly narrowed and almost uniform from distal 1/4 to apex ( Fig. 16 )....................................................................... S. magna

- Cucullus shorter than 1/2 length of valva; phallus tapering distally ( Fig. 17 )............................... S. nitidana

4. Phallus with a ventral spine............................................................................ 5

- Phallus with a distal denticle........................................................................... 6

5. Cornuti absent ( Fig. 12 )...................................................................... S. nigrifusca

- Cornuti composed a row of fine spines ( Fig. 11 )................................................ S. paraspinifera

6. Phallus with a denticle at distal 1/5, neck about 4/5 width of valva at base ( Fig. 13 )......................... S. laticolla

- Phallus with a denticle before apex, neck about 1/2 width of valva at base ( Fig. 14 )....................... S. tricornuta

Figures

FIGURES 11 – 15. Male genitalia of Strophedra spp. (11 a – 15 a. Enlarged phalli). 11, S. paraspinifera, sp. nov., holotype, slide no. LSH 15354; 12, S. nigrifusca, sp. nov., holotype, slide no. LSH 16380; 13, S. laticolla, sp. nov., holotype, slide no. LSH 15535; 14, S. tricornuta, sp. nov., holotype, slide no. LSH 15582; 15, S. quercivora, slide no. LSH 15908. (Scale bars: Figs. 11 – 15 = 0.2 mm, Figs. 11 a – 15 a = 0.1 mm).

FIGURES 16 – 19. Genitalia of Strophedra spp., 16, 17: Male genitalia (16 a, 17 a. Enlarged phalli): 16, S. magna, slide no. LSH 16368; 17, S. nitidana, slide no. LSH 15404; 18, 19, Female genitalia: 18, S. laticolla, sp. nov., paratype, slide no. LSH 15428; 19, S. nitidana, slide no. LSH 16352. (Scale bars: Figs. 16 – 19 = 0.2 mm, Figs. 16 a, 17 a = 0.1 mm).