Siniphanerotomella He, Chen & van Achterberg, 1994

Siniphanerotomella He, Chen & van Achterberg, 1994: 191 .

Type species: Siniphanerotomella fanjingshana He, Chen et van Achterberg, 1994 (examined).

Additional diagnosis

Antenna with 18–19 antennomeres (♀) and 23–26 antennomeres (♂). Occipital carina complete or absent mediodorsally. Notauli absent (at most area indicated by concave sculpture in S. disparclypeolus Ji et Chen). Vein 2-SR+M of fore wing usually nearly vertical, but sometimes nearly absent.

Distribution. Oriental region of China (Guizhou, Guangdong, Fujian, Yunnan).

Biology. Unknown.

Key to species of Siniphanerotomella He, Chen et van Achterberg

1 Females; antennomeres 18–19; hind femur comparatively slender (Figs 1K, 4J, 5H) and 3.2–4.3 × longer than wide (Figs 1K, 4J, 5H); apico-ventrally carapace distinctly emarginated (Figs 1H, 4C, 5I)........................................ 2

- Males; antennomeres 23–26; hind femur distinctly swollen (Figs 2L, 3L, 4P, 5P) and 2.1–3.0 × longer than wide; apico-ventrally carapace not emarginate (Figs 2K, 3K, 4M, 5R)..................................................... 4

2 Apico-ventrally metasomal carapace less emarginated (Fig. 5I) and its lateral lamella distinctly widened apically in lateral view (Fig. 5I); hind femur about 4.3 × longer than wide and less swollen (Fig. 5H); apex of T3 comparatively densely punctate-rugose, without large smooth interspaces medially in posterior view (Fig. 5I); POL about equal to diameter of anterior ocellus (Fig. 5D).................................................... S. fanjingshana He, Chen et van Achterberg, 1994

- Apico-ventrally metasomal carapace more emarginated (Figs 1H, 4C) and lateral lamella of metasomal carapace hardly or not widened apically in lateral view (Figs 1H, 4C); hind femur 3.0–3.1 × longer than wide and more swollen (Figs 1K, 4J); apex of T3 less densely sculptured and with distinct smooth interspaces medially in posterior view (Figs 1H, 4C); POL longer than diameter of anterior ocellus (Figs 1E, 4E).................................................................. 3

3 Ocelli larger and POL about 1.3 × diameter of posterior ocellus (Fig. 4E); metasomal carapace more emarginate apico-ventrally in posterior view and with wider lamella (Fig. 4C); hardly depressed above emargination and with less conspicuous bristles; hind femur more swollen (Fig. 4J); vein r of fore wing slightly shorter than vein 3-SR; vein M+CU of hind wing about 1.2 × longer than vein 1-M; mesosternum distinctly punctate (Fig. 4H); hind coxa pale yellowish................................................................................................... S. chengjiaani Tang et Chen, 2022

- Ocelli comparatively small and POL about 1.6 × diameter of posterior ocellus (Fig. 1E); metasomal carapace less emarginate apico-ventrally in posterior view and with narrower lamella, with distinct depression above emargination and with conspicuous pale bristles (Fig. 1H); hind femur less swollen (Fig. 1K); vein r of fore wing about 0.6 × as long as vein 3-SR (Fig. 1B); vein M+CU of hind wing about 1.8 × longer than vein 1-M; mesosternum largely smooth (Fig. 1I); hind coxa white.......................................................................... S. yunnanensis Yao et van Achterberg, sp. nov.

4 Penultimate antennomere usually 2.3–2.5 × longer than wide; metasomal carapace in lateral view subtruncate dorso-apically and comparatively robust (Fig. 4P); metasomal carapace more coarsely sculptured (Fig. 4O)................................................................................................... S. chengjiaani Tang et Chen, 2022

- Penultimate antennomere 1.7–2.0 × longer than wide (Figs. 2C, 3I); metasomal carapace in lateral view evenly curved dorso-apically and comparatively slender (Figs 2J, 3H, 5Q); metasomal carapace slightly less coarsely sculptured (Figs 2I, 3J, 5N) 5

5 Coxae white (Fig. 2A); metasomal carapace in dorsal view apical part less narrowed than basal width of T3 (Fig. 2I); carapace in lateral view evenly rounded apically (Fig. 2J)............................................................................................................................ S. yunnanensis Yao et van Achterberg, sp. nov.

- Coxae yellowish (Figs 3A, 5J); metasomal carapace in dorsal view apical part more narrowed than basal width of T3 (Figs 3J, 5N); carapace in lateral view more protruding dorso-apically (Figs 3H, 5Q)....................................... 6

6 Upper half of mesopleuron mainly coarsely punctate (Fig. 5M); hind femur comparatively narrow apically (Fig.5P); mesoscutum medially coarsely punctate and only posteriorly more or less rugose (Fig. 5M); metasomal carapace without depression medially in posterior view (Fig. 4R) and in lateral view apical surface of metasomal carapace curved (Fig. 5Q); [ventro-lateral carina of metasomal carapace distinct (Fig. 5Q); clypeus smooth to partly coarsely sculptured]........................................................................................... S. fanjingshana He, Chen et van Achterberg, 1994

- Upper half of mesopleuron mainly coarsely rugose (Fig. 3F); hind femur comparatively wide apically (Fig. 3L); mesoscutum medially coarsely rugose (Fig. 3G); metasomal carapace with depression medially in posterior view (Fig. 3K) and in lateral view apical surface of metasomal carapace nearly straight (Fig. 3H).................. S. disparclypeolus Ji et Chen, 2003