Ankylopteryx (A.) delicatula Banks, 1937

Ankylopteryx (A.) delicatula Banks, 1937 View in CoL Figs 1 View Figures 1–9 , 10-14 View Figures 10–14 , 15-17 View Figures 15–17 , 112 View Figure 112

Ankylopteryx (A.) delicatula : Banks 1937: 280 (original: Ankylopteryx ; type locality: Ryukyu (Japan, Okinawa); syntypes in MCZ); Kuwayama 1964: 42 ( Ankylopteryx ); Brooks and Barnard 1990: 265 ( Ankylopteryx (Ankylopteryx) ); Tsukaguchi 1995: 123 (key to Japanese species), 126, fig. 100 ( Ankylopteryx ).

Material examined.

China: 1 ex, Yunnan, Jinghong, Sanchahe, 620 m, 1981.IV.12, Yang Chikun (CAU); 1 ♀, Yunnan, Yingjiang, Tongbiguan, Jinzhuzhai, 2012.V.2, Liang Feiyang (CAU); 1 ♂, Hong Kong, 2015.V, Liang Minxuan (CLMX).

Diagnosis.

Frons with two brownish small spots between antennae, two brownish stripes below toruli; frontal markings more or less curved posteriorly and contiguous with clypeal markings anteriorly; gena with a long brownish stripe. Protibia and mesotibia with median markings. Both wings distinctly marked with brownish vittae along posterior margins near base and medial fork to apex of distal cubital cell ( dcc). Abdomen with brownish markings on terga 2-8.

Supplemental description.

Female: Sternum 8 distinctly convex at median part of posterior margin, with setae apically. Subgenitale stubby, bilobed apically; spermatheca round, as wide as long; spermaduct coiled, about three times as long as spermatheca.

Distribution.

China (Yunnan, Hong Kong); Japan (Okinawa).

Remarks.

The frontal spots between antennae and vittae on both wings in our examined specimens from Yunnan are same with that in the type of A. delicatula , as originally described. Accordingly, we identified the above two specimens from Yunnan to be A. delicatula , which is newly recorded from China.