Ahlbergia chalcidis Chou & Li (incertae sedis)

(Figs. 22–27, 67–68, 92–93, 102, 111)

Ahlbergia chalcidis Chou & Li, 1994: 770, fig. 70 for male genitalia, 656, figs for habitus, TL: Kunming, Yunnan; Huang & Zhou, 2014: 142, figs. 25–29 for habitus, figs. 52, 53, 60, 61, 69, 70, 82, 106 for male and female genitalia.

Material. CHINA: Yunnan province: 1♂ (CHH), Lijiang City, Yulongxueshan, 2900m, 10.V.2014, H. Huang leg.; 3♂♂, 2♀♀ (CHH), Lijiang, Yulongxueshan, 2600m, 26.IV.2015, H. Huang leg.; 2♂♂, 1♀ (CCAM), Lijiang, Ludian, 2600–2900m, IV.2006, A.-M. Chen leg.; 5♂♂, 1♀ (CHH), Lijiang, Ludian, 2500–2800m, 13.V.2014; 7♂♂, 2♀♀ (CHH), Lijiang, Ludian, 2600–2700m, 28.IV.2015 & 20.V.2015, H. Huang & X.-D. Yang leg.; 2♂♂, 1♀ (CHH), Diqing Tibetan Autonomous Region, Deqin County, 2900m, 27.V.2009, L. Ding leg.. All specimens dissected.

Remarks. Beside holotype, a topotypic male specimen was figured by Huang & Zhou (2014: 146, figs. 25– 26); the photos of these two specimens are basis of identification for A. chalcidis . Male specimens from Lijiang were identified by their external similarities to specimens from Kunming. It should be noted that Lijiang shares all the Ahlbergia fauna with Kunming and both areas are occupied by A. chalcidis, A. circe montivaga Johnson, 1992, A. prodiga Johnson, 1992 and A. clarolinea .

Relationship between A. chalcidis and A. chalybeia is still uncertain; more specimens of A. chalybeia from Hubei need to be examined in the future. The lamella postvaginalis of female genitalia of A. chalcidis is varied from the type as shown in Fig. 111 to the types resembling that of A. clarolinea as shown in Fig. 108 and that of A. chalybeia as shown in Fig. 110. The ductus bursae of A. chalcidis is as wide as that of A. chalybeia, but is constantly wider than that of A. clarolinea . Therefore it is likely that A. chalcidis represents a geographical variation of A. chalybeia .

Both A. chalcidis and A. clarolinea fly together at least in three localities: Yulongxueshan, Ludian and Kunming. The two species are markedly different in wing-characters, length of saccus of male genitalia, shape of tegumen of male genitalia in lateral view and width of ductus bursae of female genitalia.

Distribution. Yunnan (Kunming, Deqin, Lijiang).