Nephelomilta hortensis fansipana Volynkin & Černý, ssp. nov .
(Figs. 72–74, 115, 116, 145)
Type material. Holotype (Figs. 72, 115): ♂, “N-Vietnam / Tonkin, 1600 m, Mt. Fan-si-pan ( Nord), Nebelwald [cloud forest] (22.15’ N 103.45 ’E), 2–4.III.1995, 2240 m, leg. Dr. R. Brechlin ”, slide MWM 31668 Volynkin (Coll. MWM/ ZSM).
Paratypes: 18 ♂, 11 ♀, N Vietnam, 1600 m, Mt. Fan-si-pan (North), Cha-pa, primary forest, 22.17''N, 103.44''E, 25–30.III.1995, leg. V. Sinjaev & A. Schintlmeister, slides MWM 31667 (♂) , ZSM Arct. 37/2017 (♀), ZSM Arct. 38/2017 (♀) Volynkin ( Coll. MWM/ ZSM) ; 6 ♂, 2 ♀, North Vietnam, Cuc Phuong, 60 km SW Hanoi, 400 m (20.15’ N 105.20 ’E), 18.XI.–3.XII. [19]92, leg. Sinajev & Simonov, slides MWM 31669 (♂), ZSM Arct . 39/ 2017 (♀) Volynkin ( Coll. MWM/ ZSM) ; 1 ♂, N Vietnam, Cuc Phuong, 60 km SW Hanoi, 20.15’ N 105.20 ’E, 21.XI.1994, leg. Sinajev & Simonov, ex coll. Schintlmeister, slide MWM 31670 (♂) Volynkin (Coll. MWM/ ZSM) ; 1 ♂, 2 ♀, N Vietnam, 200 m, Ben En Nat. Park, 40 km SW Than Hoa, 18.40’ N 105.40 ’E, 22–30.XI.1994, leg. Sinjaev & Simonov, slide MWM 31680 (♀) Volynkin (Coll. MWM/ ZSM) ; 1 ♂, North Vietnam, Tam Dao, 60 km NW Hanoi, 950 m (21.34' N 105.20 'E), 17.X.1994, leg. V. Sinajev (Coll. MWM/ ZSM) .
Diagnosis. Length of forewing is 11.5–12 mm in males and 15.5–16 mm in females. Nephelomilta hortensis fansipana ssp. nov . differs externally from the nominate subspecies in its orange-reddish forewing pattern and paler hindwings. The male genitalia differ from those of N. hortensis hortensis sp. nov. only by the broader medial costal plate, the length of the medial diverticulum of the vesica significantly varies in both subspecies. The female genitalia of N. hortensis fansipana ssp. nov . differ from those of the nominate subspecies in the slightly larger right lateral protrusion of the ductus bursae.
Distribution. The subspecies is known from North Vietnam.
Etymology. The subspecies name refers to its type locality, Fan-si-pan Mountains in North Vietnam.