Micrarbela minima ( Hampson, 1910 ) Yakovlev & Zolotuhin, 2021

Yakovlev, Roman V. & Zolotuhin, Vadim V., 2021, Revision of the family Metarbelidae (Lepidoptera) of the Oriental Region. II. Two monotypic genera - Ghatarbela gen. nov. and Micrarbela gen. nov. - from the Western Ghats and Sri Lanka biodiversity hotspot, Ecologica Montenegrina 42, pp. 103-108 : 106-107

Micrarbela minima ( Hampson, 1910) comb.nov.

Figs 2−4, 6−7

Arbela minima Hampson, 1910 , Journ. Bombay Soc. 20: 97, pl. F, fig. 24.

Type locality: Ceylon, Galle [ Sri Lanka, Southern Province, 6°03′N / 80°12′E] .

Type material. Holotype (male) in NHMUK, examined.

Material examined. Holotype, male, Ceylon, Galle , 22.iii.1907, Bainbridge Fletcher ( NHMUK). 1 male, 1 female, Ceylon, Mankulam, N. Prov., February, 1913 – 213, J. Pole ( NHMUK, individuals numbers NHMUK: 012832504 and 012832514).

Redescription

Male. Length of fore wing 5−6 mm (holotype – 5 mm). Fore wing brown with poorly expressed dark-brown discal spot, with indistinct reticulate pattern. Hind wing brown without pattern.

Male genitalia. See description of the genus.

Female. See description of the genus.

Female genitalia not known.

Distribution. Sri Lanka.

Habitat and fly period. Mountain rain forest, moths were collected in February and late March, and no fresh material known. They are seemingly extremely rare and local and probably are day-fliers.

Figures

Figures 1−2. Ghatarbela bifidunca sp. nov.: 1. male holotype (MWM); 2. male genitalia (holotype: slide Genitalpräparat Heterocera MWM: 28.031).

Figures 3−7. Micrarbela minima (Hampson, 1910): 3. reproduction from the original drawning; 4. male holotype (NHMUK); 5. male, Ceylon, Mankulam (NHMUK); 6. female, Ceylon, Mankulam (NHMUK); 7. male genitalia (slide NHMUK: 010315535).