Acanthocorona muelleri, Mey & Léger & Lien, 2021

Mey, Wolfram, Leger, Theo & Lien, Vu Van, 2021, New taxa of extant and fossil primitive moths in South-East Asia and their biogeographic significance (Lepidoptera, Micropterigidae, Agathiphagidae, Lophocoronidae), Nota Lepidopterologica 44, pp. 29-56 : 40

Acanthocorona muelleri sp. nov. Figs 21 , 35 , 36

Material.

Holotype ♂, Burmese amber, BUB 1519, ( PM).

Etymology.

The species is named in honour of Patrick Müller, collector of amber inclusions, for providing material for scientific study.

Preservation.

Completely preserved in a flat, oval piece of amber (Fig. 35 ), wings overlapping, legs and post-abdomen well visible in ventral view, air bubble on mouthparts and prosternum, additional insects present (two Hymenoptera , two Diptera , one Collembola ).

Description.

Length of forewings 3.0 mm, antennae brown, 23 flagellomeres.

Male genitalia (Figs 21 , 36 ): rod-like spine on ventral apex of valvae long, straight and thickened, apical margin of valvae with three denticules of declining size, no denticles before margins; basal spikes of valvae paired, slightly shorter than length of valvae, arising on elongate papillae at median sides of valvae. Phallus long, tubular and gradually curved ventrad, tip with short, protruding vesica.

Figures

Figure 35. Acanthocorona muelleri sp. nov, male holotype, ventral view.

Figure 36. Acanthocorona muelleri sp. nov., close-up of male genitalia, ventral view.

Figures 18 - 25. Acanthocorona spp.: 18 - 20. A. skalskii sp. nov.: 18. Wing venation; 19. Male genitalia, ventral; 20. Male genitalia, dorsal; 21. A. muelleri sp. nov., male genitalia, ventral, 22. A. bowangi sp. nov., male genitalia, ventral; 23. A. wichardi sp. nov., ventral; 24. A. kuranishi sp. nov., ventro-caudal, 25. A. sattleri sp. nov., male genitalia; A - ventro-lateral, B - dorso-lateral. Scale bars: 1 mm (18.); 0.5 mm (20., 22., 23., 25.).