Hypotrabala michaeli, Prozorova & Revay & Müller & Yakovlev & Saldaitis & Volkova & Sulak & Prozorov, 2024

Prozorova, Tatiana A., Revay, Edita E., Müller, Günter C., Yakovlev, Roman V., Saldaitis, Aidas, Volkova, Julia S., Sulak, Harald & Prozorov, Alexey M., 2024, Description of two outstanding Hypotrabala from the Central Congolian lowland forests (Lepidoptera, Lasiocampidae, Lasiocampinae, Selenepherini), Ecologica Montenegrina 80, pp. 196-208 : 198

Hypotrabala michaeli sp. n.

https://zoobank.org/ urn:lsid:zoobank.org:act:21C276CA-3165-4C53-B06A-1A9DBA6C75A4

( Figs 1 , 14 )

Holotype: ♂, “ DR Congo, Mai- Ndombe / Salonga NP, Ekongo camp / 02°45’23.09”S, 20°18’55.37”E, / October, 2017; leg. A. & T. / Prozorovs, V. Kravchenko et al.,” GS 0993 ( CGM / USTTB).

Description. Male ( Fig. 1 ). Flagellum dark brown; head and thorax speckled brown, orangish brown and tan. Forewing. Forewing length: 19.5 mm. Somewhat triangular, elongated; outer margin wavy; apex rounded. Wings speckled brown and orangish brown with darker colored crenulated medial lines, medial area in-between and faint outer line; discal spot pale yellow. Fringe dark brown. Hindwing. Somewhat trapezoid, outer margin concave. Almost evenly dark brown without pattern, costal area orangish brown. Fringe dark brown. Genitalia ( Fig. 14 ). Tegumen a narrow band with long, finger-shaped, laterocaudal socii and small triangle extension in-between. Vinculum medially split, with juxta forming a pair of somewhat trapezoid ventrolateral outgrowths. Valvae about the same length as socii, curved, apically pointed. Juxta surrounds phallus, bears small dorsal dent. Phallus claw-like, gradually narrows towards apex, apically rounded. Vesica bag-like with two medial lines of cornuti. Eighth sternite somewhat triangle with elongated lateral apodemes and a pair of short triangular mediocaudal processes. Female remains unknown.

Figures

Figures 1–5. Adult males of Hypotrabala spp. 1. H. michaeli sp. n., DRC, Ekongo, GS 0993 (CGM/USTTB). 2. H. leopoldi, DRC, Flandria, GS 2010-07 (RMCA). 3. H. benjamini, DRC, Isiro, GS 2005-06 (RMCA). 4–5. H. carnegiei. 4. Cameroon, Efulen, GS 2008-07 (CMNH). 5. Gabon, Belinga, GS 2005-25 (MNHN). Scale bar – 1 cm.

Figures 14–15. Male genitalia of Hypotrabala spp., DRC, Ekongo camp (CGM/USTTB); CA – clasping apparatus, PH – phallus, TG – 8th tergite, ST – 8th sternite. 14. H. michaeli sp. n., GS 0993. 15. H. oliviae sp. n., GS 0872. Scale bars – 1 mm.