Cragiosia mesosticta (Hampson, 1911), comb. n. (Figs 7–11, 20, 33, 34) Ilema mesosticta Hampson, 1911, The Annals and magazine of natural history, (8) 8 (46): 401 (Type locality: “S Nigeria, Ilesha ”). Type material examined. Holotype (by monotypy) (Figs 8, 33): ♀, “S. Nigeria. | Ilesha. | L.E.H. Humfrey. | 1911–57.” / “ Ilema | mesosticta | type ♀. Hmpsn.” / red ring “Type” label / “ Arctiidae | genitalia slide | No. 42” / QR- code label with unique ID “ NHMUK 010916121 ” (NHMUK). Additional material examined. GABON: 2 ♂♂, 3 ♀♀, 430m, Mikongo (Rougier), Monts de Cristal (secondary forest), 0˚29'47''N, 11˚10'42''E, 28.vii.–12.viii.2019, MV, actinic & LepiLED light traps, Albert, J.-L., Aristophanous, M., Bie Mba, J., Dérozier, V., Moretto, P. leg., gen. prep. No.: AV7063 ♂; 2 ♂♂, 2 ♀♀, 185m, Dilo ANPN camp, Ivindo (secondary forest), 0˚14'1''S, 12˚17'49''E, 14– 19.viii.2019, LepiLED and MV light traps, Albert, J.-L., Aristophanous, M., Bie Mba, J., Dérozier, V., Moretto, P. leg., gen. prep. Nos.: AV7064 ♂, AV7065 ♀ (ANHRT); REPUBLIC OF CONGO, NNNP: 7 ♂♂, 2 ♀♀, 372m, Mbeli camp (Gilbertiodendron forest), 02°14'23.8''N, 16°23'52.1''E, 1–10.x.2022, MV, LepiLED and actinic light traps, Dérozier, V., Fouka, B., Kirk-Spriggs, A., Takano, H. leg., gen. prep. Nos.: AV7062 ♂, AV8555 ♂; 3 ♂♂, 365m, Mondika camp, 02°21'50.63''N 16°16'25.82''E, 07– 14.ii.2023, MV and LepiLED light traps, Bakala, N., M., Dérozier, V., Kirk-Spriggs, A., László, G. leg.; 2 ♀♀, 311m, Mombongo baï (marshland), 02°10'14.4''N 16°08'27.9''E, 28.vi.2022, actinic light trap, Dérozier, V., Mékounou, P. leg.; 1 ♂, 1 ♀, 358m, Bomassa forest (secondary forest), 02°11'58.1''N, 16°11'16.9''E, 17–23.ix. 2022, LepiLED L. T., Dérozier, V., Fouka, B., Kirk-Spriggs, A., Takano, H. leg.; 2 ♀♀, 380m, Bomassa (secondary forest), 02°12'25.7''N, 16°11'39.1''E, 18–22.vi.2022, act. light trap, Dérozier, V. leg.; 1 ♂, 375m, Mbeli baï (swamp forest), 02°15'30.4''N, 16°24'39.5''E, 25.vi.2022, actinic light trap, Dérozier, V. leg., gen. prep. No.: AV8570 ♂ (all in ANHRT). Diagnosis. The forewing length is 10.0–11.0 mm in males and 11.5–12.5 mm in females. The detailed comparison with the allopatric C. smithi sp. n. is provided below in the diagnosis of the new species. Distribution. The species is currently known from Nigeria, Gabon, and Republic of Congo.

Published as part of Volynkin, Anton V., 2024, On the taxonomy of the Afrotropical genus Crocosia Hampson with descriptions of a new genus and a new species (Lepidoptera: Erebidae: Arctiinae: Lithosiini), pp. 47-64 in Ecologica Montenegrina 78 on page 60, DOI: 10.37828/em.2024.78.6, http://zenodo.org/record/14654161