Euclasta warreni Distant, 1892

Seizmair, Michael, Ishag, Alrabea & Al Dhafer, Hathal Mohammed, 2025, Contribution to the study of the Afrotropical Pyraustinae Meyrick, 1890 (Lepidoptera, Crambidae): Taxonomic and distributional updates on five species with new country records, Biodiversity Data Journal 13, pp. e 161293-e 161293 : e161293-

Euclasta warreni Distant, 1892

Euclasta warreni Distant, 1892 . Distant (1892): 241. Type locality: South Africa, Transvaal, Pretoria

Materials

Type status: Other material. Occurrence: catalogNumber: 20 GP 025 ; recordedBy: M. Seizmair; individualCount: 2; sex: male, female; lifeStage: adult; disposition: CMS; otherCatalogNumbers: 20 GP 027; occurrenceID: D4D0BAAA-E26A-5D99-A553-FD5CD23AE977; Location: country: Oman; stateProvince: Dhofar; locality: Jabal Samhan, Viewpoint ; verbatimElevation: 1400 m; verbatimLatitude: 17 ° 6 ' 9.38 "; verbatimLongitude: 54 ° 41 ' 53.12 ''; Event: eventDate: 23 - XI- 2019

Type status: Other material. Occurrence: catalogNumber: 24 KSMA 005 ; recordedBy: Al Dhafer, H., Fadl, H., Abd Eldayem, M., El Torky, A., El Gharbawy, A., Soliman; individualCount: 1; sex: female; lifeStage: adult; disposition: KSMA; occurrenceID: 1EAB08D4-D977-5E3C-B98A-E896E7105153; Location: country: Saudi Arabia; stateProvince: Al Baha; locality: Shada Al Ala ; verbatimElevation: 1560 m; verbatimLatitude: 19 ° 50 ' 19.74 ' ’; verbatimLongitude: 41 ° 18 ' 36.24 ' ’; Event: eventDate: 17 - X- 2014

Type status: Other material. Occurrence: catalogNumber: 24 KSMA 010 ; recordedBy: Al Dhafer, H., Fadl, H., Abd Eldayem, M., El Torky, A., El Gharbawy, A., Soliman; individualCount: 1; sex: male; lifeStage: adult; disposition: KSMA; occurrenceID: 9A283C22-0913-559F-83D7-47CFF6A2D197; Location: country: Saudi Arabia; stateProvince: Al Baha; locality: Shada Al Ala ; verbatimElevation: 1670 m; verbatimLatitude: 19 ° 50 ' 34.5 ''; verbatimLongitude: 41 ° 18.691 ’; Event: eventDate: 27 - VII- 2015

Type status: Other material. Occurrence: catalogNumber: 25 KSMA 003 ; recordedBy: Al Dhafer, H., Fadl, H., Abd Eldayem, M., El Torky, A., El Gharbawy, A., Soliman; individualCount: 1; sex: female; lifeStage: adult; disposition: KSMA; occurrenceID: D4F64F3D-84C4-5C42-958C-A1B5E25E1DC0; Location: country: Saudi Arabia; stateProvince: Asir; locality: Raydah ; verbatimElevation: 1850 m; verbatimLatitude: 18 ° 11 ' 40.74 ''; verbatimLongitude: 42 ° 24 ' 41.46 ''; Event: eventDate: 05 - III- 2015

Type status: Other material. Occurrence: catalogNumber: 25 GP 04 ; recordedBy: M. Seizmair, A. Ishag; individualCount: 1; sex: male; lifeStage: adult; disposition: CMS; occurrenceID: 2E156964-7360-5C09-AADB-4DDE62CB7730; Location: country: Saudi Arabia; stateProvince: Jizan; locality: Fayfa Mts, Al Kasha ; verbatimElevation: 640 m; verbatimLatitude: 17 ° 14 ' 30.3684 "; verbatimLongitude: 43 ° 3 ' 41.0178 "; Event: eventDate: 30 - X- 2024

Diagnosis

Wingspan 36.6 – 37.0 mm (n = 3) in the males, 37. 1 - 37.6 mm (n = 3) in the females. Fore-wing length 16.9 – 17.5 mm (n = 3) in the males, 17.6 - 18.3 mm (n = 3) in the females. Labial palpus elongate, distal end acuminate, basal segment white-scaled. Maxillary palpus with greyish-brown scaling laterally. Fore-wing discal cell suffused with white scales over its entire range, with an orbiform black posterior discal spot and an infracellular darkish brown marking in the medial area of the anal border. Lower angle of the cell with a brownish-black strike bordered by a white line. Fringe grey. Uncus in the male genitalia with the neck short, constant in width, twice as long as wide, the apex of globular shape, rounded. Tuba analis equal in length with the uncus. Valva narrowed towards the apex, costa inflated basally, convex medially, distal end with a process terminating shortly below the apex. Phallus elongate, posterior portion slightly widened, vesica with a short, slightly curved cornutus, the anterior end of which is dilated. Posterior ductus bursae in the female genitalia with a strongly sclerotised dilation, followed by a short, strongly sclerotised colliculum and a slightly sclerotised antrum of subrectangular shape. Signum with short lateral processes ( Popescu-Gorj and Constantinescu 1977, Figs 1 d , 3 c , 4 c , 6 c , d ).

Distribution

Afrotropical – Ethiopia, Congo, Mali, South Africa, Zambia, Zimbabwe, Burundi, Kenya ( Popescu-Gorj and Constantinescu 1973, Popescu-Gorj and Constantinescu 1977 and De Prins and De Prins 2025). New to the Arabian Peninsula.

Figures

Figure 1 d. E. warreni, slide no. 25 GP 004.

Figure 3 c. E. warreni, slide no 25 GP 004;

Figure 4 c. E. warreni, slide no 25 GP 004;

Figure 6 c. E. warreni, slide no. 24 KSMA 05;

Figure 6 d. E. warreni, slide no. 24 KSMA 05, close-up posterior ductus bursae.