Ischyja spp. Hübner, [1823] -

Taxonomic Information

Ischyja Hübner, [1823] species known from the Indian subcontinent. 

Ischyja marapok Holloway, 2005. Indian subregion, Andaman Is.; Borneo (TL). 

Ischyja hemiphaea (Hampson, 1926) (Potamophora). India, Andaman Is.; Singapore (TL). 

Ischyja manlia Cramer, [1776] (Phalaena (Noctua)). TL: “Coromandel”, Tamil Nadu. Indian subregion; Myanmar. 

Ischyja ferrifracta (Walker, [1863]) (Potamophora). TL: Borneo.

Ischyja inferna Swinhoe, 1902. India; Sri Lanka; Borneo (TL).

Ischyja hagenii (Snellen, 1885). India: Mizoram; Indonesia (TL: Sumatra). 
 

Ischyja Hübner, [1823] males identification summary, drawn up by SS. Many individuals are best separated by genitalia. 

Ischyja inferna: Oblique shape of reniform and shape of loop mark near dorsum.

Ischyja ferrifracta: Pale wedge at forewing apex in both sexes. 

Ischyja hagenii: geometrically marked greyish forewings. Can be confused with extralimital species Ischyja anna. 

Ischyja manlia: pale marginal outer half of forewing; pale stigmata with dark edging (marapok has stigmata with pale egding) ; no purplish tint other than longitudinal streak, which is bordered inwards by a dark longitudinal streak. UNF: blue postmedial fascia which is broader posteriorly. 

Ischyja hemiphaea: Dark basal half; pale marginal half, with dark zig-zag line from apex. Three black dentate marks beyond cell area. Reniform kidney-shaped (with possible black marks in the reniform). 

Ischyja marapok: strong purplish tint to forewing, the stigmata are contained in a black longitudinal zone in the cell, stigmata with pale edging. Reniform kidney shaped. There is a dumbell-shaped black streak more centrally that contains whitish marks antemedially and postmedially indicating the position of the medial loop from the dorsum.

Photo Gallery and Species Biology

StateJanFebMarAprMayJunJulAugSepOctNovDecNo date
Andaman and Nicobar Islands
Andhra Pradesh11
Arunachal Pradesh
Assam
Bihar
Chandigarh
Chhattisgarh
Dadra & Nagar Haveli
Daman & Diu
Delhi
Goa1
Gujarat
Haryana
Himachal Pradesh
Jammu and Kashmir
Jharkhand
Karnataka1
Kerala
Lakshadweep
Madhya Pradesh
Maharashtra
Manipur
Meghalaya1
Mizoram
Nagaland
Odisha
Paschimbanga
Pondicherry
Punjab
Rajasthan
Sikkim1
Tamil Nadu
Tripura
Uttar Pradesh
Uttarakhand11
West Bengal1
Total1112121
Ischyja spp.: Aglaia lawii (Meliaceae), Cupaniopsis anacardioides (Sapindaceae), Dalbergia monetaria, Xylia xylocarpa (Fabaceae), Terminalia paniculata (Combretaceae) (Robinson et al. 2010).

Page citation

Anonymous 2024. Ischyja spp. Hübner, [1823] – . In Sondhi, S., Y. Sondhi, R.P. Singh, P. Roy and K. Kunte (Chief Editors). Butterflies of India, v. 3.74. Published by the Indian Foundation for Butterflies. URL: https://www.mothsofindia.org/ischyja-spp, accessed 2024/07/18.