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Castor semi-looper or Croton caterpillar Achaea janata (Linnaeus, 1758)
Identification: The species has a pale reddish-brown body. Forewings with prominent markings. A short sub-basal waved line and an obliquely waved antemedial and excised postmedial lines are present. Postmedial lines are often black suffused inside them. A speck is found at the end of the cell. A diffuse rufous band runs beyond the postmedial line, Hindwings black with medial white band. Three large white spots can be seen on outer margin, with whitish cilia. Ventral side grey suffused. Forewings with an oblique white postmedial band not reaching the costa. Two crenulate medial lines found on each wing.
Wing Span: 6.0-7.0 cm
Caterpillar Hosts: Excoecaria cochinchinensis (Euphorbiaceae),castor oil plant (Ricinus communis), both Brassica and Ficus species and many more crops like Arachis hypogaea, Citrus, Corchorus, Dalbergia sissoo, Dodonaea viscosa, Euphorbia hirta, Glycine max, Lagenaria siceraria, Punica granatum, Rosa chinensis, Solanum lycopersicum, Tamarindus indica, Theobroma cacao, Vigna mungo and Ziziphus mauritiana.
Range: Indo-Australian tropics and subtropics, extending south to New Zealand and east through the Pacific archipelagoes to Easter Island.
National Moth Week was July 23-31, 2022!
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