Glyphodes negatalis, the karanj defoliator, is a moth of the family Crambidae. The species was first described by Francis Walker in 1859. It has a wide range in the tropics, including South Africa, The Gambia, Mali,Poltavsky, A.N., Kravchenko, V.D., Traore, M.M., Traore, S.F., Gergely, P., Witt, Th.J., Sulak, H., Beck, R.H.-T., Junnila, A., Revay, E.E., Doumbia, S., Beier, J.C. & Müller, G.C. 2018. Biodiversity and seasonality of Pyraloidea (Lepidoptera) in the woody savannah belt in Mali. Israel Journal of Entomology 48 (1): 69–78. Article India, Sri Lanka, Hong Kong, Japan, and eastern Australia (including New South Wales and Queensland).
The wingspan is about 20 mm.
Biology The larvae feed on Dillenia indica, Ficus microcarpa and Ficus religiosa (Moraceae)."Glyphodes negatalis (Walker, 1859)". African Moths. Retrieved 11 April 2018. In India, they had been found also as a main defoliator of Pongamia pinnata (karanj),Chavan, Kabade, Kumar Prajapati, (2012). "Glyphodes negatalis Walker (Lepidoptera: Pyralidae): A new insect pest on Karanj, Pongamia pinnata (L.) Pierre in south Gujarat" . Insect Environment. 17 (4): 176-177. and in Japan, the larvae had been found on Ficus superba var. japonica.Tominaga, Satoru (2007). "New host plants of Dysallacta negatalis Walker and Hyalobathra illectalis Walker Crambidae". Japan Heterocerists' Journal. 243: 328-330.
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