Leptispa abdominalis is a species of beetle of the family Chrysomelidae. It is found in China (Fujian, Hainan, Hebei, Guangdong), Taiwan and Vietnam.
Adults reach a length of about 5.9âÂÂ6.8 mm. They are black, with dark brown legs and a yellow abdomen.
The recorded host plants for this species are Bambusa species (including Bambusa pervariabilis) and Phyllostachys species. Larvae, pupae and adults have been found in longitudinally oriented leaf-rolls.