I suspect it could be lace wing bug Urentius spp. (Family: -Tingidae, Order: - Hemiptera). It is a common pest on egg plant. Both adult and nymphs suck the sap from plant.
Newly moulted adult and nymphs of Urentius hystricellus
U. echinus (Tingidae) infesting leaves of brinjal
Posted by: Dr. Ravishankar Narayana
Posted: September 23, 2016