Description
The species can be distiguished from the lookalike Malay Lacewing by the white submarginal band on the underside of the hindwing.

Habitat & Habits
The Plain Lacewing is found in the northern part of the nature reserves in Singapore, and is rare. It flies in the same locations where the Malay Lacewing is found. 

Other Observations
To be detailed.

Early Stages
Refer to the ButterflyCircle's blog article - Life History of the Plain Lacewing.

Further Reading
To be detailed.