1. Distant, W. L., 1906. The fauna of British India, including Ceylon and Burma. Rhynchota III. Taylor and Wilson, London.
2. Distant, W. L., 1910. The fauna of British India, including Ceylon and Burma. Rynchota V Appendix. Taylor and Wilson, London.
3. Fieber, F. X., 1844. Monographie: der Gattung Ploa. Entomologische Monographien. (K.) Ceska spol. nauk Abh. 5th Ser. 3: 1?412.
4. Fernando, C. H., 1974. Guide to the freshwater fauna of Ceylon (Sri Lanka). Supplement 4. Bull. Fish. Res. Stn. Sri Lanka (Ceylon) 25: 27?81.
5. Gittelman, S. H., 1974. The habitat preference and immature stages of Neoplea striola (Hemiptera: Pleidae). J. Kansas Ent. Soc. 47: 491?503.