Ctenipocoris, Montandon, 1897

Polhemus, Dan A. & Polhemus, John T., 2013, Guide To The Aquatic Heteroptera Of Singapore And Peninsular Malaysia. Xi. Infraorder Nepomorpha- Families Naucoridae And Aphelocheiridae, Raffles Bulletin of Zoology 61 (2), pp. 665-686 : 672

KEY TO SPECIES OF CTENIPOCORIS

occurring in Southeast Asia (based on characters presented in Zettel, 2012)

1. Smaller species, body length 7.9–8.4 mm, width of pronotum 3.9–4.2 mm; sides of pronotum curving weakly downward, ventral pronotal surface nearly flat .... C. asiaticus Montandon

– Larger species, body length 9.4 mm, width of pronotum 4.7 mm; sides of pronotum curving strongly downward, ventral pronotal surface distinctly concave................ C. sinicus Zettel