Nysius

Chandra, Kailash, Saha, P. C., Biswas, B., Hassan, M. E., Praveen, K., Kushwaha, Sandeep & Mukherjee, Paramita, 2020, An account of Heteropteran Bugs collected by Light Trap in and around Dum Dum (Kolkata), West Bengal, Records of the Zoological Survey of India 120 (1), pp. 65-83 : 73

Key to species of the genera Nysius

1. All antennal segments black with 2nd segment distinctly longer than 3rd segment .............. ceylonicus

- 2nd joint slightly longer than the 3rd, 3rd and 4th subequal in length .......................................................... 2

2. Legs brown, large coarse punctures to femora and the apices to the tarsi black ............................ inconspicuus

- Legs pale brown, femora spotted with reddish brown, tarsi black apically ....................................... lalcustrinus