Lygaeidae, Schilling, 1829

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 : 70-71

Key to the subfamily of the family Lygaeidae

1. Usually dull brown or mottled brown, black and white; hemelytra not partly hyaline........ Rhyparochrominae

- Usually dull brownish yellow; hemelytra partly hyaline ............................................................................. 2

2 Apical corial margin straight .......................... Orsillinae

- Apical corial margin sinuate on basal half .................. 3

3 Cross vein absent on membrane of forewing ............... ............................................................................ Lygaeinae

- Cross vein present on membrane of forewing creating a closed basal cell .......................................................... 4

4 Abdominal spiracles 3-7 ventral .............. Oxycareninae

- Abdominal spiracles 2-4 dorsal ................................... 5

5 Pronotal margins not spread out and flattened ................ ......................................................................... Geocorinae

- Pronotal margins not spread out and flattened ............. ............................................................................. Cyminae