firefly Yellow/Green: https://www.youtube.com/watch?v=Rd_eGCqJKYY ( this could definitely be improved, anyone? ) Looks to be strong around Mercury 546(nm) with F.W.H.M. on the order 60(nm), roughly consistent with literature from India ( cf. Current Science V.109 #10, 2015. p.1839, Fig. 2 ). --Brad