Colias caucasica Staudinger, 1871

—In Montenegro the species was first observed by Nicholl (1902) in the Tara gorge, however, no specimens could be sampled owing to the fast flight of the butterfly. In later surveys in the area of the Durmitor National park no specimens were observed (Bretherton 1973; Cribb 1973; Sijarić et al. 1984; Švara et al. 2015) until it was rediscovered by Nahirnić et al. (2015). The species is also mentioned for Mt. Sinjajevina in Tolman & Lewington (2008), but the author could not find the source of this record. Colias caucasica was also observed from Mt. Komovi and Čakor pass (Franeta & Gascoigne-Pees pers. obs.) in the first half of July. In recent years several new populations have been discovered in Serbia (Franeta & Đurić 2011) and the species was first reported for Croatia (Tvrtković et al. 2011).This species is probably much more widespread in the northern regions of Montenegro.