摘要A new species of gekkonid,Gekko liui sp.nov.,is described based on six specimens from Dazhou Island,Wanning City,Hainan,China.This new species is distinguished from its congeners by significant genetic divergence(>4.6%in the mitochondrial ND2 gene)and morphological characters,including a small body size(SVL 48.92-56.67 mm,n=6),nares in contact with rostral scale,37-42 interorbital scales between anterior corners of the eyes,140-148 ventral scales from mental to cloacal slit,103-118 midbody scale rows,34-39 ventral scale rows,10-11 subdigital lamellae on the first toe and 12-13 on the fourth toe,webbing present in the fingers and toes,with tubercles on the dorsal surface of the tail,20-23 precloacal pores in males,and dorsal surface of body with six or seven large dark and brown bicolor bands between the nape and sacrum.The discovery of this new species brings the number of Gekko(subgenus Japonigekko)species in China to 23 and in Hainan Province to 4.