Variable;"Dipsas vermiculata";"Dipsas welborni sp. nov." "Background color of ventral surfaces";"Always white";"Usually yellow, occasionally pale yellowish white" "Prefrontals fused";"No (partially fused in ZSFQ 5060)";Yes "Rows of spines on hemipenis body (asulcate surface)";"1–2 rows of curved spines";"2 rows of straight spines followed by 2–3 rows of curved spines" Sex;"Males (n = 8)";"Females (n = 3)";"Males (n = 7)";"Females (n = 3)" "Maximum SVL";"515 mm";"501 mm";"542 mm";"595 mm" "Maximum TOL";"735 mm";"701 mm";"689 mm";"876 mm" "Ventral scales";181–192;173–174;181–193;177–179 "Subcaudal scales";103–113;99–103;107–116;105–106