harlequin snake

== English == === Noun === harlequin snake (plural harlequin snakes) Agkistrodon contortrix mokasen, the northern copperhead, a venomous viper found in the eastern United States. Micrurus fulvius, the eastern coral snake, a venomous elapid found in the eastern United States. Micrurus tener, the Texas coral snake, a venomous elapid found in the southern United States and northern/central Mexico.