''Lochmaeus manteo'', the variable oakleaf caterpillar moth, is a moth of the family Notodontidae. It is found in eastern North America.
The wingspan is 37–50 mm. Adults are on wing from April to October.
The larvae feed on various deciduous trees, especially ''Quercus'' species. The larva can spray formic acid which is reported to cause blisters or severely irritate human skin.