Datana ministra, the yellownecked caterpillar, is a moth of the family Notodontidae.

It is found in southern Canada and the United States east of the Rocky Mountains, in the south-west it ranges to California.

[2] The wingspan is about 42 mm.

The larvae feed on Malus, Quercus, Betula and Salix species.

This article on a moth of the family Notodontidae is a stub.