Heliothela atra is a moth of the family Crambidae. It was described by Arthur Gardiner Butler in 1877. This species is endemic in New Zealand and has been observed in both the North and South Islands. The preferred habitat of this species is dry tussock grasslands and short-sward sites. Adults of this species are on the wing from December until March and are day flying moths known for their rapid flight. This species is said to be associated with Melicytus alpinus.

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