Negalasa
Barnes & McDunnough, 1913
Negalasa is a of in the , containing the single N. fumalis. The genus and its sole species were described together by William Barnes and James Halliday McDunnough in 1913. It is to the southwestern United States, with records from Arizona. The genus belongs to the Chrysauginae, a diverse group within Pyralidae.

Pronunciation
How to pronounce Negalasa: /nɛɡəˈlɑːsə/
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Distribution
Known from the US state of Arizona. The Negalasa fumalis has two recognized : the nominate N. f. fumalis and N. f. rubralis, both described in the original 1913 paper.
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Taxonomic history
Both the Negalasa and its N. fumalis were established in the same publication by Barnes & McDunnough (1913), with two recognized from the outset.
Wingspan
The wingspan of Negalasa fumalis is approximately 19 mm based on original description.