Pleromella
Dyar, 1921
Species Guides
1Pleromella is a in the Noctuidae, established by Harrison Gray Dyar Jr. in 1921. It contains a single , Pleromella opter, known from western North America. The genus belongs to the Noctuinae, one of the largest lineages within the owlet moths.

Pronunciation
How to pronounce Pleromella: /plɛ.roˈmɛl.la/
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Identification
As a , Pleromella is currently defined solely by its type Pleromella opter. Generic-level identification requires reference to the original description by Dyar (1921) and comparison with related noctuine genera. No external morphological characters distinguishing Pleromella from other Noctuinae have been summarized in accessible literature.
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Distribution
Western North America: southern Oregon, California, and Baja California.
More Details
Taxonomic history
Both and were described simultaneously by Harrison Gray Dyar Jr. in 1921. The genus has remained for over a century, with no additional species described.
Research status
Despite 126 iNaturalist observations, published biological data for Pleromella opter appear sparse. Most records likely derive from incidental collection rather than targeted study.