Lygropia octonalis

Eight-barred Lygropia Moth

Family: Crambidae · Class: Insecta · Order: Lepidoptera

The Eight-barred Lygropia Moth is a small crambid snout moth in the family Crambidae. Originally described by Zeller in 1873, this species is also known by the scientific name Conchylodes octonalis, which appears to be a taxonomic synonym. The moth's common name refers to the distinctive barred pattern on its wings, though detailed morphological descriptions are limited in the scientific literature. The Eight-barred Lygropia Moth has a broad distribution across North America, ranging from the southwestern United States to Texas. In California, the species has been recorded from central and southern regions, with documented occurrences in San Diego County. The species' range extends eastward through Nevada, New Mexico, Oklahoma, and Tennessee, and northward to Iowa and Mississippi, indicating considerable geographic adaptability. This moth inhabits low-elevation arid areas throughout its range. The species appears well-adapted to the dry conditions characteristic of southwestern North American ecosystems. In California, it occurs in the arid and semi-arid regions typical of the state's southern counties, where it can be found in desert scrub and chaparral habitats at relatively low elevations. As a member of the Crambidae family, the Eight-barred Lygropia Moth shares the typical snout moth characteristics, including prominent labial palps that project forward from the head. Like other crambid moths, adults are likely attracted to lights during their nocturnal activity periods. The species' ecology and life history remain poorly documented in the scientific literature. Specific information about larval host plants, feeding behavior, reproductive cycles, and seasonal activity patterns has not been well established through published research. The larval stage presumably feeds on herbaceous plants, as is typical for most Crambidae, but specific host plant relationships have not been documented for this species. Adult flight periods and the number of generations per year remain unknown, though the species' presence across such a broad geographic range suggests it may have multiple generations annually in warmer regions. The Eight-barred Lygropia Moth currently has no federal or state conservation listing status and appears to maintain stable populations across its range. The species is regularly encountered by collectors and naturalists throughout its distribution, with verified sighting records documented in citizen science databases. Its broad geographic range and apparent habitat flexibility suggest the species is not currently at conservation risk. Scientific documentation for this species remains limited despite its wide distribution. The information presented here is based on available sources including taxonomic databases, regional species checklists, and citizen science observations. If you have additional verified information about this species' biology, distribution, or ecology, please contact us to help improve this species account.

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, and more.