Lasionycta
Aurivillius, 1892
Lasionycta is a of comprising approximately 60 described , with the majority distributed across northern North America and Eurasia. The genus was revised in 2009, resulting in the description of 17 new species and the transfer of several species to the genus Psammopolia. Species within Lasionycta are primarily associated with alpine, subalpine, and . are typically small to -sized noctuid moths with relatively nondescript or gray coloration.
Pronunciation
How to pronounce Lasionycta: //læsiˈɒnɪktə//
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Identification
Lasionycta are distinguished from related by genitalic characters, particularly the structure of the male clasping apparatus and female . The 2009 revision by Crabo and Lafontaine provides comprehensive to all species based on external and . Many species are cryptic in appearance, requiring dissection for reliable identification. The genus is most readily separated from the similar Psammopolia by differences in male genitalia structure and pattern elements.
Images
Habitat
of Lasionycta are predominantly associated with high-elevation and high-latitude environments. Many species inhabit alpine tundra, subalpine meadows, forests, and taiga . The includes species adapted to cold climates, with several known from and subarctic regions. Specific associations vary by species, with some restricted to rocky alpine slopes and others occurring in forested or wetland habitats.
Distribution
The has a Holarctic distribution, with the greatest in North America. Records exist from Alaska, Canada, the western United States, and across northern Eurasia including Scandinavia, Russia, and Siberia. Specific distribution data varies by , with many having restricted ranges in mountainous regions of western North America.
Human Relevance
Lasionycta is of primary interest to and systematists. The 2009 revision in ZooKeys represents a significant contribution to North , providing standardized identification resources. The has no known economic importance.
Similar Taxa
- PsammopoliaFormerly included now transferred to Psammopolia; distinguished by male structure and pattern
- XylenaSimilar ; Lasionycta are generally smaller with different pattern elements
More Details
Taxonomic revision
A comprehensive revision of Lasionycta was published in ZooKeys 30 (December 2009) by Crabo and Lafontaine, covering 43 with descriptions and illustrations of 17 new species.
Species transfers
Lasionycta arietis, L. insolens, L. ochracea, L. sala, and L. wyatti have been transferred to the Psammopolia based on revised morphological analysis.