Metanema inatomaria

Pale Metanema

Family: Geometridae · Class: Insecta · Order: Lepidoptera

The Pale Metanema is a geometrid moth belonging to the family Geometridae. Adults are characterized by pale coloration, consistent with the species' common name, though detailed morphological descriptions remain limited in the scientific literature. This species occurs in western North America, with documented records from several western states. In Colorado, Metanema inatomaria has been collected at elevations ranging from approximately 4,650 to 10,800 feet, indicating considerable altitudinal tolerance (News of the Lepidopterists' Society 2013). Specimens have been recorded from multiple Colorado counties including Douglas, Weld, Clear Creek, and Lake counties. The species appears to have a broader western distribution, with historical records suggesting occurrence in California and other western states. Habitat preferences for Metanema inatomaria encompass a range of montane environments. Colorado records span from lower elevation sites around Roggen at 4,650-4,680 feet to high-elevation locations such as Loveland Ski Area at 10,800 feet elevation (News of the Lepidopterists' Society 2013). This broad elevational range suggests the species occupies diverse habitat types from foothills to subalpine zones. The moth has been collected at locations including campgrounds, ski areas, and various montane sites, indicating adaptation to both natural and semi-developed environments. Adult flight period data from Colorado indicates activity during mid to late summer months. Collection records show adults active from late July through early August, with specific dates including July 23, 24, 25, 26, and 28 (News of the Lepidopterists' Society 2013). Moths are attracted to ultraviolet lights and mercury vapor traps, typical behavior for nocturnal geometrids. Specific host plants, larval ecology, and detailed life history information have not been well documented in available literature. The conservation status of Metanema inatomaria has not been formally assessed by federal or state agencies. The species lacks federal listing status and does not appear on California or other state special concern lists. Population trends and specific threats remain undocumented, reflecting the limited research attention given to many geometrid moth species. The broad elevational range observed in Colorado suggests some ecological flexibility, though climate change impacts on montane habitats could potentially affect populations. Current knowledge of this species relies primarily on collection records and brief mentions in lepidopteran surveys. The U.S. Fish and Wildlife Service maintains a species profile for Metanema inatomaria, though detailed biological information remains sparse. Systematic study of this species' ecology, distribution patterns, and conservation needs would benefit from targeted research efforts. As with many lesser-known moth species, citizen science contributions and photographic documentation could help expand understanding of distribution and habitat associations.

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