Nasusina vallis
Ferris, 2004
Nasusina vallis is a small geometrid described by Ferris in 2004. It is known from a restricted locality in western Colorado, specifically John Brown Canyon. The inhabits arid canyon terrain and has been documented with forewing lengths of 9–10 mm. are active in mid to late spring.
Pronunciation
How to pronounce Nasusina vallis: /nəˈsuːsɪnə ˈvælɪs/
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Identification
The small forewing length (9–10 mm) distinguishes Nasusina vallis from larger geometrid . It is the only species of Nasusina documented from John Brown Canyon, Colorado, though identification to species level likely requires examination of genitalia or reference to the original description.
Appearance
Small with forewings measuring 9–10 mm in length. Detailed coloration and wing pattern are not documented in available sources.
Habitat
Arid region characterized by mesas and canyons. The specific within John Brown Canyon has not been further characterized.
Distribution
Known only from John Brown Canyon, Colorado, United States. No additional localities have been published.
Seasonality
are probably on wing from mid to late May. The term 'probably' indicates this timing is inferred rather than confirmed by extensive observation.
Similar Taxa
- Other Nasusina speciesOther in the Nasusina occur in western North America but are distinguished by genitalic characters and different geographic distributions; N. vallis is the only species recorded from Colorado.
More Details
Type locality
The is known only from the type locality in John Brown Canyon, Colorado, suggesting it may be a narrow or simply undercollected.
Original description
Described by Clifford D. Ferris in 2004, with the specific epithet 'vallis' (Latin for valley) presumably referring to its canyon .