Insara
Walker, 1869
western bush katydids
Insara is a of commonly known as western bush katydids, established by Walker in 1869. The genus belongs to the tribe Insarini within the Phaneropterinae of . in this genus are found primarily in western North America and Mexico, with at least 20 described species recognized. The genus is notable as a for predatory , particularly Sphex lucae, which paralyzes species such as Insara elegans (elegant bush katydid) to provision its nests.
Pronunciation
How to pronounce Insara: /ɪnˈsɑːrə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
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Habitat
Arid and semi-arid western landscapes including desert scrub, chaparral, and dry woodlands. are associated with specific plants: Insara covilleae with creosote bush (Larrea tridentata), Insara juniperi with juniper, and Insara elegans with various desert shrubs.
Distribution
Western North America from southern British Columbia through California, east to Arizona, Colorado, and Oklahoma, extending south through Mexico. GBIF records also indicate presence in Brazil and Colombia, though these may represent data errors or .
Seasonality
active primarily in spring through early summer, with activity timing varying by and locality. Insara elegans has been observed at lights in late May in Arizona.
Diet
Herbivorous, feeding on foliage of shrubs and trees.
Host Associations
- Larrea tridentata - creosote bush (Insara covilleae)
- Juniperus - juniper bush (Insara juniperi)
- Various desert shrubs - elegant bush (Insara elegans)
Life Cycle
development with , , and stages. Females eggs in tissue or soil. Nymphs resemble adults but lack fully developed .
Behavior
, attracted to ultraviolet and mercury-vapor lights. Males produce stridulatory songs for mate attraction. When captured by Sphex lucae , females may have their amputated before being paralyzed and dragged to wasp burrows.
Ecological Role
in desert and semi-arid . Serve as significant for , particularly Sphex lucae, which specializes on including Insara elegans.
Similar Taxa
- Other Phaneropterinae generaSimilar general body plan and preferences; distinguished by genitalic and song characteristics requiring expert examination
More Details
Predator-prey relationship
Insara elegans is a documented item of Sphex lucae, a widespread western . The wasp paralyzes the and provisions its subterranean nest with the immobilized prey, on which a single wasp feeds.
Taxonomic note
Wikipedia states approximately 6 described , but the Catalogue of Life and other sources recognize at least 20 species, indicating ongoing taxonomic work or conflicting treatments of the .