Callophrys gryneus siva
(W.H. Edwards, 1874)
Siva Juniper Hairstreak
Callophrys gryneus siva is a of juniper hairstreak in the Lycaenidae, native to western North America. It is one of multiple named subspecies within the polytypic C. gryneus, a group whose taxonomic boundaries have been debated based on mitochondrial barcode analysis. The subspecies is associated with juniper plants in arid and semi-arid .
Pronunciation
How to pronounce Callophrys gryneus siva: /ˈkæ.loʊ.frɪs ˈɡraɪni.əs ˈsiː.və/
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Habitat
Associated with juniper woodlands and chaparral in arid to semi-arid regions of western North America. Occurs in pinyon-juniper woodland and related with juniper .
Distribution
Western North America; range includes southwestern United States. Specific distribution boundaries relative to other C. gryneus remain subject to taxonomic investigation.
Host Associations
- Juniperus - larval Larvae feed on juniper , consistent with other C. gryneus
Similar Taxa
- Callophrys gryneus nelsoniAnother western of C. gryneus; barcode studies suggest comparable genetic divergence that could support -level elevation under alternative taxonomic interpretations
- Callophrys gryneus castalisWestern with similar barcode divergence patterns; part of the same subspecies controversy regarding boundaries
- Callophrys muiriRelated California whose specific status has also been questioned based on barcode data comparison with C. gryneus
More Details
Taxonomic controversy
The status of C. g. siva has been debated. barcode analysis shows genetic divergences comparable to those found between recognized in related lycaenid , raising questions about whether this and other western subspecies (C. g. nelsoni, C. g. castalis) warrant elevation to full species. Current consensus treats C. gryneus as a single polytypic species with 11 nominal subspecies, but alternative taxonomies recognize three separate species including C. siva.
Barcode limitations
While mitochondrial COI barcodes provide evidence for genetic structure among C. gryneus , the study authors note that barcode divergence patterns alone do not cleanly resolve the versus question, as comparable divergences are seen both among accepted subspecies and among recognized species in related .