Overview

Distribution

Global Range: (20,000-200,000 square km (about 8000-80,000 square miles)) The species is found throughout California's Central Valley and coastal range (Halstead and Oldham 2000, Bezark 2005).

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endemic to a single nation

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National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Ecology

Population Biology

Number of Occurrences

Note: For many non-migratory species, occurrences are roughly equivalent to populations.

Estimated Number of Occurrences: 21 - 300

Comments: There cannot be fewer for the species than for the well-studied subspecies D. c. dimorphus, which seems to be on the order of 20 or slightly fewer.. Subspecies D. c. californicus has generally been considered to be less rare, but has not been as carefully documented.

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Conservation

Conservation Status

NatureServe Conservation Status

Rounded Global Status Rank: G3 - Vulnerable

Reasons: With the better studied, and supposedly rarer, of the two subspecies ranked T2T3 the full species cannot be rarer than G3 if that is close to the correct rank for the subspecies. G3 has been the rank for the full species for many years, but needs to be re-evaluated.

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National NatureServe Conservation Status

United States

Rounded National Status Rank: N3 - Vulnerable

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Wikipedia

Desmocerus californicus

Desmocerus californicus is the species of the Lepturinae subfamily in long-horned beetle family.[1] This species is distributed in United States. The adult beetle feeds on the pollen of Sambucus species.[1]

Subspecies

References

  1. ^ a b c d BioLib Taxon profile — species Desmocerus californicus Horn, 1881


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