Desmocerus californicus, the California elderberry borer, is a species of the Lepturinae subfamily in the family of long-horned beetles.BioLib Taxon profile — species Desmocerus californicus Horn, 1881 This species is endemic to the United States. The adult beetle feeds on the pollen of Sambucus species.
Subspecies Desmocerus californicus californicus Horn, 1881 Desmocerus californicus dimorphus Fisher, 1921
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