species 115 observations
California Elderberry Borer
Desmocerus californicus
Field notes
Desmocerus californicus, the California elderberry borer, is a species of the Lepturinae subfamily in the family of long-horned beetles. This species is endemic to the United States. The adult beetle feeds on the pollen of Sambucus species.
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native plants
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Range
Greener is more native, amber more introduced; paler is less certain. How this was decided