Macrosiphum californicum
(Clarke, 1903)
California Willow Aphid
Macrosiphum californicum is a of in the Aphididae. Commonly known as the California Willow Aphid, this species belongs to the Macrosiphum, which contains many economically significant plant-feeding aphids. The species was described by Clarke in 1903. As with other aphids in this genus, it possesses adapted for feeding on plant phloem.

Pronunciation
How to pronounce Macrosiphum californicum: /ˈmækroʊˌsaɪfəm ˌkælɪˈfɔrnɪˌkʌm/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images
Distribution
Known from California, USA, based on the epithet and type locality. GBIF records and iNaturalist observations suggest presence in western North America.
Sources and further reading
- BugGuide
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
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