Macrosiphum walkeri

Macrosiphum walkeri
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Suborder: Sternorrhyncha
Family: Aphididae
Genus: Macrosiphum
Species:
M. walkeri
Binomial name
Macrosiphum walkeri
Robinson, 1980

Macrosiphum walkeri is a yellow, green, pink or red colored aphid in the genus Macrosiphum that is endemic to the Western United States.[1][2][3]

The main two host plants of this aphid are the various species of west coast ferns, with a preference for the western sword fern and oceanspray. The species is known to switch between food plants.[1][4]

The first georeferenced records with photos on the internet were taken by the user sageost via iNaturalist.[5][6]

The Global Biodiversity Information Facility includes multiple dead specimens plus sageost's contributions that are georeferenced.[7]

References

  1. ^ a b "Macrosiphum walkeri (Oceanspray-fern aphid) identification, images, ecology, control". influentialpoints.com. Retrieved 16 December 2025.
  2. ^ "Ocean Spray-Fern Aphid Macrosiphum walkeri". Wild Columbia County. 31 October 2021. Retrieved 16 December 2025.
  3. ^ "species Macrosiphum (Macrosiphum) walkeri (Robinson, 1980): Aphid Species File". aphid.archive.speciesfile.org. Retrieved 16 December 2025.
  4. ^ "Macrosiphum". AphidTrek. Retrieved 16 December 2025.
  5. ^ "Oceanspray-Fern Aphid (Macrosiphum walkeri)". iNaturalist. Retrieved 16 December 2025.
  6. ^ "Search occurrences Macrosiphum_walkeri". Retrieved 18 December 2025.
  7. ^ "GBIF- Macrosiphum walkeri". GBIF. Retrieved 17 December 2025.