Pterocallis alnifoliae
(Fitch, 1851)
Speckled Alder Aphid
Pterocallis alnifoliae is an in the Aphididae, commonly known as the Speckled Alder Aphid. It is associated with alder trees (Alnus species) as its plant. The species was first described by Fitch in 1851. Like other members of its , it is a small sap-feeding insect that colonizes the leaves of its host.
Pronunciation
How to pronounce Pterocallis alnifoliae: /ˌtɛroʊˈkælɪs ælˈnɪfəˌlaɪ/
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Habitat
Associated with alder trees (Alnus ), particularly speckled alder (Alnus incana subsp. rugosa). Colonizes leaves of plants.
Distribution
North America; distribution corresponds with that of its alder .
Diet
Phloem sap from alder (Alnus) .
Host Associations
- Alnus - plantprimary
- Alnus incana - plantspecifically subsp. rugosa (speckled alder)
Similar Taxa
- Pterocallis alniCongeneric also associated with alder; may require microscopic examination for definitive separation.
More Details
Etymology
The specific epithet 'alnifoliae' refers to its association with alder leaves (Alnus + foliae).