Betulaphis
Glendenning, 1926
Betulaphis is a of aphids in the Aphididae, established by Glendenning in 1926. The genus comprises at least seven recognized , with Betulaphis quadrituberculata being the most studied. Members of this genus are specialized feeders on birch trees (Betula species) and exhibit a . The genus is distributed across North America and Europe.
Pronunciation
How to pronounce Betulaphis: /bɛˈtulæˌfɪs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images
Habitat
Associated with birch trees (Betula ), specifically feeding on leaves. Species have been recorded on Betula papyrifera and Betula alleghaniensis.
Distribution
North America and Europe. GBIF records indicate presence in Denmark (DK), Norway (NO), and Sweden (SE). Betulaphis quadrituberculata has been specifically documented in New Brunswick, Canada.
Diet
Phloem feeding on birch leaves. The is specialized on Betula plants.
Host Associations
- Betula papyrifera - Paper birch; documented in New Brunswick
- Betula alleghaniensis - Yellow birch; documented in New Brunswick
- Betula - -level association for the genus Betulaphis
Life Cycle
Betulaphis quadrituberculata exhibits an holocycle comprising up to 10 . The cycle includes a sexual phase that produces . Seasonal occurs in the size and color of viviparae. Stem-mothers (fundatrices) are responsible for spring by .
Behavior
Stem-mothers disperse primarily by activity in spring. Succeeding are almost entirely (wingless) and sedentary in habit. The insects are inconspicuous leaf-feeders.
More Details
Species Diversity
The includes seven recognized : Betulaphis quadrituberculata (Kaltenbach, 1843), B. brevipilosa Börner, 1940, B. hissarica Narzikulov, 1963, B. pelei Hille Ris Lambers, 1952, B. longicornis Quednau & Samiran Chakrabarti, 1980, B. kozlovi Wegierek, 2019, and an undescribed species represented by BOLD:AAI4153.
Life Cycle Notes
Detailed information is available primarily for B. quadrituberculata; characteristics of other in the are not well documented in the provided sources.