Birch Aphids
Betulaphis brevipilosa Börner
Callipterinella calliptera (Hartig)
Euceraphis betulae (Koch)
Hemiptera: Drepanosiphidae
- Hajek, A. E.; Dahlsten, D. L. 1988. Distribution and dynamics of aphid (Hemiptera: Drepanosiphidae) populations on Betula pendula in northern California. Hilgardia 56: 1-33. -
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