Adults of Theda betulac mainly live on honey-dew of greenflies in tree-tops, according to the Atlas of Dutch Butterflies. An amateur has observed, however, that this butterfly also feeds on nectar of wild plants.
| Aanvullende gegevens | |
|---|---|
| Vlinders | |
| Organisatie | De Vlinderstichting |
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Dirk Prins. (1991). Sleedoornpage is bloembezoeker. Vlinders, 6(1), 24–24. |
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