How fortunate you are to have trees that support galls! Galls are home to developing caterpillars, birds feed their babies caterpillars. The galls will not kill your hickory.
Go to the Library and take out Doug Tallamy's Bringing Nature Home and read about how many species of lepidoptera (aka butterflies and moths) various trees support. Oaks are the keystone tree with 534 and hickories up there, too, with 203. Counting lepidoptera is a marker for all the insect life supported by trees. To learn more about how trees support insects which are food for birds (and to be wowed by it all) read and watch Doug Tallamy: his books, including Bringing Nature Home, Nature’s Best Hope, and The Nature of Oaks: The Rich Ecology of Our Most Essential Native Trees; and by videos of his talks, in particular one shown last December to a Lincoln audience by the Lincoln Land Conservation Trust (https://www.youtube.com/watch?v=QdXuNIA_0gc, Tallamy’s talk begins 6 minutes into the video), and another on the themes developed in The Nature of Oaks (https://www.youtube.com/watch?v=QtMWDMc7FWU, Tallamy’s talk begins about 22 minutes into the video). On Sun, May 25, 2025 at 11:34 PM Rich Rosenbaum <[email protected]> wrote: > > Gemini AI suggests: >> >> The image shows a leaf with galls, which are abnormal growths on plants >> often caused by insects. These particular galls are likely caused by >> eriophyid mites and are found on hickory leaves, specifically the shagbark >> hickory (Carya ovata) or pignut hickory (Carya glabra). The mites induce >> the leaf tissue to swell and form these protective structures, where they >> live and feed. The galls appear as small, round, green bumps on the leaf >> surface. >> >> More info: >> >> https://ask.extension.org/kb/faq.php?id=752048 >> >> https://extension.umn.edu/yard-and-garden-insects/insect-and-mite-galls >> >> >> On Sun, May 25, 2025 at 10:34 PM Burch - Mudry Realty Team < >> [email protected]> wrote: >> >>> We just discovered this on two different types of trees in our yard. >>> Any idea of what this is? >>> >>> -- > The LincolnTalk mailing list. > To post, send mail to [email protected]. > Browse the archives at https://pairlist9.pair.net/mailman/private/lincoln/ > . > Change your subscription settings at > https://pairlist9.pair.net/mailman/listinfo/lincoln. > >
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