Article Figures & Data
Figures
- Fig. 1.
This is a closeup view of bead galls, sparsely covered with trichomes, as found on elm leaves.
- Fig. 2.
Bladder galls on a silver maple leaf. This is one of the most commonly noticed galls in Ohio and the same mite causes smaller eruptions on red maple. Center: Bead galls covered with fuzzy trichomes on pussy willow leaf. Right: Elongate finger galls on wild black cherry leaf are common in Ohio.
- Fig. 3.
Left: Patches of yellow, glassy erineum on lower surface of beech leaves show through to the upper surface. Right: Sharply pointed finger galls on leaves of sugar maple. This same gall is found on leaves of black maple.
- Fig. 4.
Wart-like swelling from the under side, filled with felt-like masses of trichomes, on leaves of boxelder. Center: Irregular masses of green tissue formed on the stems of male white ashflowers. Right: Edge rolling on black gum gives a holly leaf effect.
- Fig. 5.
Left: Proliferation of buds on hackberry causes the “witches broom” effect shown here. Right: Even poison ivy has galls. These irregular green or red bladder galls are common on poison ivy leaves.
- Fig. 6.
These are bead galls, found on both surfaces of peachleaf willow.
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