Galls.(growths on plants where insects live)

From: Ranger Rick | Date: September 1, 1994| Author: | Copyright information

Look Who Dunnit

Look Who Dunnit Growing a gall isn't the plant's idea. Galls usually start with a female fly, wasp, midge, or other insect. The insect lays her eggs on - or in - a plant. After an egg hatches, the young insect puts special chemicals into the plant - at a place where the plant is growing. The special chemicals make the plant grow around the insect. Like a gingerbread house, the plant gives the growing insect a place to live in and eat at the same time!

Not all galls are started by insects. Some are caused by mites (cousins of spiders) or nematodes (tiny ...

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