The pecan ( " Carya illinoensis " ) is Texas'state tree, but it's best planted at the back of the yard because the nuts and twigs it sheds can be messy, he said.
3.
Colonies of " C . formosanus " feeding on pecan, " Carya illinoensis " and American ash " Fraxinus americana " had significantly greater survival than progeny of colonies feeding on other wood species.
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