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LA CES CEU – Ulmus americana: Saving an American Icon – 3.9.22

Successfully complete the following quiz to qualify for 1 LA CES continuing education credit. A passing grade requires 8 correct answers.

CEU LA CES Webinar 3.9.22 - Ulmus americana

1. Chemicals used by insects to communicate with each other are called:
2. Chemical signals produced by insects carry specific information about:
3. Dutch elm disease is easily transmitted by air.
4. The European elm bark beetle is a solitary insect that loves dead, dying elm trees.
5. Dutch elm disease was first discovered in the United States of America in Ohio in 1930.
6. The discovery of the European elm bark beetle in the United States of America was in
7. Trees that experience a stress event produce volatiles.
8. The American elm tree has great genetic potential and this potential is influenced by its environment.
9. The American elm tree is an excellent utility tree and can be planted in the toughest city environments.
10. Historically the European elm bark beetle is known to primarily transmit Dutch elm disease by twig feeding.