Leafminer Quiz Leafminer Leafminer Quiz Name(Required) First Last Email(Required) Enter Email Confirm Email 1. Damage to the plant is done by(Required) a. leafminer adults b. leafminer larvae 2. Leafminers feed(Required) a. between the upper and lower surfaces of leaves b. under the epidermis of stems or leaf petioles both a and b 3. Mines always appear as serpentine (winding) trails(Required) True False 4. There are several orders of insects that have developed the leaf mining lifestyle.(Required) True False 5. Which statement is false?(Required) a. Scouting for damage is most critical for leafminers with multiple generations. b. Occasionally plants become heavily infested, but the plants generally recover. c. To monitor, watch for the occurrence of the first mines early in the spring as the leaves unfold. d. Leafminers are usually controlled by parasitoids. All of the above None of the above 6. Damage from leafminers ranges from minor cosmetic damage to total defoliation.(Required) True False 7. Columbine, holly, and boxwood leafminers are a type of(Required) beetle or weevil leaf miner fly leaf miner moth leafminer sawfly leafminer 8. Elm, birch, and alder leafminers are a type of(Required) a. beetle or weevil leafminer b. fly leafminer c. moth leafminer d. sawfly leafminer 9. The type of leafminer commonly found on madrona is(Required) a. beetle or weevil leafminer b. fly leafminer c. moth leafminer d. sawfly leafminer 10. Which statement is false?(Required) a. Low numbers of leafminers provide food for the parasitoids that, in turn, keep number of mines low. b. Leafminers thrive when plants are stressed. c. Healthy plants seldom recover from heavy defoliation. d. Cultural control includes removing mined leaves or squishing the larvae within the mines.