Which stage of Euonymus scale causes plant damage?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Study for the Maryland Pesticide Applicator Category 3 test. Prepare with flashcards and multiple-choice questions, complete with hints and explanations. Get exam-ready now!

Multiple Choice

Which stage of Euonymus scale causes plant damage?

Explanation:
The key idea is that plant damage from scale insects happens during feeding. For Euonymus scale, the main damage comes from sap sucking by the adult females, who remain attached under their protective covers, and by the mobile crawlers as they settle and start feeding. Eggs inside bark don’t feed the plant, and pupae on roots aren’t the feeding stage for this pest. So the stage that causes the damage is the feeding of females under their covers and the feeding of crawlers.

The key idea is that plant damage from scale insects happens during feeding. For Euonymus scale, the main damage comes from sap sucking by the adult females, who remain attached under their protective covers, and by the mobile crawlers as they settle and start feeding. Eggs inside bark don’t feed the plant, and pupae on roots aren’t the feeding stage for this pest. So the stage that causes the damage is the feeding of females under their covers and the feeding of crawlers.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy