ADVERTISEMENT

Image 2

On the Lookout: Asian citrus psyllids sit at a 45-degree angle (1). Psyllid nymphs excrete honeydew (2). A salivary toxin that even healthy psyllids emit can deform leaves (3). Trees at a field-test site grow inside protective psyllid-proof screens (4).

THIS IS A PREVIEW. or subscribe to access the full article.



Grant Delin

the-end-of-orange-juice_2.jpg

THIS IS A PREVIEW. or subscribe to access the full article.
Share this Article:

Comments

You must sign in or register as a ScientificAmerican.com member to submit a comment.

Email this Article

X