Experimental setup for the direct spray application of MB solutions onto the whitefly-infested tomato leaves.

(A) Adults of Bemisia tabaci (less than 5 days old) from the rearing colony were collected in a group and placed on ice; (B) Batches of 25 cold-immobilized adults were placed on test leaves in breeding cups; (C) MB solutions were sprayed onto each leaf using a glass spray bottle.