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Evaluation of chemical attractants on Frankliniella intonsa (Thysanoptera: Thripididae)
Frankliniella intonsa (Trybom) (Thysanoptera: Thripididae) is an important pest of field and greenhouse crops such as pepper and strawberry. Chemical attractants are commonly used for monitoring thrips, but few are available for F. intonsa. Thus, we evaluated three attractants of Frankliniella occidentalis known from literatures for their attraction of F. intonsa in Y-tube olfactometer. Fed unmated adult females of F. intonsa showed higher initial response to (S)-(−)-verbenone than other attractants, i.e. aggregation pheromone of F. occidentalis and methyl isonicotinate. Unfed mated adult females of F. intonsa showed similar initial response. These results suggest that (S)-(−)-verbenone also can be used for monitoring and further in behavioral control tactics of F. intonsa.
