Infochemicals for the Management of Thysanoptera

Publication Type

Journal Article

Journal Name

Indian Journal of Entomology

Publication Date

12-1-2025

Abstract

Infochemicals, classified as pheromone, kairomone, allomone, synomone and apneumone, play significant role in insect communication. Unlike Lepidoptera, Thysanoptera utilize male produced aggregation pheromone for their communication. Neryl (S)-2-methybutanoate, (R) lavandulyl acetate, (+) R-lavandulyl 3 methyl-butenoate, dodecyl acetate and tetradecyl acetate are the compounds identified as aggregation pheromones for several species. Pheromone lures placed in blue or yellow or white sticky traps are effective in capturing adults of Frankliniella, Thrips, Megalurothips and Odonothrips. Decyl acetate and dodecyl acetate along with other volatile chemicals have been identified as alarm pheromones for many Thysanoptera. Push-Pull technology using alarm pheromone and aggregation pheromone or kairomones with repellent activity and pheromone or kairomone with attractant activity has shown promise in the management of Thysanoptera. Kairomones, mostly plant volatiles attract or repel or exite the Thysanoptera. Most common kairomones are P-anisaldehyde and methyl isonicotinate which are multispecies attractants and commercial formulations such as “Lurem TR” are used as an IPM tool in the management of Thysanoptera. Volatiles determined from either cultivars resistant to attack by Thysanoptera or non-host plants, e.g., methyl salicylate and α-pinene are considered potential repellents. Herbivore-induced plant volatiles (HIPV) or pathogen induced plant volatiles (PIPV) attract certain Terebrantia. Prospects of using these volatiles either as attractants or repellents for the nuisance species of Thysanoptera are outlined.

Keywords

aggregation pheromone, alarm pheromone, Attractant, herbivore induced plant volatiles, kairomone, pathogen induced plant volatiles, repellent and thrips

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