Latest Resistance management for sustainable agriculture and improved public health

Onion Thrips

Thrips tabaci

Besides onion and tobacco it attacks, among others: beans, broccoli, cabbage, carrot, cauliflower, cotton, cucumber, garlic, grapevine, leek, lucerne, melon, papaya, peach, peas, pineapple, potato, red beet, squash, tomato, turnip and many ornamental plants.

Thrips tabaci is assumed to be of Mediterranean origin, but is nowadays found worldwide.

It reproduces entirely parthenogenetically; males are very rare. The female lays about 30-80 whitish eggs into small gashes in plant tissue that it has cut with its ovipositor. The whole generation cycle can be completed in 12 days in warm climates and there are usually three to five generations per year.
In some vegetables, the lesions will lead to cell proliferation and suberisation. Lasting infestations will cause leaves to curl, turn brown and drop. Shoots may be stunted, especially in young plants.

Key onion thrips resources


Title Year Author(s) Publisher
Incidence and characterization of resistance to pyrethroid and organophosphorus insecticides in Thrips tabaci (Thysanoptera: Thripidae) in onion fields in Isfahan, Iran Vol. 129, pp. 28-35. DOI: 10.1016/j.pestbp.2015.10.013 2016 Nazemi A, Khajehali J, Van Leeuwen T Pesticide Biochemistry and Physiology
Identification of an alternative knockdown resistance (kdr)-like mutation, M918L, and a novel mutation, V1010A, in the Thrips tabaci voltage-gated sodium channel gene Vol. 70 (6), pp. 977-981. DOI: 10.1002/ps.3638 2013 Wu M, Gotoh H, Waters T, Walsh DB, Lavine LC Pest Management Science
Identification of Three Point Mutations on the Sodium Channel Gene in Pyrethroid-Resistant Thrips tabaci (Thysanoptera: Thripidae) Vol. 102 (6), pp. 2296-2300. DOI: 10.1603/029.102.0635 2009 Toda S, Morishita M Journal of Economic Entomology

The information provided is based on literature reviews and as such IRAC cannot guarantee or be held accountable for the accuracy of the reports.

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