Spirotetramat is an insecticide.1 It is active against C. pyri nymphs in vitro (LC50 = 6.51-12.53 mg AI/L) and induces mortality of C. pyri nymphs in European pear (P. communis) fields by 99.2% 15 days after application at a concentration of 27 g/hectare. Spirotetramat also reduces O. insidiosus embryonic viability and nymph survival.2 It exhibits aquatic toxicity, increasing expression of glutathione peroxidase (Gpx) and superoxide dismutase (SOD), decreasing production of malondialdehyde (MDA), and inducing lethality in Chinese toad (B. gargarizans) tadpoles (LC50 = 6.98 mg/L).3
1.Civolani, S., Boselli, M., Butturini, A., et al.Testing spirotetramat as an alternative solution to abamectin for Cacopsylla pyri (Hemiptera: Psyllidae) control: Laboratory and field testsJ. Econ. Entomol.108(6)2737-2742(2015) 2.Moscardini, V.F., da Costa Gontijo, P., Carvalho, G.A., et al.Toxicity and sublethal effects of seven insecticides to eggs of the flower bug Orius insidiosus (Say) (Hemiptera: Anthocoridae)Chemosphere92(5)490-496(2013) 3.Yin, X., Jiang, S., Yu, J., et al.Effects of spirotetramat on the acute toxicity, oxidative stress, and lipid peroxidation in Chinese toad (Bufo bufo gargarizans) tadpolesEnviron. Toxicol. Pharmacol.37(3)1229-1235(2014)