Comparative efficacy of classical and biorational insecticides on sugar beet weevil, Bothynoderes punctiventris Germar (Coleoptera: Curculionidae)

Abstract

Bažok R., Šatvar M., Radoš I., Drmić Z., Lemić D., Čačija M., Virić Gašparić H. (2016): Comparative efficacy of classical and biorational insecticides on sugar beet weevil, Bothynoderes punctiventris Germar (Coleoptera: Curculionidae). Plant Protect. Sci., 52: 134-141.The contact and ingestion activity and the potential of the insecticide spinosad for the control of sugar beet weevil were evaluated and compared with commercially used insecticides lambda-cyhalothrin and chlorpyriphos + cypermethrin. Results of three laboratory trials proved very good efficacy of spinosad applied at the dose of 72 g a.i./ha. Its efficacy was similar to chlorpyriphos + cypermethrin and significantly higher than that of lambda-cyhalothrin. Due to its favourable eco-toxicological properties and good ingestion activity, spinosad is a good candidate to be introduced in the integrated pest management strategy against beet weevil.

Efficacy of agrochemicals against Phyllobius oblongus

“…Spinosad (SpinTor ® ) had poor efficacy upon contact with the dried residue (10% after 24 h), the highest efficacy occurred 72 h after direct contact (85 %), and after ingestion (85%). Bažok et al (2016) achieved the highest effectivity of a spinosad by ingestion (36.36%) and ingestion combined with direct contact (45.45%) on the sugar beet weevil, Bothynoderes punctiventris (Germar, 1824) (Coleoptera: Curculionidae) and 100% mortality after 24 h (direct spraying) was observed via contact with SpinTor ® residues on Phyllobius oblongus (Skalský et al 2015).…”

Area‐wide mass trapping by pheromone‐based attractants for the control of sugar beet weevil (Bothynoderes punctiventris Germar, Coleoptera: Curculionidae)

“…However, due to the situation with pesticide legislation in the EU, we tried to find additional solutions to be used in AW control. The EU intends to limit the use of all insecticides currently allowed for SBW control in the future . Inđić et al .…”

“…The EU intends to limit the use of all insecticides currently allowed for SBW control in the future. 54 Indić et al 55 state that chemical control of this pest is the main way to control SBW and probably will be the same in the near future, but they also note that the economically rational measures of pest control including agrotechnical, mechanical and biological measures should be further explored and developed. This is the first study to implement an AW program for SBW by mass trapping.…”

Physiological Studies of Some Insecticides on Spodoptera littoralis Larvae

“…In addition, the efficiency of sub-lethal effect of some neonicotinoids and synthetic pyrethroids against cutworm was discussed by (Joshi, et al, 2020). Bažok et al, (2016) the mixture of chlorpyriphos and cypermethrin had significant improved than lambda-cyhalothrin expressed very low efficiency against sugar beet weevil. striped stem borer.…”