Spider mite webbing. Part IV: The effect of acaricides on spinning by the carmine spider mite Tetranychus cinnabarinus (boisduval)

Uri Gerson*, Arieh Aronowitz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Cyhexatin, dienochlor and four experimental acaricides, U‐25322 (1‐benzoyl‐3‐phenylhydrazine), U‐27415 1‐benzoyl‐3‐(2, 4, 6‐trichlorophenyl)hydrazine, U‐42558 [N1(4‐chloro‐o‐tolyl) N2‐methyl‐N1‐(phenylthio)formamidine], and U‐42564 [N2‐methyl‐N1‐(phenylthio)‐ N1‐(2, 4‐xylyl)formamidine], at 125 mg litre‐1, induced spindown by the carmine spider mite, Tetranychus cinnabarinus (Boisduval). Cyhexatin caused the largest number of mites to spin‐down, dienochlor the least. Spinning occurred only during the first 6 h after treatment. Mites spun the same average length of threads in response to all compounds. The pattern of spin‐down was even and similar for all the compounds except dienochlor for which it was sporadic. Acaricide‐induced spin‐down is postulated to be an ‘all‐or‐nothing’ reaction.

Original languageEnglish
Pages (from-to)211-214
Number of pages4
JournalPesticide Science
Volume12
Issue number2
DOIs
StatePublished - Apr 1981

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