Browsing by Author "Bergmann, Jan"
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- ItemChrysanthemyl 2-acetoxy-3-methylbutanoate: the sex pheromone of the citrophilous mealybug, Pseudococcus calceolariae(PERGAMON-ELSEVIER SCIENCE LTD, 2010) El Sayed, Ashraf M.; Unelius, C. Rikard; Twidle, Andrew; Mitchell, Vanessa; Manning, Lee Anne; Cole, Lyn; Suckling, David M.; Fernanda Flores, M.; Zaviezo, Tania; Bergmann, JanHeadspace volatiles collected from virgin females of the citrophilous mealybug, Pseudococcus calceolariae, contain three Compounds not present in the headspace of control samples. The main female-specific compound is identified as[2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropyl]methyl 2-acetoxy-3-methylbutanoate (chrysanthemyl 2-acetoxy-3-methylbutanoate). The other two compounds are identified as [2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropyl]methanol (chrysanthemol) and [2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropyl]methyl 2-hydroxy-3-methylbutanoate (chrysanthemyl 2-hydroxy-3-methylbutanoate). Traps baited with 100 mu g and 1000 mu g of chrysanthemyl 2-acetoxy-3-methylbutanoate captured 4- and 20-fold more males than traps baited with virgin females. (C) 2009 Elsevier Ltd. All rights reserved.
- ItemInfluence of different plants substrates on development and reproduction for laboratory rearing of Pseudococcus calceolariae (Maskell) (Hemiptera: Pseudococcidae).(2010) Zaviezo, Tania; Cadena, Elizabeth; Flores, M. Fernanda; Bergmann, Jan
- ItemSearching behavior of cryptolaemus montrouzieri (coleoptera: Coccinellidae) in response to mealybug sex pheromones(2018) Urbina, Alvaro; Verdugo, Jaime A.; López, Eugenio; Bergmann, Jan; Zaviezo Palacios, Tania; Flores, María Fernanda