Table 1.
Substances added to potential breeding habitats in the field experiment to test for oviposition deterrent effects against Ae. j. japonicus.
| Substance | Product (manufacturer) | Concentration |
|---|---|---|
| Bti (Bacillus thuringiensis israelensis) | StechmückenFrei (Neudorff, Emmerthal, Germany) | 1.5 µl l−1 |
| Clove (Eugenia caryophyllata) | Clove stem oil (Dagmar Köhler, Alpen, Germany) | 1 g in 150 ml deionised water |
| Copper band | FloraSelf Kupfer Schneckenband (Hornbach, Bornheim, Germany) | Piece of 3 cm by 3 cm |
| Deionised water | – | Pure |
| Ethanol | Ethanol absolute (Merck, Darmstadt, Germany) | 10% |
| Eucalyptus (Eucalyptus radiata) | Eukalyptusöl radiata (Dagmar Köhler, Alpen, Germany) | 1 g in 150 ml deionised water |
| Japanese beautyberry leaves (Callicarpa japonica) | Dried, grinded leaves collected in Frankfurt am Main, Germany | 1 g l−1 |
| Lavender (Lavandula angustifolia) | Lavendelöl Mont Blanc (Dagmar Köhler) | 1 g in 150 ml deionised water |
| Mint (Mentha arvensis var. javanesa) | Japanisches Heilpflanzenöl (Das gesunde Plus, dm, Karlsruhe, Germany) | 1 g in 150 ml deionised water |
| Pyrethrum (Chrysanthemum sp.) | Pyrethrum extract Pestanal (Sigma-Aldrich, Steinheim, Germany) | 0.1 mg l−1 |
| Soap | Frosch Spülmittel (Werner and Mertz, Mainz, Germany) | 1 g l−1 |
| Tea tree (Melaleuca alternifolia) | Teebaumöl EuAB 5.00 (Dagmar Köhler) | 1 g in 150 ml deionised water |
| Walnut leaves (Juglans regia) | Dried, grinded leaves collected in Biberach (Baden), Germany | 1 g l−1 |
Product usage specifications were followed for Bti. All other products were not intended to be used as mosquitocides in water. Therefore, no usage specifications were followed.