Abstract
Abstract. 1. In a low‐speed wind tunnel, male as well as female moths of Hadena bicruris responded to floral odours with positive anemotaxis. Hitherto, such orientation has only been demonstrated for male moths in response to pheromones.2. H.bicruris had a maximum flight speed of 4.5–5.4ms‐1 and stopped its flower visiting at a wind speed of 2.5–2.8 m s‐1.3. Deilephila elpenor had a similar maximum flight speed (4.5— 5.1 ms‐1), but it continued visiting flowers up to wind speeds of 3.0–5.0 ms‐1.4. Apart from mechanical resistance during flight and flower visits, wind might have adverse effects on the energy budget and on evaporative water loss.
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