Essays about: "Dance fly"

Found 3 essays containing the words Dance fly.

  1. 1. Differences in velocity between the sexes and stages of courtship in a dance fly

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Filip Myllyaho; [2022-02-17]
    Keywords : Dansfluga; Hilara maura; höghastighetskamera; partner-val; Dance fly; Hilara maura; high-speed camera; mate choice;

    Abstract : Dance flies (Diptera: Empididae: Empidinae) are famous for their elaborate mating behaviour, which can be broken down to three distinct stages in adults: hunting, swarming, and mating. In many species, males hunt for prey that they present as nuptial gifts to recipient females in swarms, after which the pair will copulate in the air or after landing on nearby vegetation. READ MORE

  2. 2. Do Trichoptera in running water fly upstream?

    University essay from Linköpings universitet/BiologiLinköpings universitet/Tekniska fakulteten

    Author : Malin Larsson; [2015]
    Keywords : Trichoptera; drift; colonisation cycle; upstream flight;

    Abstract : Drift moves aquatic insects downstream, risking depopulation of upstream reaches. However, the necessity and exist­ence of an upstream flight to compensate for drift has not been undisputed. I analysed a sample of approximately 70 000 Trichoptera from a stream in northern Sweden collected during one season in 1974. READ MORE

  3. 3. Do Trichoptera in running water fly upstream?

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Malin Larsson; [2015]
    Keywords : Trichoptera; drift; colonisation cycle; upstream flight;

    Abstract : Drift moves aquatic insects downstream, risking depopulation of upstream reaches. However, the necessity and exist-ence of an upstream flight to compensate for drift has not been undisputed. I analysed a sample of approximately 70000 Trichoptera from a stream in northern Sweden collected during one season in 1974. READ MORE