Essays about: "Diptera"

Showing result 1 - 5 of 14 essays containing the word Diptera.

  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. Insektsamhällen i restaurerade skogar : en studie på hur abundansen av insektordningarna skalbaggar (Coleoptera), tvåvingar (Diptera), steklar (Hymenoptera) och fjärilar (Lepidoptera) ser ut i luckhuggna och brända bestånd jämfört med kontrollskogar

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : William Arnvik; Emil Gustavsson; [2022]
    Keywords : Naturvårdsbränning; Luckhuggning; Skogsrestaurering; Boreal skog; Död ved; Naturvård;

    Abstract : Den biologiska mångfalden i de boreala skogarna har minskat. Det finns flera orsaker till detta, varav ett är trakthyggesbruket. På grund av trakthyggesbruk har dynamiken och strukturen i skogarna förändrats och strukturen till ett onaturligt tillstånd. Det skapas inte mycket gammal skog p. READ MORE

  3. 3. Flower preferences among weed-visiting insects in field edges

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

    Author : Isolde Galin; [2021]
    Keywords : arable field; flower preference; pollinator; weeds;

    Abstract : The increased improvement of weed control throughout the years has led to a decrease in the amount of weed in arable fields. Weeds can be a source of pollen and nectar. Pollinating insects are dependent on a variety of plants for nectar and pollen. READ MORE

  4. 4. Examining the Link between Temperature and Flight Phenology in Hoverflies (Diptera: Syrphidae) Using Swedish Citizen Science Data

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

    Author : Malin Magnusson Rundqvist; [2021]
    Keywords : climate change; hoverfly; phenology; pollinator; Sweden; Syrphidae;

    Abstract : Global warming is causing a general trend of rising temperatures worldwide. Simultaneously there is also a decline in populations of pollinators all over the world. Therefore, it is important to examine the effect warming temperatures might have on different pollinator species. READ MORE

  5. 5. Fly larvae composting of fibrous food industry waste : impact of pre-treatment

    University essay from SLU/Department of Molecular Sciences

    Author : Robert Almqvist; [2020]
    Keywords : fly larvae; composting; BSFL; waste; recycling; larvae;

    Abstract : With increasing population worldwide comes higher demands of food and greater waste generation. Effective ways for safe nutrient recycling and waste treatment are thus needed to minimize the human impact on the environment. READ MORE