Essays about: "Diptera"
Showing result 1 - 5 of 14 essays containing the word Diptera.
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1. Differences in velocity between the sexes and stages of courtship in a dance fly
University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskapAbstract : 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
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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 ManagementAbstract : 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
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3. Flower preferences among weed-visiting insects in field edges
University essay from Linköpings universitet/Institutionen för fysik, kemi och biologiAbstract : 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
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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 biologiAbstract : 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
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5. Fly larvae composting of fibrous food industry waste : impact of pre-treatment
University essay from SLU/Department of Molecular SciencesAbstract : 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