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Entomology

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Forensic entomology

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The Spatial Habitat And Seasonal Prevalence Of Blow Flies (Diptera: Calliphoridae) In Windsor-Essex County, On, Madison Laprise Jan 2023

The Spatial Habitat And Seasonal Prevalence Of Blow Flies (Diptera: Calliphoridae) In Windsor-Essex County, On, Madison Laprise

Electronic Theses and Dissertations

Blow flies (Diptera: Calliphoridae) are important insects due to their role in carrion decomposition, myiasis, and forensic entomology. Many studies have observed generalized habitat preferences of the adult flies, such as shady and sunny, rural, and urban, and seasonal, but not explicitly based on the different nutritional resources. In contrast, this study examines the relationships between adult blow fly species prevalence across five land use types, three traffic volumes, three levels of roadkill density, and three seasons with a novel sampling protocol focused on predicted carrion resource availability. Blow flies were trapped at 44 locations across Windsor-Essex County, ON during …


Variation In Oviposition Behaviour Of Blow Flies (Diptera: Calliphoridae) Due To Relative Humidity And Intraspecific Interactions, Theresa Tran Jan 2022

Variation In Oviposition Behaviour Of Blow Flies (Diptera: Calliphoridae) Due To Relative Humidity And Intraspecific Interactions, Theresa Tran

Electronic Theses and Dissertations

Blow flies are usually the first insects to arrive at carrion, using it to oviposit or breed. The behaviour to search for and accept a carrion resource as suitable for oviposition is influenced by abiotic factors, particularly temperature and humidity, as well as by the presence of other insects. My thesis focuses on the influence of relative humidity (RH), combined with intraspecific interactions, on oviposition choices of three blow fly species Lucilia sericata (Meigen), Phormia regina (Meigen), and Calliphora vicina Robineau-Desvoidy (Diptera: Calliphoridae). Individual fly oviposition behaviour was measured on a temperature gradient (10-40°C) under high (75- 85%) and low …