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Spatial Temporal Analysis of Fieldwise Flow in Microvasculature
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Spatial and temporal habitat partitioning by calliphorid blowflies
G Arias-Robledo1, J R Stevens2, R Wall1
1School of Biological Sciences, University of Bristol, Bristol, U.K.
Medical and Veterinary Entomology
|December 21, 2018
Summary
Blowflies (Diptera: Calliphoridae) are vital for ecosystems. This study reveals how Calliphora and Lucilia species partition habitats and seasons, ensuring their coexistence and ecological roles.
Area of Science:
- Ecology
- Entomology
- Zoology
Background:
- Calliphorid blowflies are crucial for nutrient cycling and decomposition.
- Understanding blowfly community dynamics and niche partitioning is essential for ecological studies.
- Some blowfly species have economic impacts, particularly regarding livestock myiasis.
Purpose of the Study:
- To quantify habitat use differences among calliphorid species.
- To investigate the ecological factors driving coexistence in blowfly communities.
- To understand niche partitioning within the Calliphoridae family.
Main Methods:
- Field study conducted in southwest England from March to August 2016.
- Thirty insect traps deployed across three distinct habitats at two locations.
- Collection and identification of over 17,000 blowfly specimens, including key Calliphora and Lucilia species.
Main Results:
- Lucilia sericata dominated open habitats, while Lucilia caesar was most abundant in shaded areas.
- Calliphora species showed higher abundance during cooler months, indicating temporal segregation.
- Lucilia species exhibited habitat segregation likely due to humidity and light intensity tolerances.
Conclusions:
- Calliphora and Lucilia species demonstrate temporal segregation influenced by temperature.
- Habitat use differences in Lucilia species are linked to humidity and light preferences.
- These ecological factors collectively enable effective niche partitioning within the blowfly community.
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