Cheilosia albitarsis sensu stricto
This record describes Cheilosia albitarsis sensu stricto (species). Recorded family: Syrphidae. Recorded order: Diptera.
Identification and Appearance

Cheilosia albitarsis and Cheilosia ranunculi are very similar and can often only be safely determined by detailed examination. Any specimen that has not been subjected to detailed examination should be submitted as Cheilosia albitarsis/ranunculi agg. They are robust with a short broad abdomen. In sunlight the thorax may be seen as metallic dark blue/green. The abdomen is more of a duller grey/bronze colour. Males of Cheilosia albitarsus have the following features: Detailed examination is required. Any specimen that has not been subjected to detailed examination should be submitted as Cheilosia albitarsis sens.lat. Often found in damp meadows, marshy areas, woodland clearings or well-shaded verges and are associated with buttercup. Adult females may sometimes be found landing on a buttercup leaf, walking to the tip and then underneath in order to lay an egg. Cheilosia albitarsis appears to be widespread in Britain, although true status is hard to determine due to difficulties of identification. No additional images available for this species.
Classification
Habitat and Range
Habitat
Often found in damp meadows, marshy areas, woodland clearings or well-shaded verges and are associated with buttercup.
Seasonal Activity
April to August.
Diet and Behavior
Life History
Adult females may sometimes be found landing on a buttercup leaf, walking to the tip and then underneath in order to lay an egg.
Additional species information
Recorded status
Cheilosia albitarsis
About Flies: the wider group
Order-level background for Diptera, the group containing Cheilosia albitarsis sensu stricto. Species-specific details appear above.
Group overview
Diptera includes over 150,000 described species of flies, mosquitoes, and midges. Mosquitoes are the deadliest animal on Earth (CDC). Malaria alone causes ~249 million cases and over 608,000 deaths annually, mostly children under 5 (WHO). Vector-borne diseases account for over 17% of all infectious diseases, causing 700,000+ deaths per year.
Ecological role of the group
Despite their disease impact, flies are critical decomposers and pollinators. Hoverflies alone pollinate hundreds of crop and wildflower species. Flies are also the primary food source for many birds, bats, and fish. Forensic entomology relies heavily on fly species for crime scene analysis.
Economic and practical significance of the group
In the U.S., vector-borne disease cases tripled between 2004-2016, with over 640,000 cases reported in that period (CDC). Tickborne diseases doubled from 22,000 to 48,000 annual reports. Globally, mosquito-borne diseases cost billions in healthcare and lost productivity.
Recorded sources for this group: WHO, CDC, PNAS. Imported estimates may describe particular regions or reporting periods.
Photos of Cheilosia albitarsis sensu stricto (3)
Frequently Asked Questions About Cheilosia albitarsis sensu stricto
What is Cheilosia albitarsis sensu stricto?
Cheilosia albitarsis sensu stricto is a species in the family Syrphidae, within the order Diptera.
How big is Cheilosia albitarsis sensu stricto?
> 8mm
Where is Cheilosia albitarsis sensu stricto found?
Habitat: Often found in damp meadows, marshy areas, woodland clearings or well-shaded verges and are associated with buttercup.
When is Cheilosia albitarsis sensu stricto active?
Cheilosia albitarsis sensu stricto: seasonal activity - April to August..
What is the life cycle of a Cheilosia albitarsis sensu stricto?
Adult females may sometimes be found landing on a buttercup leaf, walking to the tip and then underneath in order to lay an egg.
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