Migrant Hawker
Aeshna mixta
This record describes Aeshna mixta (species). Recorded family: Aeshnidae. Recorded order: Odonata.
Identification and Appearance

This is a medium sized dragonfly. The overall impression is dark, the male having a blackish abdomen with blue spots, brown thorax with relatively narrow yellow stripes, and blue eyes. Females are brown with yellow spots. Both sexes have a prominent yellow 'golf tee' triangle on abdominal segment 2. The Common Hawker is similar but is larger and lacks the golf tee mark at the top of the abdomen. The Migrant Hawker breeds in a variety of well vegetated aquatic habitats and is often also recorded well away from water along hedgerows and woodland edges. Before the 1940's it was, as the name suggests, a migrant visitor but now it is an established breeding species in the UK. Most British records come from England south of the Humber. Prior to the 1980s historic records show that this species was, as its name suggests, a migrant to VC 55. From the 1980s onwards, however, the Migrant Hawker has become a widespread species and a familiar sight during its late summer flight period; owing to this late emergence it is still probably under recorded as most observers of Odonata are most active in the early to mid summer periods. The Migrant Hawker breeds in a variety of well vegetated aquatic habitats and is often also recorded well away from water.
Wikipedia reference for Aeshna mixta: http://en.wikipedia.org/wiki/Migrant_hawker.
Classification
Habitat and Range
Habitat
The Migrant Hawker breeds in a variety of well vegetated aquatic habitats and is often also recorded well away from water along hedgerows and woodland edges.
Seasonal Activity
July to early November.
Diet and Behavior
Life History
Before the 1940's it was, as the name suggests, a migrant visitor but now it is an established breeding species in the UK.
Additional species information
Recorded status
Most British records come from England south of the Humber.
About Dragonflies and Damselflies: the wider group
Order-level background for Odonata, the group containing Aeshna mixta. Species-specific details appear above.
Group overview
Odonata includes ~6,000 described species of dragonflies and damselflies. Dragonflies are among the fastest flying insects, reaching 36 mph (58 km/h). They can fly in any direction including backward, and hover in place - each wing operates independently.
Ecological role of the group
Dragonflies predate dinosaurs by nearly 100 million years - fossils date to 325 million years ago. The largest dragonfly ancestor, Meganeuropsis permiana (285 mya), had a 75cm wingspan, enabled by atmospheric oxygen levels of 31-35% compared to today's 21%. Dragonflies have a 95% hunting success rate - the highest of any predator.
Economic and practical significance of the group
Dragonflies are voracious predators that consume hundreds of mosquitoes daily, providing natural pest control worth millions in reduced mosquito-borne disease risk. A single dragonfly can eat 30 to hundreds of mosquitoes per day.
Recorded sources for this group: Natural History Museum London, Britannica, fossil record research. Imported estimates may describe particular regions or reporting periods.
Photos of Migrant Hawker (3)
Frequently Asked Questions About Migrant Hawker
What is Migrant Hawker?
Migrant Hawker (Aeshna mixta) is a species in the family Aeshnidae, within the order Odonata.
Where is Migrant Hawker found?
Habitat: The Migrant Hawker breeds in a variety of well vegetated aquatic habitats and is often also recorded well away from water along hedgerows and woodland edges.
When is Migrant Hawker active?
Migrant Hawker: seasonal activity - July to early November..
What is the life cycle of a Migrant Hawker?
Before the 1940's it was, as the name suggests, a migrant visitor but now it is an established breeding species in the UK.
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