Hawkers
The family Aeshnidae, commonly known as Hawkers or Darner dragonflies, belongs to the order Odonata. These insects are recognized by their large size and rapid, powerful flight patterns, often causing confusion for farmers who mistake them for potential crop pests.
What the section contains
Anax
Anax
Blue Emperor
Anax imperator
Brown hawker
Aeshna grandis
Common green darner
Anax junius
Hairy dragonfly
Brachytron
Hairy dragonfly
Brachytron pratense
Hawaiian giant dragonfly
Anax strenuus
Hawker dragonfly
Aeshna
Hemianax
Hemianax
Lesser Blue Emperor
Anax guttatus
Migrant hawker
Aeshna mixta
Moorland hawker
Aeshna juncea
Southern hawker
Aeshna cyanea
Vagrant emperor
Hemianax ephippiger
Hawkers
Scientifically, Hawkers are not plant pests. They do not possess mouthparts capable of consuming plant matter, nor do they lay eggs in crops that would cause tissue damage. Their feeding habits are strictly predatory, focusing entirely on other insects rather than vegetation.
The life cycle of Aeshnidae is divided between aquatic and terrestrial stages. The nymphs live submerged in ponds or streams, feeding on aquatic larvae and small crustaceans. Once they reach maturity, they emerge as adults, becoming highly skilled aerial hunters capable of patrolling large areas.
In terms of agricultural value, Hawkers act as efficient biocontrol agents. They consume vast quantities of flies, mosquitoes, and other small flying insects that can be nuisances to livestock or carriers of plant diseases, effectively helping to maintain ecological balance near farmlands.
No pest control measures are necessary or recommended for Hawkers. They are beneficial insects that contribute to natural pest suppression. Protecting their habitat, particularly clean water sources, is encouraged to maintain a healthy population of these natural insect predators.