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Damselflies tend to be less robust, and appear weaker in flight; their wings are narrow near the base and (in most species) held folded back over the abdomen when perched. Dragonfly eyes occupy much of the animal's head, touching (or nearly touching) each other across the face. In damselflies, there is typically a gap in between the eyes.
Dragonfly vision is thought to be like slow motion for humans. Dragonflies see faster than humans do; they see around 200 images per second. [ 80 ] A dragonfly can see in 360 degrees, and nearly 80 per cent of the insect's brain is dedicated to its sight.
Odonata is an order of predatory flying insects that includes the dragonflies and damselflies (as well as the Epiophlebia damsel-dragonflies). The two major groups are distinguished with dragonflies (Anisoptera) usually being bulkier with large compound eyes together and wings spread up or out at rest, while damselflies (suborder Zygoptera) are usually more slender with eyes placed apart and ...
Insect morphology is the study and description of the ... in the unusual case of the dragonfly ... This arrangement is also seen in the abdomen but only in the first ...
Edit 2 - Vector version, by Gustavb – same text as Edit 1 ((Note: This is a new file, not nominated file from 2006)) File:Dragonfly morphology edit 4.svg Edit 4 - more wing adjustments. I am self nominating a peice of my own work which shows the basic morphology and anatomy of a female dragonfly (specifically a Green Darner).
The chasers, darters, skimmers, and perchers and their relatives form the Libellulidae, the largest family of dragonflies. [2] It is sometimes considered to contain the Corduliidae as the subfamily Corduliinae and the Macromiidae as the subfamily Macromiinae.
Neurothemis fluctuans, the red grasshawk, common parasol or grasshawk dragonfly, is a species of dragonfly in the family Libellulidae. It is widespread in many Asian countries. [ 2 ]
The green darner is a large dragonfly; males grow to 76 mm (3.0 in) in length with a wingspan up to 80 mm (3.1 in). [9] [10] Females oviposit in aquatic vegetation, eggs laid beneath the water surface. Nymphs (naiads) are aquatic carnivores, feeding on insects, tadpoles, and small fish.