description Macromia illinoiensis Overview
Macromia illinoiensis, commonly known as the swift river cruiser, is a large species of dragonfly belonging to the family Macromiidae. First described in 1862, this insect is native to North America, where it is commonly found patrolling swiftly along rivers and large streams. It features a long, slender abdomen, prominent green eyes, and yellow markings on its thorax. The species is intended for observation by entomologists and naturalists studying aquatic insect biodiversity and riparian ecosystems.
help Macromia illinoiensis FAQ
Where is the best place to find the Macromia illinoiensis dragonfly?
Also known as the swift river cruiser, Macromia illinoiensis is commonly found patrolling rapidly along large rivers and wide streams across North America. Look for them flying continuously over the water during the warm summer months, as they rarely land to rest.
How can you identify a male Illinois River Cruiser?
Male Macromia illinoiensis are large, dark dragonflies characterized by their brilliant green eyes and a single bright yellow ring on their otherwise black abdomen. They are most easily identified by their erratic, continuous flying patterns just above the surface of fast-moving rivers.
What does the swift river cruiser eat?
Like most large dragonflies, Macromia illinoiensis is a formidable predator that feeds on a variety of soft-bodied flying insects. They catch their prey, which includes mosquitoes, flies, and smaller dragonflies, while continuously patrolling over rivers.
When was Macromia illinoiensis first classified by scientists?
This species was first officially described in 1862 by the entomologist Benjamin Dann Walsh. It belongs to the family Macromiidae, which encompasses a distinct group of dragonflies known for their large size and long-distance flight capabilities.
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