
	Description
	The face is yellow. The upper part of the face (frons) is completely surrounded with a bold black border. The bottom of the border forms a black “mustache” line across the face that gives this species its common name. There is also a wider horizontal stripe on the lower part of the face above the upper lip (labrum), and an inverted triangle dividing the labrum.

	Size
	Total length: 111 ⁄16″ to 113 ⁄16″

	Similar Species



	Habitat
	Fast-flowing streams and rivers, exposed lake shores


	Biology
	Season
	Early May to late August

	Behavior


	Life Cycle


	Naiad Food


	Adult Food


	Taxonomy
	Order	Odonata (dragonflies and damselflies)
	Suborder	Epiprocta
	Infraorder	Anisoptera (dragonflies)
	Superfamily	Aeshnoidea
	Family	Gomphidae (clubtails)
	Genus	Gomphus
	Subgenus	Gomphus (Hylogomphus)

	Synonyms
	Gomphus brevis HyloHylogomphus adelphus Hylogomphus brevis

	Common Names
	mustached clubtail

Glossary

Frons

The upper part of an insect’s face, roughly corresponding to the forehead.

Labrum

The upper part of the mouth, sometimes considered the lower part of the face, corresponding to the upper lip, on an insect or crustacean.


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mustached clubtail