Pronghorn Clubtail
Encyclopedia
Gomphus graslinellus is a species of dragonfly
in the family
Gomphidae
. This species is commonly known as the pronghorn clubtail.
Dragonfly
A dragonfly is a winged insect belonging to the order Odonata, the suborder Epiprocta or, in the strict sense, the infraorder Anisoptera . It is characterized by large multifaceted eyes, two pairs of strong transparent wings, and an elongated body...
in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Gomphidae
Gomphidae
Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly referred to as clubtail dragonflies. The name refers to the clublike widening of the end of the abdomen...
. This species is commonly known as the pronghorn clubtail.
Adult
The pronghorn clubtail is a medium-sized dragonfly with a length of 1 7/8 to 2 1/8 inches (47 to 54 mm). Its face and its thorax are olive green, with the thorax marked with dark brown stripes. Its abdomen is dark brown to black and is marked along the top with a line of elongated, triangular-shaped marks varying in color from greenish to yellow. On the underside of the tip of its abdomen is marked with yellow and is swollen as in other clubtail species.Nymph
The nymph of the pronghorn clubtail is large in size with a length of 1 1/8 inches (29 mm). Its abdomen is the widest at segment five. On the top of each abdominal segment two through nine has a curved hook, and there is a single, rear-facing spine on every side of abdominal segments seven through nine.Geographical Range
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