Dromogomphus spinosus
Encyclopedia
Black-shouldered Spinyleg (Dromogomphus spinosus) is a species
of dragonflies
in family Gomphidae
.
Like other spinylegs, D. spinosus have long spines on their legs that help in the capture of prey. True to their name their shoulders are black. The dorsal thorax has a light green I-shaped mark with pale ovals on either side. Their flight time is between late May and early September from southern Manitoba to the east coast of the US as far south as Florida. Terminal segments form a club with yellow lateral markings.
Adults average 2.5 in (6.4 cm).
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of dragonflies
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 family 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...
.
Like other spinylegs, D. spinosus have long spines on their legs that help in the capture of prey. True to their name their shoulders are black. The dorsal thorax has a light green I-shaped mark with pale ovals on either side. Their flight time is between late May and early September from southern Manitoba to the east coast of the US as far south as Florida. Terminal segments form a club with yellow lateral markings.
Adults average 2.5 in (6.4 cm).