Dromogomphus spinosus
Selys, 1854
black-shouldered spinyleg
Dromogomphus spinosus, commonly known as the black-shouldered spinyleg, is a medium-sized in the Gomphidae. average 64 mm in length. The is distinguished by prominent black shoulder patches, long spines on the legs used for prey capture, and a clubbed with yellow lateral markings. It occurs across eastern North America from southern Manitoba to Florida.



Pronunciation
How to pronounce Dromogomphus spinosus: //ˌdroʊmoʊˈɡɒmfəs spɪˈnoʊsəs//
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Identification
Look for the combination of black shoulders, green I-shaped thoracic mark with pale ovals, and clubbed with yellow lateral markings. The long leg spines are characteristic of spinylegs but require close observation. Distinguished from other Dromogomphus by the specific pattern of thoracic markings and abdominal club coloration.
Images
Distribution
Eastern North America from southern Manitoba to the east coast of the United States, south to Florida.
Seasonality
period from late May to early September.
Behavior
Uses long leg spines to capture prey.
Similar Taxa
- Other Dromogomphus speciesShare the spinyleg trait of long leg spines, but differ in thoracic marking patterns and abdominal club coloration.
More Details
Etymology
The specific epithet 'spinosus' and 'spinyleg' both refer to the long spines on the legs.