DromogomphusDromogomphus is a genus of dragonflies in the family Gomphidae. They are commonly known as spinylegs from the spines on their legs that help in the capture of prey.SpeciesListed alphabetically.Dromogomphus armatus – southeastern spinyleg Dromogomphus spinosus – black-shouldered spinylegDromogomphus spoliatus – flag-tailed spinyleg