Order Mecoptera

Common name: scorpionflies and hangingflies

• Head elongate with slender mandibulate mouthparts
• Front and hind wings narrow, elongate, and similar in size; crossveins numerous; some species are secondarily wingless.
• Tarsi 5-segmented
• Males of some species have enlarged external genitalia held recurved over the abdomen like a scorpion's tail.

• Gordon's Mecoptera Page
• World Checklist Of Extant Mecoptera Species at CalAcad
• Mecoptera
  at NCSU
• Biology, Natural History, and Ecology of Mecoptera - Scorpionflies
  at Discoverlife