Pit-digging insect

• Predatory insect
• Adult doodlebug
• Winged insect resembling a dragonfly
• Insect that makes a conical trap
• The larvae (doodlebugs) dig conical pits where they wait to catch e.g. ants
• Grown-up doodlebug
• The larva of an ant lion or of any of several other insects

Wikipedia Word definitions in Wikipedia
Antlion is a name applied to a group of about 2,000 species of insects in the family Myrmeleontidae. Antlion or Ant lion may also refer to: Myrmecoleon or ant-lion, a fantastical beast of ancient times Antlion (Half-Life) , creature in the Half-Life video ...

Wiktionary Word definitions in Wiktionary
alt. Any of various nocturnal insects from the family Myrmeleontidae whose adults resemble damselfly and whose larvae bury themselves under a cone-shaped pit in sand to trap insects such as ants. n. Any of various nocturnal insects from the family Myrmeleontidae ...