winged insect resembling a dragonfly; the larvae (doodlebugs) dig conical pits where they wait to catch e.g. ants
同义词：antlionantlion fly
英汉双解大词典
antlion/ˈæntˌlaɪən/
1.
N（名词）
any of various neuropterous insects of the family Myrmeleontidae, which typically resemble dragonflies and are most common in tropical regions 蚁狮 (Also called antlion fly)