Antlion are a family of insects in the order Neuroptera with the scientific name Myrmeleontidae ( sometimes misspelled as `` Myrmeleonidae '' ) most well-known genus is Myrmeleo . Antlions are a group of insects in the family Myrmeleontidae ( sometimes misspelled as `` Myrmeleonidae '' ) . The most well-known genus is Myrmeleo .