one sp. in NA (so. Canada to Panama), another in Chile(1)
Print References
Grebennikov, V. V. (2004). Grub-like larvae of Neuroptera (Insecta): a morphological review of the families Ithonidae and Polystoechotidae and a description of Oliarces clara. European Journal of Entomology, 101, 409-417. (Full Text)