Lombardo F. (1995) A review of the genus Popa Stil1856 (Insecta Mantodea). Tropical Zoology, 8(2) 257-267.
"It is suggested that Mantis undata Fabricius, 1793 does not belong to the genus Popa Stil 1856 as believed until now, but to the Indian genus Ambivia StAl, 1877 (n. comb.). The systematic...