Learn how to say Mantidae correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word mantis:
noun (plural same or mantises)
a slender predatory insect with a triangular head, which waits motionless for prey with its large forelegs folded like hands in prayer.
Suborder Mantodea, order Dictyoptera: Mantidae and other families, and many species, including Mantis religiosa of southern Europe
mid 17th century: modern Latin, from Greek, literally ‘prophet’