Northern Mantis a unique style developed and proven in China’s past with a rich and long history.
Paul Brennan’s, in depth translation gives a look back into the history and times surrounding the creation of the style.
螳螂拳術闡秘
SECRETS OF THE MANTIS BOXING ART
順德黃漢勛編述
by Huang Hanxun [Wong Honfan] of Shunde
[published in Hong Kong, 1946 (revised Nov, 1954)]
[translation by Paul Brennan, Aug, 2020]
excerpt from the translation

The style would later branch out forming different sub styles from the parent, each tracing its origin back to the founder.

My first experience with the style. Master Park, taught what he called “Mei Hua Tang Lang (Plum Flower Praying Mantis Boxing) ” in Camp Casey, a US Army Camp located in South Korea not far from the DMZ.
The style in Korea had a distinctive flavor
Example of some of the movement practiced by another Mantis gym in Korea . Very quick bridging movement, followed by trapping, and throwing.