Below is my flow chart made with Mermaid in Typora.
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
Gametocysts present?
Parasite detectable in coocoon?
Parasite present in cocoon?
Strictly vertical transmission
Unknown mechanism of transmission
Parasite detectable in soil?
Parasite detectable in soil?
Both horizontal and vertical transmission
Vertical transmission with likely occassional horizontal transmission
Unknown mechanism of transmission
Strictly horizontal transmission
Below are the links to my original and Beamer-updated PowerPoint:
Original PPT
Updated Beamer PPT PDF