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Polychaos dubium
Polychaos dubium, 220 µm

 

 

Polychaos dubium with fungus

 

I found two specimens of P. dubium in a fresh sample from the Diepveen in the Netherlands (April 2013), both infected by a long and thin fungus. This fungus resembles Amoebophilus simplex, which parasites on Mayorella (see here). However, the conidia of the Polychaos-fungus are much longer than in Amoebophilus simplex, with sharply tapering ends, while the haustoria look the same.

 

Polychaos dubium
Polychaos dubium
Polychaos dubium
Polychaos dubium, fungi with haustoria.
Polychaos dubium
Narrowed connection between two conidia.
Polychaos dubium
Haustorium (arrow)
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