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In Hohenbuhelia/Nematoctonus � knobs shaped like a figure eight (or hour-glass-shaped) are produced on the hyphae.� A clamp connection, indicating that this is a species of the Basidiomycota,�can be seen between the two knobs.� The knobs are enveloped in a thick mucus sheath and capture nematodes by sticking to the cuticle (click here).