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Constricting-ring nematode fungi
3 species
Drechslerella is a genus of microscopic nematode-trapping moulds that use constricting rings. Each ring is made of three cells on a short stalk. When a nematode pushes into the ring, the cells rapidly swell to about three times their volume, close the opening and hold the worm, which the fungus then invades. It is the only kind of nematode trap that actively captures its prey.
Trap: spontaneously formed, stalked, three-celled constricting rings. Conidia: one- to four-septate, mainly ellipsoidal, obovoid, spindle-shaped or top-shaped (Scholler et al. 1999). Ring cells inflate rapidly on contact, roughly tripling in volume (Liu et al. 2012).
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Mycology is an evolving science: names, classifications and safety information change as research advances. Entries are compiled from cited sources and reviewed, but may be incomplete or out of date — check the sources, and never rely on this library alone to identify or eat a mushroom.
