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Knob-trapping nematode fungi
1 species
Dactylellina is a genus of microscopic nematode-trapping moulds. Instead of sticky nets, they catch nematodes on small adhesive knobs held on short stalks, sometimes together with three-celled rings that do not constrict. A nematode that brushes against a knob sticks to it and is then invaded by the fungus. The genus is used mainly in research on how trapping structures evolved.
Trap: stalked adhesive knobs, sometimes combined with stalked three-celled non-constricting rings (Scholler et al. 1999); Yang et al. (2007) also include species with sessile knobs and adhesive columns. Conidia: 1-7(-15)-septate, mostly cylindrical, ellipsoidal, fusiform or spindle-shaped. Asexual morph of Orbilia-type fungi.
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