Some of these fungi have sticky knobs on stalks, but others have three - celled nooses only a thousandth of an inch [2.5 cm] thick, which tighten around any nematode worm that unwittingly crawls through them.
Mõningatel seentel on jala peal kleepuvad nupukesed, teistel aga kolm peenikest silmust, mis sulguvad ümber ümarusside, kes neile liiga lähedale tikuvad.