Scabiosa caucasicahas been found affected by a new species ofAphelenchoides, herein described and namedA. blastophthorus.The symptoms of disease are destruction of the inflorescences and distortion of the leaves with reduction of the laminae. Similar symptoms were produced in scabious by experimental infestation. The nematode can infest teazle (Dipsacus fullonum), but has not been found naturally occurring on any host but scabious.