The plant hosts of the nematode genus Helicotylenchus include a width range of hosts, o.a. fruit crops, vegetables, agronomic crops, ornamental plants, forages, turfgrasses and weeds.
Plant-feeding nematode species can be mirgratory or sendentary, feeding either inside the host plant root (endoparasites) or outside the plant root (ectoparasites) and can cause serious economic damage to agricultural crops. The genus Helicotylenchus belongs to the ectoparasites.
(Source: Global Soil Biodiversity Atlas|Chapter II – Diversity of soil organisms)
More pictures of Helicotylenchus pseudorobustus:
More pictures of Helicotylenchus exallus:
More pictures of Helicotylenchus canadensis:
More pictures of Helicotylenchus vulgaris:
(Click on the pictures for an enlargement, © Wageningen University & Research, Laboratory of Nematology/Pictures: Hanny van Megen)