Longidoridae

Xiphinema is a genus of ectoparasitic root nematodes commonly known as dagger nematodes. The genus is of economic importance on grape, strawberry, hops and a few other crops. Major species include X.americanum, X.diversicaudatum, X.index, X.italiae and X.pachtaicum. They can be easily recognized by their long bodies and stylets which are long enough to reach the vascular tissue of plants. Different members of the genus have been shown to induce moderate to large amounts of root damage through root penetration, which in some species results in the formation of galls. They are of agricultural co

Longidoridae (longidorid nematodes) is a family of polyphagous root ectoparasites in the phylum Nematoda (nematodes) with a worldwide distribution.

Longidorus is a genus of needle nematodes. Some of its species are plant pests.

species of worm