| Paralongidorus | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Enoplea |
| Order: | Dorylaimida |
| Family: | Longidoridae |
| Genus: | Paralongidorus |
| Paralongidorus | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Enoplea |
| Order: | Dorylaimida |
| Family: | Longidoridae |
| Genus: | Paralongidorus |
Root-knot nematodes are plant-parasitic nematodes from the genus Meloidogyne. They exist in soil in areas with hot climates or short winters. About 2000 plants worldwide are susceptible to infection by root-knot nematodes and they cause approximately 5% of global crop loss. Root-knot nematode larvae infect plant roots, causing the development of root-knot galls that drain the plant's photosynthate and nutrients. Infection of young plants may be lethal, while infection of mature plants causes decreased yield.
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 concern because they are vectors of nepoviruses, transferring them during feeding. Efforts to study these nematodes in more detail have proved problematic in some species due to difficulties in maintaining populations in a greenhouse environment.
Tylenchorhynchus claytoni is a plant pathogenic nematode.
Anguina is a genus of plant pathogenic nematodes.
The nematodes, roundworms or eelworms constitute the phylum Nematoda. They are a diverse animal phylum inhabiting a broad range of environments. Most species are free-living, feeding on microorganisms, but there are many that are parasitic. The parasitic worms (helminths) are the cause of soil-transmitted helminthiases.
Tipula paludosa is a species of true craneflies, family Tipulidae. It is also known as the European crane fly or the marsh crane fly. It is a pest in grasslands of Northwest Europe and has been accidentally introduced to North America.
Schistonchus caprifici is a plant parasitic nematode in the genus Schistonchus parasitizing the caprifig. It is found in Spain and Italy.
Longidorus is a genus of needle nematodes. Some of its species are plant pests.
Basiria is a genus of nematodes.
Paratrichodorus is a genus of terrestrial root feeding (stubby-root) nematodes in the Trichodoridae family (trichorids), being one of five genera. They are economically important plant parasites and virus vectors. The females are didelphic, and are distributed worldwide.
Diphtherophorina is a suborder of terrestrial nematodes, being one of three that constitute suborder Triplonchida.
Trichodoridae is a family of terrestrial root feeding nematodes, being one of two that constitute suborder Triplonchida. They are economically important plant parasites and virus vectors.
Trichodorus is a genus of terrestrial root feeding (stubby-root) nematodes in the Trichodoridae family (trichorids), being one of five genera. They are economically important plant parasites and virus vectors.
Chilenchus is a genus of nematodes in the family Tylenchidae. The name comes from Chile, the country from where it originates.
Oscheius is a genus of nematode.
Oscheius tipulae is a species of nematodes, described in association of the leatherjacket, the larva of Tipula paludosa.
Heydenius is a collective group genus of fossil mermithid nematodes from the Tertiary period that cannot be placed in extant genera.
Myolaimidae is a family of nematodes in the order Rhabditida. It consists of two genera, Myolaimus and Deleyia.
Mononchoides fortidens, of the order Diplogasterida, is a free-living predacious nematode that feeds on both nematodes and bacteria . The predatory behavior of this nematode presents the opportunity to use it as a bio-control agent against other plant parasitic nematodes. It has been shown to have a preference for the second stage juveniles of Meloidogyne incognita.
István Andrássy was a Hungarian nematologist. Starting with his first publication in 1952 on the nematode fauna of Mount Bükk, over his dissertation in 1973 on the evolution of nematodes to his last days he was a very prolific scientist, publishing more than 200 manuscripts, chapters and books on the class of Nematoda. He described 530 taxa of nematodes and at least 60 nematode taxa are named after him, which shows the huge respect he had in the nematologists world.
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