This glossary explains biological, botanical, zoological and mycological terms, as well as terms used in cecidology. It is intended to make the numerous technical terms used in the photo gallery and on the information pages of this website easier to understand.
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Nectarivorous
A term for animals that use nectar as a food source.
Nematocecidia
Nematocecidia are plant galls caused by various nematodes.
Nematodes
Nematodes are tiny roundworms belonging to one of the most species-rich animal phyla, with more than 20,000 species. Some species, such as the stem nematode (Ditylenchus dipsaci), can produce tissue distortions and hence galls through toxic components of their saliva that break down the middle lamellae between plant cells. They are regarded as pests of crops such as potatoes, sugar beet and tobacco.
Neophyte
Neophytes are plants introduced by humans, directly or indirectly and intentionally or unintentionally, after 1492—the year traditionally associated with Christopher Columbus’s discovery of America—to areas in which they did not naturally occur.
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