Mermis nigrescens Species page - Nematode.
Morphological and molecular characterization of Mermis nigrescens Dujardin, (Nematoda: Mermithidae) parasitizing the introduced European earwig (Dermaptera: Forficulidae) in New Zealand.
He described Mermis nigrescens in 1842 and Mermis aquatilis in 1845. - In Scotland in 1861, Sir John Bulloch described a worm that was obviously Sphaerularia bombi. In 1853, Meissner (1829-1905) described Mermis albicans in detail.
The ultrastructure of the cuticle of the adult female nematode Mermis nigrescens has been described. There is an epicuticle and three-layered membrane covering the cuticle.
A small roundworm or nematode, Mermis nigrescens, sometimes parasitize earwigs that have ingested roundworm eggs accidentally with plant material. At least 28 species of parasitic fungus of the order Laboulbeniales have been recovered from earwigs.
Mermis nigrescens Organism Classification. Mermis nigrescens is a species of nematode known commonly as the grasshopper nematode. It is distributed in the Americas, Europe, and Asia. It occurs in Tasmania, but it has not been observed on mainland Australia. It has been rarely observed in.
Three samples from the northeastern USA are morphologically and genetically identified as Mermis nigrescens, whereas three specimens collected from a single agricultural locality in the southeast USA fell into a clade with currently undescribed species. Nucleotide sequences of the V2-V6 region of 18S from the southeastern specimens were 2.6-3.0.
The Mermis family name was found in the USA, the UK, and Scotland between 1861 and 1920. The most Mermis families were found in the USA in 1920, and the UK in 1891. In 1920 there were 6 Mermis families living in Kansas. This was about 21% of all the recorded Mermis's in the USA. Kansas had the highest population of Mermis families in 1920.