Thelidomus aspera
Encyclopedia
Thelidomus aspera is a species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of air-breathing land snail
Land snail
A land snail is any of the many species of snail that live on land, as opposed to those that live in salt water and fresh water. Land snails are terrestrial gastropod mollusks that have shells, It is not always an easy matter to say which species are terrestrial, because some are more or less...

, a terrestrial
Terrestrial animal
Terrestrial animals are animals that live predominantly or entirely on land , as compared with aquatic animals, which live predominantly or entirely in the water , or amphibians, which rely on a combination of aquatic and terrestrial habitats...

 pulmonate gastropod mollusk in the family Pleurodontidae
Pleurodontidae
Pleurodontidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.This family is classified within the clade Stylommatophora within the clade Eupulmonata...

.

Distribution

It occurs in Jamaica
Jamaica
Jamaica is an island nation of the Greater Antilles, in length, up to in width and 10,990 square kilometres in area. It is situated in the Caribbean Sea, about south of Cuba, and west of Hispaniola, the island harbouring the nation-states Haiti and the Dominican Republic...

.

This species has not yet become established in the USA, but it is considered to represent a potentially serious threat as a pest, an invasive species
Invasive species
"Invasive species", or invasive exotics, is a nomenclature term and categorization phrase used for flora and fauna, and for specific restoration-preservation processes in native habitats, with several definitions....

 which could negatively effect agriculture, natural ecosystems, human health or commerce. Therefore it has been suggested that this species be given top national quarantine
Quarantine
Quarantine is compulsory isolation, typically to contain the spread of something considered dangerous, often but not always disease. The word comes from the Italian quarantena, meaning forty-day period....

 significance in the USA.

Ecology

Thelidomus aspera is a host for larvae of parasites Angiostrongylus cantonensis and for Aelurostrongylus abstrusus
Aelurostrongylus abstrusus
Aelurostrongylus abstrusus is a species of nematode from the family Metastrongylidae.- Hosts :Intermediate hosts include:* land snail Achatina fulica* land snail Thelidomus asperaFinal hosts include:* cats...

.

External links

  • photos
  • photo
  • Pilsbry H. A. (1894). Manual of Conchology. Second series: Pulmonata, Volume 9. Helicidae - Volume VII. page 96. Plate 23, figure 25 shows reproductive system.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK