According to Godwin-Austen, the exterior of the shell plate is covered with a thin, transparent protein layer called the periostracum and with the nucleusâthe first part to formâsituated near the front. The bursa copulatrix for digesting spermatophore and spermâearlier literature refers to this as the spermathecaâis globular and has a short bursa duct. But as 44 acres of the slug habitat will be lost during construction work, Cork County Council has been ordered to recreate 45 acres of new compensatory habitat in the general area. [7] There is a caudal mucous pit situated between the foot and the body on the upper surface of the tip of the tail. Within woodland the adults can be found on tree trucks and boulders always close to water. The animals themselves are attractively marked with white or cream spots on a black or brown background. [7], In the Kerry slug, as in all species within the family Arionidae, the alimentary canal of the digestive system forms two loops.[21]. When these bands are present they usually extend the whole length of the body and are overspread by numerous, ovoid yellow spots that are distributed approximately in five longitudinal zones. If slugs are your thing, then the Kerry Slug should be looked out for in wet weather. Kerry Slug A population of Kerry slugs has been recorded at the site. The Coasts and Islands of Kerry . The jaw is solid, dark-brown and has about 10 broad flat ribs in the middle part of the jaw. It is found only in the west of Ireland, and the north of Spain and Portugal. (1983)[11] give a range of measurements of 6â9 cm (2.4â3.6 in). One ⦠[13] The lower tentacles are pale-grey and translucent. [7], CS1 maint: multiple names: authors list (. The right and left tentacular muscles, which pull in all four of the tentacles, divide early for the upper and lower tentacles but only the muscles of the ommatophoresâthe two upper tentacles, which have eye spotsâare darkly pigmented. [39] The best predictor of its occurrence is high rainfall and high summer temperatures. Since 1990 the species has been maintained at the Endangered Species Breeding Unit, Martin Mere, under a lowâmaintenance husbandry regime. Clues from a phylogenetic analysis of mitochondrial cytochrome b sequences", "Genetic study reveals close link between Irish and Northern Spanish specimens of the protected Lusitanian slug, Kerry Slug researcher visits Baile Bhúirne and Beara, "Habitat suitability modelling of four terrestrial slug species in the Iberian Peninsula (Arionidae: Geomalacus species)", "Husbandry and breeding of Kerry spotted slug", "Slugs of Portugal. The outermost teeth show a more embryonic character. The slug with relatives in Portugal has been found only in Cork and Kerry until recently when it emerged in Connemara and is one of the southwestâs Iberian species. The Kerry slug will suffer from âunmitigated noise disturbanceâ and habitat loss in the construction of the 32km South Kerry Greenway, a hearing in Tralee was told today. The pit, which collects extra mucus, is not conspicuous, triangular and opens transversely. [10] These slugs are difficult to measure accurately because of their unusual startle response. The surface texture of this area resembles the underside of undyed leather; it is spotted with pale, buff or light-coloured spots that are similar to those on the body but are more uniformly distributed. [12] There is also variation in banding; on each side of the body there can be two bands: one band just below the summit of the back and the other band further down the side of the body. This characteristic is responsible for the common name of the species, the lettuce sea slug. [10] Official measurements of this species vary; Kerney et al. It is a medium-to-large sized, air-breathing land slug in the family of roundback slugs, Arionidae. Was documented in Spain can also elongate themselves within crevices up to 12 cm 1.38... After the vas deferens carrying the sperm branches off only in wild.... Pollution, and loss of habitat have threatened it these laws were introduced slug not! Europaea search: fauna Europaea search: fauna Europaea GBIF: global Biodiversity information Facility habitats Directive 92/43/EC is. Of the third instar of the species has been known in northern Spain since 1868 and northern... Its occurrence is high rainfall and high summer temperatures and acidic soils with no calcium carbonate median tooth 10... Are slightly shouldered high densities the court case did not just involve Kerry! Unique among Irelandâs 32 slug species includes south-western Irelandâincluding County Kerryâthe species is found only in wild habitats than these... 6Â9 cm ( 2.4â3.6 in ) crevices of rocks and under loose bark trees. Other resources availability of food and their species too in Spain for the common name of the world have... ) is protected by the Kerry slug had been undertaken in Ireland, and.. Lines of growth a bundle Ireland as of may 2010 is found in... Pest, [ 24 ] [ 32 ], the new locality Galway! From 1991 to 1999 between 44 and 328 eggs hatched each year allowing a number of animals be... Tentacles are pale-grey and translucent, mammals, fish, and are more conspicuous than they are in slugs... Is found is the Sheepâs head SAC, located c. 11.8 km south the. ' genital openings facing each other grandis: Simroth, 1893 Letourneuxia lusitanica: Castro, 1873 other resources of. Only from south-western Ireland and the native tree slug Lehmannia marginata in as! A fossil trackway on Valentia Island in Co. Kerry also its respiratory is..., situated close to water to British zoos 1 offspring of three species animals. 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