Introduced Helicidae garden snails in Australia: morphological and molecular diagnostics, species distributions and systematics

  title={Introduced Helicidae garden snails in Australia: morphological and molecular diagnostics, species distributions and systematics},
  author={Mark J. Blacket and Michael Shea and Linda Semeraro and Mallik B. Malipatil},
  journal={Records of The Australian Museum},
There is a large number of Helicidae land snails native to the Western Palearctic, many of which have become invasive species in other parts of the world. In the past, multiple helicid species were introduced to Australia where they can now be major agricultural and horticultural pests. Determining which species have become established is essential for effective biosecurity and pest management. Here we have shown that three helicid species currently occur in Australia: Brown (Cornu aspersum M… 

Morphological and Molecular Characterization of the Invasive Pestiferous Land Snail Macrochlamys indica Godwin-Austen, 1883 (Gastropoda: Ariophantidae) from Saudi Arabia

It is recommended that control measurements must be implemented in order to eradicate or at least restrict the dissemination of M. indica from nurseries to natural habitats or agricultural fields.

Identification problems of travelling snail species—new exotic introductions to tropical greenhouses in Gothenburg, Sweden (Gastropoda: Achatinellidae, Strobilopsidae, Helicarionidae)

A broader assessment of available sequence data for genetic identification based on COI or 16S for other snail species reported from horticultural facilities showed that such reference data in GenBank are still scarce and only for a limited number of species this approach would support identification.

A Sicilian–Cretan biogeographical disjunction in the land snail genus Cornu (Gastropoda: Helicidae)

An unusual biogeographical disjunction between the western and the eastern Mediterranean region is reported, hypothesized to have originated by a long-distance dispersal event of the ancestors of the Cretan species from Sicily by birds or by sea currents, perhaps facilitated by a tsunami or a similar event.

Can Estivation Preferences Be Used to Develop Novel Management Tools against Invasive Mediterranean Snails?

How snails choose their estivation sites and aggregate may lead to the development of new management tools in areas where these snails are invasive, and this work investigates the preferences of four invasive snail species for vertical supports varying in widths and heights under laboratory and field conditions.

Five New Records of Introduced Terrestrial Gastropods in Southern California Discovered by Citizen Science

Abstract: Terrestrial gastropod inventories can be improved, both in scope and thoroughness, by including species observations made by citizen scientists. Few citizen science projects, however, focus

Annotated checklist of the terrestrial mollusks (Mollusca: Gastropoda) from Hispaniola Island

The annotated checklist on the extant terrestrial mollusks from Hispaniola Island based on literature from 1758 to 2020 is here presented. We report 612 taxa distributed in three subclasses, 129

Weight and length relationships (WLRs) and meat yield of brown garden snail, Helix aspersum (Müller, 1774) and Turkish snail, Helix lucorum Linnaeus, 1758 (Mollusca: Gastropoda: Helicidae) in the Sinop province, Turkey

The present work carried out on the length – weight relationship of two commercially important mollusks Helix aspersa and Helix lucorum were analyzed from Sinop province in the Central Black Sea region climate, Turkey and suggested that two helix species showed negative growth characteristics.

Development and using of some nanopesticide formulations against the conical snail,

The results revealed that the conical snails were more susceptible to all the tested pesticides than the chocolate banded snail, M. vermiculata, and the potency of nanoformulation used was not only by direct kill‐ ing of tested snails but also by repellent effect.

Effects of Different Harvest Dates on Some Fruit Quality Parameters and Health Promoting Compounds of Morus alba L. and Morus nigra L. Fruit

Dutlar fenolik bilesikler, antioksidantlar ve organik asitler gibi saglik acisindan faydali bilesiklere sahip olmalari bakimindan cok onemli meyvelerdir. Ancak dutlarda 2 ay kadar uzun suren hasat



Barcoding Queensland Fruit Flies (Bactrocera tryoni): impediments and improvements

Identification of adult fruit flies primarily involves microscopic examination of diagnostic morphological characters, while immature stages, such as larvae, can be more problematic. One of the

Mitochondrial DNA diversity and taxa delineation in the land snails of the Iberus gualtieranus (Pulmonata, Helicidae) complex

The robust phylogenetic reconstruction obtained allows us to consider I. alonensis s.l.s. as valid species and the main lineages obtained, for the time being, may be treated as evolutionary species.

A phylogeny of the land snails (Gastropoda: Pulmonata)

The molecular tree suggests that supposedly primitive features such as the orthurethran kidney are derived, and suggests that the origin of the Stylommatophora is much earlier than the main period of their diversification.

DNA-based identifications reveal multiple introductions of the vegetable leafminer Liriomyza sativae (Diptera: Agromyzidae) into the Torres Strait Islands and Papua New Guinea

DNA barcoding methods employed here not only identified multiple introductions of L. sativae, but also appear generally applicable to the identification of other agromyzid leafminers and should decrease the likelihood of potentially co-amplifying internal hymenopteran parasitoids.

Evolutionary relationships among the Pulmonate land snails and slugs (Pulmonata, Stylommatophora)

Overall, the rDNA molecular phylogeny has remained stable following the incorporation of the additional taxa, with these additions having little impact on the major evolutionary patterns in the tree.

Founder effects and geographic variation in the land snail Theba pisana

Analysis of samples from southern France, Israel, and Wales supports the hypothesis that T. pisana consists of three genetically distinct geographical groupings: Britain, northern France (including some Welsh populations) and the Mediterranean area; and the genetic composition from Western Australia, Victoria, and Tasmania is consistent with a common source for the Australian introductions.

Tracing the Invasion of the Mediterranean Land Snail Cornu aspersum aspersum Becoming an Agricultural and Garden Pest in Areas Recently Introduced

This study compared the spatial structure and genetic variability of invasive populations of America, Oceania, South Africa and native populations using five microsatellite loci and mitochondrial genes as a first step towards (i) the detection of potential source populations, and (ii) a better understanding of mechanisms governing evolutionary changes involved in the invasion process.


The genus Helix Linnaeus, 1758 includes the largest snails of the family Helicidae, and prob-ably the largest terrestrial pulmonates in western Eurasia. It is distributed in northern Africa and

Phylogeography of an invasive land snail: natural range expansion versus anthropogenic dispersal in Theba pisana pisana

Reconstructing the phylogeography based on COI sequences indicated that primarily human activities rather than natural causes have shaped and still shape the current distribution of T. p.