Karimkulov A.
Karimkulov A. ECONOMIC IMPORTANCE OF GASTROPOD MOLLUSСS IN THE NORTH-WEST OF THE TURKESTAN RANGE // Universum: химия и биология : электрон. научн. журн. 2023. 6(108). URL: (дата обращения: 01.03.2024).
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DOI - 10.32743/UniChem.2023.108.6.15614



The article describes the economic importance of gastropods in the north-west of the Turkestan Range. According to the given data, all slugs and 23 species of gastropod molluscs with an external shell found in the region were noted as agricultural pests. Of the 58 identified gastropods, 27 are noted as intermediate hosts of helminths.


В статье описывается хозяйственное значение брюхоногих моллюсков северо-запада Туркестанского хребта. Согласно приведенным данным, все выявленные в регионе слизни и 23 вида брюхоногих моллюсков с наружной раковиной отмечены как вредители сельского хозяйства. Из 58 определенных брюхоногих моллюсков 27 отмечены как промежуточные хозяева гельминтов.


Keywords: Gastropods, economic importance, Turkestan Range, intermediate hosts, helminths.

Ключевые слова: Брюхоногие моллюски, хозяйственное значение, Туркестанский хребет, промежуточные хозяева, гельминты.



The economic importance of gastropods not only in the north-west of the Turkestan Range, but throughout Central Asia has two sides: positive and negative. The positive side of the events is that they turned out to be a link in the diet of some animals. For example, many waterfowl: ducks, geese, gulls, as well as amphibians and fish feed on aquatic mollusсs. Domestic chickens are also found in the extermination of gastropods. That some species of gastropods have been reported as harmful to crops and as intermediate hosts of parasitic helminths is certainly a negative lack of data in animals.

Materials and methods

The material for this work was the long-term collection of gastropods carried out in the territory of the north-west of the Turkestan Range.

When collecting terrestrial molluscs, the methods of I.M. Likharev and E.S. Rammelmeyr [10], A.A. Shileyko [12, 13], and during fixation by I.M. Likharev and A.Y. Viktor [8]. To study the anatomical structure, the methods of I.M. Likharev [7] and A.A. Shileyko [12] were used.

Harmfulness and participation of some gastropods as intermediate hosts of parasitic helminths was determined from literary sources [1, 2, 3, 5, 9, 11].


Analyzing the accumulated material on gastropod molluscs in the northwest of the Turkestan Range and the literature data in recent years, we found that 58 species of gastropod mollusks inhabit the northwestern part of the Turkestan Range. Of these, 43 species belong to terrestrial, and 15 to freshwater molluscs.

As pests of agricultural crops, slugs cause great damage among gastropods. In the northwestern part of the Turkestan Range, we identified 7 species of slugs [4, 5]. All of them are pests of grain, vegetable, industrial and ornamental crops. In addition, they live in greenhouses, greenhouses and gardens, especially in the zone of irrigated agriculture, where they are very active and numerous. 80-100% damage cabbage, onions, dill, strawberries, pumpkin leaves, seedlings of many crops. Since slugs willingly eat the corpses of animals and feces, they can introduce eggs of helminths dangerous to humans on plants [9]. Of certain slugs, Lehmannia valentiana is considered an introduced species, which, like other species, causes significant damage to vegetable and ornamental crops [6]. The systematic composition of slugs in the northwest of the Turkestan Range is given below (Table 1). According to the table, it can be seen that the main pests of agricultural plants are representatives of the families Agriolimacidae and Parmacellidae. They cause especially great damage during the spring and autumn periods of rains. Like all slugs, they have high ecological plasticity and tolerate summer drought very well, hibernating. But representatives of some families (Agriolimacidae) can also be found in summer along streams and ditches. Although at this time of the year they are not very dangerous as pests of agricultural crops, they are dangerous because during this period they lay eggs and breed.

Table 1.

Systematic composition of slugs in the northwest of the Turkestan Range

Family name

Species name



1. Deroceras leave

2. D. agreste

3. Lytopelte maculata



1. Candaharia rutellum

2. C. levanderi

3. C. izzatullaevi



Lehmannia valentiana


A literary analysis [1, 2, 11] of gastropod molluscs - pests of farm animals showed that 4 species of freshwater molluscs out of 15 species, and 23 species of terrestrial molluscs out of 43 species are intermediate hosts of certain parasites. Below we provide a list of molluscs intermediate hosts and the names of helminths (Table 2).

Table 2.

Molluscs are intermediate hosts of helminthes

The name of the molluscs



Freshwater clams



Lymnaea truncatula

Fasciola hepatica


Lymnaea auricularia

Fasciola gigantica, Orientobilharzia turkestanica


Lymnaea bactriana

Fasciola gigantica, Orientobilharzia turkestanica.


Planorbis tangitarensis

Gastrothylax crumenifer


Land molluscs



Succinea putris

Protostrongylus davtiani, P. raillieti, P. skrjabini.


Oxyloma elegans

Protostrongylus raillieti


Cochlicopa nitens

Protostrongylus davtiani, P. raillieti.


Cochlicopa lubrica

Varestrogylus pneumonicus


Cochlicopa lubricella

Spiculocaulus leuckarti


Sphyradium doliolum

Protostrongylus hobmaieri


Vallonia costata

Hasstilesia ovis, Dicrocoelium dendriticum, Spiculocaulus kwongi.


Vallonia pulchella

Hasstilesia ovis


Vallonia ladacensis

Dicrocoelium dendriticum


Gibbulinopsis signata

Protostrongylus rufescens, P. hobmaieri, Cystocaulus ocreatus.


Pupilla triplicata

Protostrongylus davtiani, P. raillieti.


Pupilla muscorum

Hasstilesia ovis, Dicrocoelium dendriticum, Protostrongylus hobmaieri, Spiculocaulus austriacus, S. kwongi.


Vertigo antivertigo

Protostrongylus davtiani, P. skrjabini.


Pseudonapaeus miser

Protostrongylus hobmaieri, P. skrjabini.


Pseudonapaeus sogdiana

Cystocaulus ocreatus


Leucozonella rufispira

Cystocaulus ocreatus, Dicrocoelium dendriticum.


Leucozonella retteri

Dicrocoelium dendriticum


Xeropicta candaharica

Cystocaulus ocreatus, C. vsevolodovi, Protostrongylus rufescens, P. davtiani, P. hobmaieri, P. raillieti, P. skrjabini, P. caprae, Dicrocoelium dendriticum, Muellerius capillaris, Spiculocaulus leuckarti, S. austriacus, S. kwongi, S. orloffi.


Monacha carthusiana

Cystocaulus ocreatus


Zonitoides nitidus

Dicrocoelium dendriticum, Cystocaulus ocreatus, Protostrongylus davtiani, P. skrjabini.


Macrochlamys sogdiana

Spiculocaulus austriacus


Candaharia izzatullaevi

Dicrocoelium dendriticum


Deroceras  agreste

Dicrocoelium dendriticum



From the above data, it can be seen that the most infected of freshwater molluscs is molluscs of the genus Lymnaea, and of terrestrial molluscs, molluscs of the genera Pupilla and Xeropicta. The most dangerous and widespread among them are Lymnaea truncatula, L. auricularia and Xeropicta candaharica. These species are widespread not only in the northwestern part of the Turkestan Range, but also throughout Central Asia. If freshwater molluscs are intermediate hosts of trematodes, then terrestrial molluscs are mainly nematodes. As you know, the larvae of these helminths can infect not only farm animals, but also humans. Considering the wide distribution of representatives of these molluscs throughout Central Asia, one can imagine what a huge threat they pose to the national economy. Therefore, it is impossible for a minute to relax the fight against them both in natural biotopes and in agrocenoses. An effective way to fight against harmful molluscs is considered to be the simultaneous use of agrotechnical, chemical and biological methods of control. In recent years, special attention has been paid to the biological method of control, since it does not require large financial costs and, most importantly, is environmentally friendly.



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Информация об авторах

Candidate of Biological Sciences, assistant professor of Gulistan State University, Republic of Uzbekistan, Gulistan

канд. биол. наук, доцент Гулистанского государственного университета, Республика Узбекистан, г. Гулистан

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