Steinernema borjomiense n. sp. (Rhabditida: Steinernematidae), a new entomopathogenic nematode from Georgia

Gorgadze, Oleg; Fanelli, Elena; Lortkhipanidze, Manana; Troccoli, Alberto; Burjanadze, Medea; Tarasco, Estachio; Luca, Francesca De

doi:10.1163/15685411-00003167

Cited by 11 publications

(6 citation statements)

References 21 publications

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“…Comparison of the ITS sequences among Steinernema species has also showed higher variability than either the D2-D3 expansion domains of the 28SrRNA gene or the partial 18S rRNA gene ( 61 ). Analysis of partial mitochondrial COI sequences among Steinernema species has revealed that fewer clades could be resolved by this method than with ITS ( 61 ), despite the plurality of informative sites available for COI sequences.…”

Section: Identification Of Epn Strains Via Dna Analysismentioning

confidence: 99%

Entomopathogenic nematodes and their symbiotic bacteria: from genes to field uses

Tarasco,

Fanelli,

Salvemini

et al. 2023

Front. Insect Sci.

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The term “microbial control” has been used to describe the use of microbial pathogens (bacteria, viruses, or fungi) or entomopathogenic nematodes (EPNs) to control various insect pest populations. EPNs are among the best biocontrol agents, and major developments in their use have occurred in recent decades, with many surveys having been conducted all over the world to identify EPNs that may have potential in the management of insect pests. For nematodes, the term “entomopathogenic” means “causing disease to insects” and is mainly used in reference to the bacterial symbionts of Steinernema and Heterorhabditis (Xenorhabdus and Photorhabdus, respectively), which cause EPN infectivity. A compendium of our multiannual experiences on EPN surveys and on their collection, identification, characterization, and use in agro-forestry ecosystems is presented here to testify and demonstrate once again that biological control with EPNs is possible and offers many advantages over chemicals, such as end-user safety, minimal damage to natural enemies, and lack of environmental pollution, which are essential conditions for an advanced IPM strategy.

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Section: Identification Of Epn Strains Via Dna Analysismentioning

confidence: 99%

Entomopathogenic nematodes and their symbiotic bacteria: from genes to field uses

Tarasco,

Fanelli,

Salvemini

et al. 2023

Front. Insect Sci.

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“…Under the laboratory conditions, we also tested suspensions of entomopathogenic nematodes, since this group of pathogens is one of the most effectively used to regulate the number of pests, and specifically pentatomide [18]. We found that 3 days after infection with nematodes, up to (75.2 + 3.4 %) -(84.3 + 2.7) % of the N viridula imago died (Table 1).…”

Section: Resultsmentioning

confidence: 99%

Development of the elements of the biological system for protecting crops against the southern green stink bug Nezara viridula L. (Hemiptera: Pentatomidae) in Krasnodar Krai

2020

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The article considers the issues related to the development of the methods of biological crop protection against the adventive species of pentatomides (Pentatomidae, Hemiptera) – the southern green stink bug Nezara viridula L. 1758. One of the main factors contributing to the significant spread of this multinucleated pest is the lack of effective control systems of this species, in particular, poor knowledge of local entomophages species. A number of the biological peculiarities of a stinkbug has been studied. For the first time in the Russian Federation, infection of the N. viridula eggs with the entomophage Trissolcus basalis Woll. 1858 (Hymenoptera: Scelionidae) was determined We found that to control Nezara in such crops as soybeans, tomatoes and tobacco, it is possible to use the Fitoverm-M preparation (active ingredient – aversectin-C, 2 g/l).

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“…Later 85 valid species were proposed, 15 of these in the 1990s, 39 from 2000-2009 and 31 from 2010 to the beginning of 2016. From 2017 to 2018, 12 valid species were reported of which two were recently added to the list of new species, one from South Africa, S. Litchii (Steyn et al, 2017) and other from Georgia, S. borjomiense (Gorgadze et al, 2018).…”

Section: Diversity and Distribution Of Entomopathogenic Nematodes Wormentioning

confidence: 99%

Prospects and Present Status and of Entomopathogenic Nematodes (Steinernematidae and Heterorhabditidae) in Nepal

Keshari¹,

Hari²,

Bhat³

et al. 2019

jaar

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Naturally occurring entomopathogenic nematodes(EPN) and their symbiotic bacteria are important biotic factor in suppression of insect pest populations in soil and cryptic habitats. These nematodes can control pests due to their mutualistic association with bacteria that kill the hosts by septicemia and make the environment favorable for EPN development and reproduction.The virulent species of EPN can commercially be mass produced as biological control agents all over the world. Nepal has a great potential to exploit these beneficial nematodes for the control of insect pests. Exploration of indigenous EPN is receiving attention around th eworld. Numerous surveys conducted worldwide have detected many indigenous isolates. Altogether 115 species of EPN (97 of Steinernema and 18 of Heterorhabdits species) have been reported so far worldwide. However, very limited research on EPN in Nepal has been done with 29 species only with some new species. Hence,the isolation and description of the native efficacious species and populationsof EPN is the need of the hour,not only from a biodiversity view point but also from an environmental and biological control perspective.Thei dentification of EPNs, adapted to environmental and climatic conditions of cultivated areas, is important for sustainable pest suppression in integrated management programs in agricultural areas of Nepal. This article provides an overview of recent development on EPN research and evaluates their potential for use and exploitation in Nepal.

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Steinernema borjomiense n. sp. (Rhabditida: Steinernematidae), a new entomopathogenic nematode from Georgia

Cited by 11 publications

References 21 publications

Entomopathogenic nematodes and their symbiotic bacteria: from genes to field uses

Entomopathogenic nematodes and their symbiotic bacteria: from genes to field uses

Development of the elements of the biological system for protecting crops against the southern green stink bug Nezara viridula L. (Hemiptera: Pentatomidae) in Krasnodar Krai

Prospects and Present Status and of Entomopathogenic Nematodes (Steinernematidae and Heterorhabditidae) in Nepal

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