Mycopathogens of Mites in Poland - A Review

Miętkiewski, R.; Bałazy, Stanisław; Tkaczuk, C.

doi:10.1080/09583150050115043

Cited by 17 publications

(14 citation statements)

References 11 publications

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“…(Humber et al 1981), and Entomophthora Xoridana (Nemoto et al 1975). More recently, authors have referred to the pathogens associated with spider mites as N. Xoridana (Keller, 1997;Kennedy and Smitley 1988;Mietkiewski et al 2000). In this paper, we will consider all Neozygites species pathogenic to T. urticae and T. evansi as N. Xoridana, although we think that more studies are needed to clarify the taxonomy of this species complex.…”

Section: Natural Incidencementioning

confidence: 93%

Role of entomopathogenic fungi in the control of Tetranychus evansi and Tetranychus urticae (Acari: Tetranychidae), pests of horticultural crops

et al. 2008

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The spider mites Tetranychus urticae Koch and Tetranychus evansi Baker and Pritchard are important pests of horticultural crops. They are infected by entomopathogenic fungi naturally or experimentally. Fungal pathogens known to cause high infection in spider mite populations belong to the order Entomophthorales and include Neozygites spp. Studies are being carried out to develop some of these fungi as mycoacaricides, as stand-alone control measures in an inundative strategy to replace the synthetic acaricides currently in use or as a component of integrated mite management. Although emphasis has been put on inundative releases, entomopathogenic fungi can also be used in classical, conservation and augmentative biological control. Permanent establishment of an exotic agent in a new area of introduction may be possible in the case of spider mites. Conservation biological control can be achieved by identifying strategies to promote any natural enemies already present within crop ecosystems, based on a thorough understanding of their biology, ecology and behaviour. Further research should focus on development of efficient mass production systems, formulation, and delivery systems of fungal pathogens.

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Section: Natural Incidencementioning

confidence: 93%

Role of entomopathogenic fungi in the control of Tetranychus evansi and Tetranychus urticae (Acari: Tetranychidae), pests of horticultural crops

et al. 2008

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“…Hirsutella kirchneri has been reported from several parts of the world (aside from the UK), such as Poland, infecting eriophyid mites (Midtkiewski et al 2000), Australia, from the cyclamen mite, Phytonemus pallidus (Banks) (unpublished data), and Cuba (Cabrera and Dominguez 1987), where it was isolated from P. oleivora. The latter host report indicated that this fungus was a suitable candidate for our purpose.…”

Section: Hirsutella Sppmentioning

confidence: 97%

“…The application of this fungus against rust and bud mites, spider mites and the broad mite, Polyphagotarsonemus latus (Banks) was reviewed several times (Chandler et al 2000;van der Geest et al 2000), and more recently it was tried against the varroa mite, Varroa destructor Anderson & Trueman (Kanga et al 2002). Aside from North America, the fungus has been isolated from diVerent parts of the world, including Poland (Midtkiewski et al 2000), India (Kumar and Anuroop 2004), The Philippines (Rombach et al 1986), Africa (Odongo et al 1998) andBrazil (van der Geest et al 2000).…”

Section: Hirsutella Sppmentioning

confidence: 97%

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A tale of three acaropathogenic fungi in Israel: Hirsutella, Meira and Acaromyces

et al. 2008

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We review published and unpublished studies conducted in Israel with six acaropathogenic fungi, assayed in order to control the citrus rust mite, Phyllocoptruta oleivora (Ashmead) (CRM). Hirsutella thompsonii Fisher was introduced twice, killed 80-90% of the exposed mites, but due to its requirements for near-saturation humidities was deemed unsuitable for local outdoors conditions. Hirsutella kirchneri (Rostrup) Minter et al. and Hirsutella necatrix Minter et al. were also introduced and assayed against CRM and spider mites, but their efficacy was unsatisfactory. Three indigenous fungi found to be associated with mites, Meira geulakonigii, Meira argovae and Acaromyces ingoldii--all three recently described by Boekhout, Gerson, Scorzetti & Sztejnberg--were assayed against several mites. Meira geulakonigii killed 80-90% of several spider mites and of the CRM, and caused some mortality of Iphiseius degenerans (Berlese), one out of three phytoseiid predators assayed. Mortality was not due to parasitization; extracts from the media in which the fungi had developed caused considerable mite death, suggesting that it was a result of fungal toxins. Data from a field study indicated that spraying blastoconidia of M. geulakonigii on grapefruits infested by CRM significantly reduced pest-incurred damage from 23 to 13%. Applying qRT-PCR methodology indicated that M. geulakonigii was endophytic within sealed grapefruit flowers and in the flavedo of the fruits' peel. Neither in the laboratory nor in the field was any evidence ever obtained that this fungus damaged the plants, leading us to hypothesize that M. geulakonigii serves as a "body guard" of grapefruits (and perhaps other plants as well). All three fungi suffered very little mortality after being exposed to various insecticides and acaricides that are in current local use (with the exception of sulfur). The ability of M. geulakonigii to reduce mite numbers without affecting the host plant, the minimal fungal effect on some predatory mites, its endophytic nature along with the apparent tolerance of M. geulakonigii to many insecticides and acaricides, suggest that this fungus could be suitable for integrated pest management (IPM) program.

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“…The first cases of mite mycoses were described about 70 years after the recognition of the infective character of insect mycoses and this delay remained until the 1970s, except for a few subtropical and tropical institutes, where mycoses of mites had been included into some research, but usually on a very limited scale (e.g., Fisher 1950Fisher , 1951. In Poland the first records on mite mycoses appeared in the 1970s, but during the last three decades they have been developed and widened continuously (Miętkiewski et al 2000). The political and economical changes of the turn of the 1980s made it possible not only to accelerate these studies in Poland but also to enter into international cooperation and to stimulate acaropathogenic research in other European countries (a.o., Austria, France, Germany, Great Britain, Greece, The Netherlands, Spain).…”

Section: Introductionmentioning

confidence: 97%

Diversity of acaropathogenic fungi in Poland and other European countries

Bałazy¹,

Miętkiewski

Tkaczuk

et al. 2008

Exp Appl Acarol

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The occurrence, species diversity and some aspects of taxonomical affinity and host selectivity of acaropathogenic fungi associated with phytophagous, saprotrophic and predacious mites in Poland and other European countries were investigated on wild and cultivated plants, in insect feeding sites under the bark and in decayed wood. From among 33 species of fungi affecting mites only five species of Entomophthorales were separated and the most numerous were Neozygites floridana mostly on Tetranychus urticae, N. abacaridis on a few eriophyid species, and Conidiobolus coronatus attacking gamasid mites most frequently of the genus Dendrolaelaps. The most frequent mite pathogens occurring in mite communities on plants and in wood infested by insects were of the genus Hirsutella. Until now 13 of their form-species have been recognized in these habitats, but only H. kirchneri, H. necatrix and H. thompsonii (including its variety synnematosa) can be treated as exclusive oligophagous pathogens of phytophagous mites, though their potential host range seems to embrace only selected eriophyid or tarsonemid mites. Taxonomical differentiation of fungal strains was based on close morphological observations and molecular analysis of ITS region sequences. Two new species of acaropathogenic fungi were described in these studies. Hirsutella danubiensis sp. nov. was found in the tetranychid T. urticae, whereas H. vandergeesti sp. nov. affected phytoseiid mites of the genera Amblyseius, Neoseiulus, Seiulus and Typhlodromus, and the tarsonemid Tarsonemus lacustris.

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Mycopathogens of Mites in Poland - A Review

Cited by 17 publications

References 11 publications

Role of entomopathogenic fungi in the control of Tetranychus evansi and Tetranychus urticae (Acari: Tetranychidae), pests of horticultural crops

Role of entomopathogenic fungi in the control of Tetranychus evansi and Tetranychus urticae (Acari: Tetranychidae), pests of horticultural crops

A tale of three acaropathogenic fungi in Israel: Hirsutella, Meira and Acaromyces

Diversity of acaropathogenic fungi in Poland and other European countries

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