Beauveria bassiana strain 203 |

Last updated: 27/08/2025
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(Not known by any other names) |
The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement. These hazard alerts do not take account of usage patterns or exposure, thus do not represent risk.
Environmental fate |
Ecotoxicity |
Human health |
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A naturally occuring fungal parasite used to control pests on ornamental palm trees |
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Red palm weevil (Rhynchophorus ferrugineus) |
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Red palms |
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Class: Sordariomycetes; Order: Hypocreales;; Family: Cordycipitaceae |
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Pending |
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Not applicable |
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None |
EC Regulation 1107/2009 (repealing 91/414) |
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Approved |
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Netherlands |
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18/04/2032 |
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No |
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Yes |
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ATAustria |
BEBelgium |
BGBulgaria |
CYCyprus |
CZCzech Republic |
DEGermany |
DKDenmark |
EEEstonia |
ELGreece |
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ESSpain |
FIFinland |
FRFrance |
HRCroatia |
HUHungary |
IEIreland |
ITItaly |
LTLithuania |
LULuxembourg |
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LVLatvia |
MTMalta |
NLNetherlands |
PLPoland |
PTPortugal |
RORomania |
SESweden |
SISlovenia |
SKSlovakia |
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ISIceland |
NONorway |
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Not applicable |
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No |
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Insecticide |
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Micro-organism |
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Natural |
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Host insects are infected and killed within 4-10 days |
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Isolated from infected red palm weevil cadavers collected in the wild in South-East |
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Plant protection |
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Red palm weevil (Rhynchophorus ferrugineus) |
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Red palms |
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Beauveria bassiana strain 203 |
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Not applicable |
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Not applicable |
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UNF |
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Not applicable |
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Fungus |
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Current |
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Usually supplied as a microgranule formulation |
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Beauveria bassiana is commercially produced through a controlled fermentation process that ensures high spore viability and purity. The production begins with the selection of a genetically stable and virulent strain, which is cultured in nutrient-rich liquid media under sterile conditions. Once optimal fungal growth is achieved, the culture is transferred to solid substrates, such as rice or other grains, for mass sporulation. After sufficient incubation, the spores are harvested, dried (often via freeze-drying or spray-drying), and formulated into various products. |
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As microbial-based biopesticide production processes tend to use fermentation-based production rather than chemical synthesis, have a lower fossil fuel input in formulation and active ingredient creation, and have reduced downstream emissions due to biodegradability and minimal soil disruption, the life-cycle GHG emissions are expected to be low. Whilst hard and precise data are not available, broad estimates suggest that typically emissions are likely to be below 5 kg CO₂e/kg. |
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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. |
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Soil adsorption and mobility |
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None
Terrestrial ecotoxicology |
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> 1.8 x 1009 |
Apis mellifera as CFU/bee |
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> 1.8 x 1009 |
Apis mellifera as CFU/bee |
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1.16 x 1010 |
Bompus impatiens |
Low |
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1.16 x 1010 |
Bompus impatiens |
Low |
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HUMAN HEALTH AND PROTECTION |
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Not applicable |
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None alocated |
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None allocated |
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None allocated |
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None allocated |
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Negligible risk to bystanders and consumers |
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PPC advised to minimise skin and eye exposure, substance considered safe when dry |
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Carcinogen |
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Endocrine disruptor |
XNo, known not to cause a problem |
A0 A = Chromosome aberration (EFSA database) 0 = No data ; B0 B = DNA damage/repair (EFSA database) 0 = No data ; C0 C = Gene mutation (EFSA database) 0 = No data ; D0 D = Genome mutation (EFSA database) 0 = No data ; E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative |
XNo, known not to cause a problem |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
XNo, known not to cause a problem |
XNo, known not to cause a problem |
XNo, known not to cause a problem |
Respiratory tract irritant |
Skin irritant |
Skin sensitiser |
?Possibly, status not identified |
?Possibly, status not identified |
?Possibly, status not identified |
Eye irritant |
Phototoxicant |
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?Possibly, status not identified |
No data found |
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Potential to damage eyes |
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No information available |
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Not listed (Not listed) |
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Beauveria bassiana strain 203 |
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Record last updated: |
27/08/2025 |
Contact: |
aeru@herts.ac.uk |
Please cite as: |
Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |