Bacillus thuringiensis subsp. aizawai strain GC-91 (Ref: SAN401) |
Last updated: 12/06/2024
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(Also known as: Bacillus thuringiensis; Bt; Bta) |
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.
Environmental fate |
Ecotoxicity |
Human health |
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A specific strain of the bacterial insecticide Bt selected for its control of Lepidopteran larvae, particularly those of the Spodoptera group and insects that have developed resistance to Btk |
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Caterpillars particularly Spodoptera group of Lepidoptera; Mosquitoes |
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Vegetables: Fruit |
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- |
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Bacillus cultures are found in nature in one of two states. They are found either as vegetative cells that are actively growing and dividing or as spores. |
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Current |
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- |
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Class: Bacilli; Order: Bacillales; Family: Bacillaceae |
EC Regulation 1107/2009 (repealing 91/414) |
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Approved |
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Netherlands/Germany |
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30/06/2038 |
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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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✓ |
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✓ |
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  |
  |
✓ |
ESSpain |
FIFinland |
FRFrance |
HRCroatia |
HUHungary |
IEIreland |
ITItaly |
LTLithuania |
LULuxembourg |
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✓ |
  |
  |
✓ |
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✓ |
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  |
LVLatvia |
MTMalta |
NLNetherlands |
PLPoland |
PTPortugal |
RORomania |
SESweden |
SISlovenia |
SKSlovakia |
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✓ |
✓ |
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✓ |
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  |
  |
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ISIceland |
NONorway |
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USA, South Africa, Kenya, China, Australia, New Zealand |
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Insecticide, Other substance |
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Bactericide |
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Micro-organism |
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- |
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- |
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Natural |
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Stomach poison. Microbial disruptor of insect midgut membranes. |
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Isolates occur widely in soils and in most insect-rich environments |
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Produced commercially by controlled fermentation. Spores harvested for formulation into final point-of sale product |
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Crop protection |
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Caterpillars particularly Spodoptera group of Lepidoptera; Mosquitoes |
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Vegetables: Fruit |
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Suitable for use in all farming system where approved for use in that country |
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68038-71-1 |
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- |
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770 |
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- |
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- |
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35792.0 |
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Bacillus thuringiensis subsp. Aizawai strain GC-91 |
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- |
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- |
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- |
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- |
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- |
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Not applicable |
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Not applicable |
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11A |
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Not applicable |
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Many cases reported |
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Bacterium |
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Bacillus thuringiensis aizawai |
Arbico |
Bacillus thuringiensis aizawai |
Beneficial Insect Company |
Bacillus thuringiensis aizawai |
Valent Biosciences |
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Often supplied as water suspension concentrates. Frequent applications required. |
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10 |
DW3 DW = Don Wauchope personal database for Pka data: Wauchope, R. D. and Edwards, J. Dissociation constants for pesticide active ingredients: a database and comparison with predicted values. Dataset is no longer available. 3 = Unverified data of known source |
Low |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
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2.7 |
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Non-persistent |
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2.7 |
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Non-persistent |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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Other sources DT₅₀s up to 120days |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
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- |
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- |
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- |
- |
- |
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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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DW3 DW = Don Wauchope personal database for Pka data: Wauchope, R. D. and Edwards, J. Dissociation constants for pesticide active ingredients: a database and comparison with predicted values. Dataset is no longer available. 3 = Unverified data of known source |
Non-mobile |
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5000 |
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Estimated |
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- |
- |
- |
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- |
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- |
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- |
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- |
None
Terrestrial ecotoxicology |
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> 5050 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat |
Low |
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- |
- |
- |
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- |
- |
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- |
- |
- |
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> 5000 |
Anas platyrhynchos |
Low |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
- |
- |
- |
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> 100 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low |
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- |
- |
- |
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- |
- |
- |
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- |
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- |
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- |
- |
- |
- |
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- |
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- |
- |
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- |
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- |
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- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
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- |
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Harmless |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source Parasitic wasp |
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- |
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- |
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- |
- |
- |
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0.656 |
Oncorhynchus mykiss |
Moderate |
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- |
- |
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- |
- |
- |
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13 |
Daphnia magna |
Moderate |
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- |
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- |
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HUMAN HEALTH AND PROTECTION |
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Not applicable |
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- |
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> 5050 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat |
Low |
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5000 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rabbit |
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- |
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None allocated |
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None allocated |
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None allocated |
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None allocated |
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Public are unlikely to be exposed due to patterns of use |
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Bt does not persist in the digestive systems of mammals that ingest it |
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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 |
✓Yes, known to cause a problem |
✓Yes, known to cause a problem |
Eye irritant |
Phototoxicant |
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✓Yes, known to cause a problem |
No data found |
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No adverse health effects have been reported |
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No information available |
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Health: H317, H319, H334, H335 |
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III (Slightly hazardous) |
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- |
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- |
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Bacillus thuringiensis subsp. aizawai strain GC-91 |
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Bacillus thuringiensis subsp. aizawai |
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Bacillus thuringiensis subsp. aizawai |
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Bacillus thuringiensis subsp. aizawai |
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Bacillus thuringiensis subsp. aizawai |
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Bacillus thuringiensis subsp. aizawai |
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Bacillus thuringiensis subsp. aizawai |
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Bacillus thuringiensis subsp. aizawai |
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Bacillus thuringiensis subsp. aizawai |
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Bacillus thuringiensis subsp. aizawai |
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Bacillus thuringiensis subsp. aizawai |
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- |
Record last updated: |
12/06/2024 |
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 |