Heterorhabditis megidis |
Last updated: 12/06/2024
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(Also known as: Heterorhabditis megidis isolate UK211; Heterorhabditis megidis isolate HW79 (Dutch)) |
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 naturally occurring soil entomopathogenic parasitic nematode |
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Soil-based insects including vine weevils (Otiorhynchus sulcatus); Chafer grubs (Melolontha spp.); European crane fly lavae (Tipula paludosa Meigen) |
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Ornamentals; Vegetables; Trees; Vines |
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Parasite enter the weevil larvae through natural body openings or by penetrating the cuticle directly. Inside the host they release a toxic symbiotic bacterium (Photorhabdus luminescens). A larva which is attacked will colour yellow to reddish brown and will die after about two days. The nematodes reproduce inside the host and as it decomposes, a new generation moves off in search of further prey. |
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Class: Secernentea; Order: Rhabditida; Family: Heterorhabditidae |
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Not applicable |
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Not applicable |
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Not applicable |
EC Regulation 1107/2009 (repealing 91/414) |
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Not applicable |
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Not applicable |
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Not applicable |
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Not applicable |
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No |
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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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Yes |
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Insectivore |
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Macro-organism |
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Natural |
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Parasitism and consumption. |
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The nematodes occur widely in temperate soils and were originally found in Europe |
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Produced commerically by fermentation |
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Crop protection |
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Soil-based insects including vine weevils (Otiorhynchus sulcatus); Chafer grubs (Melolontha spp.); European crane fly lavae (Tipula paludosa Meigen) |
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Ornamentals; Vegetables; Trees; Vines |
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Suitable for use in all farming systems where approved for use in that country |
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Heterorhabditis megidis Poinar, Jackson and Klien |
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Most countries require a licence to be issued before non-native macro-organisms may be released as biocontrol agents |
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Not applicable |
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Not applicable |
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Not applicable |
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Not applicable |
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Living organism |
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Heterorhabditis-System |
Biobest |
Nemasys G |
Scotts International BV |
Nemasys G |
Becker Underwood |
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Usually supplied as water dispersible formulations |
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Not applicable |
Q4 Q = Miscellaneous data from online sources 4 = Verified data |
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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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Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected |
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Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected |
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Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected |
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Non-toxic |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source No adverse effects identified or expected |
Non-toxic |
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Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected |
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HUMAN HEALTH AND PROTECTION |
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Not applicable |
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Negligible risk to bystanders and consumers |
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Negligible risk to farm workers |
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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 |
No data found |
Eye irritant |
Phototoxicant |
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?Possibly, status not identified |
No data found |
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Ingestion may cause gastrointestinal problems |
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No information available |
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Not listed (Not listed) |
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Heterorhabditis megidis |
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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 |