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Statements

Subject Item
dbr:Larinus_minutus
rdf:type
wikidata:Q1390 yago:PhysicalEntity100001930 yago:Agent109190918 owl:Thing dbo:Species wikidata:Q19088 wikidata:Q729 yago:WikicatBiologicalPestControlAgents dbo:Insect dbo:Animal umbel-rc:Insect dbo:Eukaryote yago:CausalAgent100007347
rdfs:label
Larinus minutus
rdfs:comment
Larinus minutus is a species of true weevil known as the lesser knapweed flower weevil. It is used as an agent of biological pest control against noxious knapweeds, especially diffuse knapweed (Centaurea diffusa) and spotted knapweed. In spotted and diffuse knapweed, L. minutus directly consumes another biological control agent released to control the species, the gall-forming flies Urophora affinis Frfld and Urophora quadrifasciata Meigen (Diptera: Tephrididae)
dct:subject
dbc:Biological_pest_control_beetles dbc:Lixinae dbc:Insects_used_for_control_of_invasive_plants
dbo:wikiPageID
15528725
dbo:wikiPageRevisionID
987840467
dbo:wikiPageWikiLink
dbr:Larinus dbr:Arthropod dbr:Head_(botany) dbr:Beetle dbr:Centaurea_maculosa dbr:Leonard_Gyllenhaal dbr:Centaurea_diffusa dbr:Urophora_affinis dbr:Curculionidae dbc:Lixinae dbr:Noxious_weed dbc:Insects_used_for_control_of_invasive_plants dbr:Biological_pest_control dbr:Urophora_quadrifasciata dbr:Larva dbr:Animal dbc:Biological_pest_control_beetles dbr:Insect dbr:Centaurea
dbo:wikiPageExternalLink
n13:larinus_minutus.html
owl:sameAs
yago-res:Larinus_minutus n12:Larinus_minutus n14:4pxpY n16:267340 freebase:m.03md9k1 wikidata:Q6489405
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dbt:Convert dbt:Short_description dbt:Taxonbar dbt:Taxobox dbt:Reflist
dbp:binomial
Larinus minutus
dbp:binomialAuthority
dbr:Leonard_Gyllenhaal
dbp:classis
Insecta
dbp:familia
dbr:Curculionidae
dbp:genus
Larinus
dbp:imageWidth
240
dbp:ordo
dbr:Beetle
dbp:phylum
Arthropoda
dbp:regnum
Animalia
dbp:species
L. minutus
dbo:abstract
Larinus minutus is a species of true weevil known as the lesser knapweed flower weevil. It is used as an agent of biological pest control against noxious knapweeds, especially diffuse knapweed (Centaurea diffusa) and spotted knapweed. The adult weevil is dark mottled brown with a long snout. It is 4 or 5 millimetres (0.16 or 0.20 in) long in total. It is active throughout the summer with a 14-week maximum adult lifespan. During this time the female lays up to 130 eggs, depositing them in the knapweed flower head. The larva emerges and burrows into the flower head where it feeds on the developing seeds. The larva damages the plant by reducing seed production (all of the seeds of diffuse knapweed and 25-100% of spotted knapweed) and the adult does damage by defoliating the plant as it feeds on the leaves prior to flowering. After flowering, adult weevils switch to feeding on flowers. In spotted and diffuse knapweed, L. minutus directly consumes another biological control agent released to control the species, the gall-forming flies Urophora affinis Frfld and Urophora quadrifasciata Meigen (Diptera: Tephrididae) This weevil is native to southern Europe and the Mediterranean. It was first released as a knapweed biocontrol in the United States in 1991 from Greece. It is now established in knapweed populations throughout the western United States, especially in warm, dry areas. It feeds on knapweeds, preferring diffuse knapweed over others, and it has not been shown to attack native flora. This weevil has been shown to reduce diffuse knapweed density at several sites. It has been less successful in controlling spotted knapweed.
gold:hypernym
dbr:Weevil
prov:wasDerivedFrom
wikipedia-en:Larinus_minutus?oldid=987840467&ns=0
dbo:wikiPageLength
5674
dbo:binomialAuthority
dbr:Leonard_Gyllenhaal
dbo:class
dbr:Insect
dbo:family
dbr:Curculionidae
dbo:genus
dbr:Larinus
dbo:kingdom
dbr:Animal
dbo:order
dbr:Beetle
dbo:phylum
dbr:Arthropod
foaf:isPrimaryTopicOf
wikipedia-en:Larinus_minutus