Abstract
Abstract Scentless chamomile, Matricaria perforata Mérat [= Matricaria maritima var. agrestis (Knaf) Wilmot], is a widely distributed, rapidly spreading and aggressive weed, especially in the three Prairie Provinces. The seed-feeding weevil, Apion hookeri Kirby (Coleoptera: Curculionidae), is widespread and common in its native range in the Palaearctic. It occurs in such differing climates as the Mediterranean in northern Africa and the boreal climate of western Siberia. The weevil was screened for its host specificity. In the laboratory, females oviposited into the flowers of species in six genera of the tribe Anthemideae, and one species in the tribe Astereae. However, the larvae developed only in Matricaria species, and one adult emerged from stinking mayweed, Anthemis cotula L. In a choice test, ovipositing A . hookeri preferred scentless chamomile 93:1 over stinking mayweed. These results confirm host records in the European literature. It is concluded that A . hookeri is a host-specific and promising agent for the biological control of scentless chamomile.
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Claims 5
Claim · model-written summary
Female weevils oviposited in flowers from six Anthemideae genera and one Astereae species.
- Taxon
- Matricaria perforata
Tripleurospermum inodorume0 - Interactor
- Apion hookeri
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Omphalapion hookerorume2herbivore - Outcome
- oviposited into the flowers of species in six genera of the tribe Anthemideae, and one species in the tribe Astereaee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Scentless chamomile, Matricaria perforata Mérat”
e1“females oviposited into the flowers of species in six genera of the tribe Anthemideae, and one species in the tribe Astereae”
e2“Apion hookeri Kirby”
Claim · model-written summary
Weevil larvae developed only in Matricaria species.
- Taxon
- Matricaria
Matricariae0 - Interactor
- Apion hookeriOmphalapion hookerorume1herbivore
- Outcome
- larvae developed only in Matricaria speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the larvae developed only in Matricaria species”
e1“Apion hookeri Kirby”
Claim · model-written summary
One adult weevil emerged from Anthemis cotula.
- Taxon
- Anthemis cotula
Anthemis cotulae0 - Interactor
- Apion hookeriOmphalapion hookerorume1herbivore
- Outcome
- one adult emerged from stinking mayweede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“one adult emerged from stinking mayweed, Anthemis cotula L.”
e1“Apion hookeri Kirby”
Claim · model-written summary
Ovipositing weevils preferred scentless chamomile over stinking mayweed by 93:1.
- Taxon
- scentless chamomileTripleurospermum inodorume0
- Interactor
- A . hookeriOmphalapion hookerorume0herbivore
- Outcome
- preferred scentless chamomilee0
- Value
- 93:1e0
- Comparator
- stinking mayweede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ovipositing A . hookeri preferred scentless chamomile 93:1 over stinking mayweed”
Claim · model-written summary
The authors concluded that the weevil is a host specific promising biological control agent for scentless chamomile.
- Taxon
- scentless chamomileTripleurospermum inodorume0
- Interactor
- A . hookeriOmphalapion hookerorume0biocontrol_agent
- Outcome
- promising agent for the biological control of scentless chamomilee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A . hookeri is a host-specific and promising agent for the biological control of scentless chamomile”