Abstract
The presence of the invasive coccinellid Harmonia axyridis in aphid colonies on plants, as well as its co-occurrence with native coccinellid predators was studied in the period 2011-2020. Also, its occurrence on fruit plants and grapes was monitored at harvest time. Research was conducted on 41 locations in Serbia. The feeding of this invasive species was recorded on a total of 43 aphid taxa of 25 different genera. It was most frequently present on aphid colonies of the genera Aphis, Brachycaudus and Myzus. The presence of H. axyridis in aphid colonies was recorded on 58 cultivated plant species: 10 fruit, 7 field crop, 5 vegetable and 16 ornamental species, as well as 20 non-cultivated plants. Harmonia axyridis feeding was also observed on mature fruit plants of cultivated blueberries, nectarine and grapes in representative production areas in Serbia. Nine native coccinellid species were detected in this study: Adalia bipunctata, Adalia decempunctata, Coccinella septempunctata, Hippodamia sp., Hippodamia apicalis, Hippodamia variegata, Hippodamia tredecimpunctata, Hippodamia undecimnotata and Propylea quatuordecimpunctata. Populations of H. axyridis and native coccinellids co-occurred in aphid colonies on many plants, i.e. in 53.45% of all samples. The results inferred that H. axyridis as a predator of numerous aphids on many plants is a useful coccinellid species. However, it may also be considered as a potential pest in fruit and grape production, and a threat to native aphidophagous coccinellids.
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Claims 5
Claim · model-written summary
Harmonia axyridis fed on 43 aphid taxa across 25 genera on plants.
Not reportedTaxon
Verbatim
e0“The feeding of this invasive species was recorded on a total of 43 aphid taxa of 25 different genera.”
Claim · model-written summary
Harmonia axyridis occurred most often in aphid colonies of Aphis, Brachycaudus and Myzus.
- Interactor
- Aphis, Brachycaudus and Myzus
Myzus
Aphis
Brachycauduse0pest - Outcome
- present on aphid coloniese0
- Direction
- most frequentlye0
Not reportedTaxon
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was most frequently present on aphid colonies of the genera Aphis, Brachycaudus and Myzus.”
Claim · model-written summary
Harmonia axyridis was recorded on 58 cultivated and 20 non-cultivated plant species.
- Taxon
- cultivated plant speciese0
- Interactor
- H. axyridis
.jpg?width=60)
Harmonia axyridise0other - Outcome
- presence of H. axyridis in aphid coloniese0
- Value
- 58 cultivated plant speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The presence of H. axyridis in aphid colonies was recorded on 58 cultivated plant species: 10 fruit, 7 field crop, 5 vegetable and 16 ornamental species, as well as 20 non-cultivated plants.”
Claim · model-written summary
Harmonia axyridis fed on mature blueberries, nectarines and grapes in Serbia.
- Taxon
- cultivated blueberries, nectarine and grapese0
- Interactor
- Harmonia axyridisHarmonia axyridise0pest
- Outcome
- Harmonia axyridis feedinge0
- Setting
- Serbiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Harmonia axyridis feeding was also observed on mature fruit plants of cultivated blueberries, nectarine and grapes in representative production areas in Serbia.”
Claim · model-written summary
Harmonia axyridis and native coccinellids co-occurred in 53.45% of aphid colony samples.
- Taxon
- plantsViridiplantaee0
- Interactor
- H. axyridisHarmonia axyridise0other
- Outcome
- co-occurred in aphid coloniese0
- Value
- 53.45%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Populations of H. axyridis and native coccinellids co-occurred in aphid colonies on many plants, i.e. in 53.45% of all samples.”