EFFICIENCY OF ATTRACTORS AND TRAPS FOR CAPTURE OF SPOTTED-WING DROSOPHILA IN VINEYARDS<sup>1</sup>

BRILINGER, DAHISE; ARIOLI, CRISTIANO JOÃO; WERNER, SIMONE SILMARA; ROSA, JOATAN MACHADO DA; BOFF, MARI INÊS CARISSIMI

doi:10.1590/1983-21252021v34n410rc

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Agronomy • Rev. Caatinga 34 (4) • Oct-Dec 2021 • https://doi.org/10.1590/1983-21252021v34n410rc copy

EFFICIENCY OF ATTRACTORS AND TRAPS FOR CAPTURE OF SPOTTED-WING DROSOPHILA IN VINEYARDS¹

EFICÁCIA DE ATRATIVOS E ARMADILHAS NA CAPTURA DE DROSOFILA-DA-ASA-MANCHADA NA CULTURA DA VIDEIRA

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Pest monitoring is a practice that enables the estimation of populational density of insect-pests in crops. However, it requires the use of attractors and traps that present high efficiency. The objective of this work was to evaluate the efficiency of food attractors using different trap models for the capture of spotted-wing drosophila (Drosophila suzukii) insects, and the capture selectivity of these models in vineyards of Cabernet Sauvignon. The experiment was conducted in the 2018-2019 crop season, in São Joaquim, SC, Brazil. A randomized block design was used, in a $2 \times 4$ factorial arrangement consisted of two types of traps (PET bottle and plastic container), three attractors (SuzukiTrap®, Droskidrink, and Yeast), and distilled water as a control. The traps were distributed in a minimum distance of 15 m and fixed in the middle third of the plants. The collections and replacing of attractors were done with 21-day intervals. The data were analyzed through generalized linear models, using the Poisson distribution or Poisson with a dispersion parameter. All attractors tested captured adult D. suzukii insects. No significant differences were found between the trap types used. The findings of the present work showed that the trap plastic container with the Droskidrink attractor is the most suitable capture method to be used in monitoring programs for D. suzukii insects in commercial vineyards.

Keywords:
Drosophila suzukii ; Integrated pest management; Selectivity; Food attractors; Cabernet Sauvignon

Source of Variation	Drosophila suzukii			Insect Order
Source of Variation	Male	Female	Total	Diptera	Coleoptera	Hymenoptera
Block	0.7437	0.1385	0.3485	0.1631	<0.0001	0.0081
Trap (T)	0.1694	0.5821	0.5645	0.4831	0.2547	0.0012
Attractor (A)	0.2312	0.0307	0.8922	<0.0001	<0.0001	0.0002
$T \times A interaction$	0.1717	0.8458	0.4177	0.9015	0.0115	0.5551

Attractor	Drosophila suzukii			Diptera	Hymenoptera
Attractor	Male	Female	Total	Total	Total
Suzukii Trap®	$100.1 \pm {26.6}^{ns}$	$89.0 \pm 17.9 b$	$189.1 \pm {38.9}^{ns}$	$433.5 \pm 45.9 b$	$3.2 \pm 1.0 c$
Droskidrink	$137.0 \pm 16.5$	$157.8 \pm 6.9 a$	$294.8 \pm 22.4$	$804.0 \pm 45.3 a$	$7.5 \pm 1.9 b$
Yeast	$87.7 \pm 17.5$	$117.8 \pm 21.9 ab$	$205.6 \pm 36.6$	$732.5 \pm 157.1 ab$	$16.2 \pm 4.3 a$
Water	$0.0 \pm 0.0$	$0.0 \pm 0.0$	$0.0 \pm 0.0$	$0.5 \pm 0.5 c$	$0.0 \pm 0.0$

Attractor	Coleoptera		Lepidoptera
Attractor	PET bottle *	Plastic container **	PET bottle
SuzukiTrap®	$3.0 \pm 1.1 b A$	$2.0 \pm 40 c A$	$0.8 \pm 0.6 b$
Droskidrink	$12.7 \pm 3.6 a B$	$21.0 \pm 5.2 a A$	$0.8 \pm 0.7 b$
Yeast	$13.2 \pm 3.7 a A$	$10.5 \pm 1.6 b A$	$2.6 \pm 1.2 a$
Water	$0.0 \pm 0.0$	$0.0 \pm 0.0$	$0.0 \pm 0.0$

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EFFICIENCY OF ATTRACTORS AND TRAPS FOR CAPTURE OF SPOTTED-WING DROSOPHILA IN VINEYARDS1

EFICÁCIA DE ATRATIVOS E ARMADILHAS NA CAPTURA DE DROSOFILA-DA-ASA-MANCHADA NA CULTURA DA VIDEIRA

ABSTRACT

EFFICIENCY OF ATTRACTORS AND TRAPS FOR CAPTURE OF SPOTTED-WING DROSOPHILA IN VINEYARDS¹