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Varroacide Effectiveness of Polyvar Yellow® (Flumethrin 275 mg) Preparation

Beata Bąk
Beata Bąk
, 
Jerzy Wilde
Jerzy Wilde
, 
Maciej Siuda
Maciej Siuda
 et 
Jakub Wilk
Jakub Wilk
   | 24 juin 2021
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Article Category: Short communication
Publié en ligne: 24 juin 2021
Pages: 189 - 193
Reçu: 21 janv. 2020
Accepté: 17 mars 2021
DOI: https://doi.org/10.2478/jas-2021-0011
Mots clés
© 2021 Beata Bąk et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Experimental design.
Experimental design.

Fig. 2

Average daily mite fall of the bee colony in individual groups from subsequent collected Varroa-sticky inserts.
Average daily mite fall of the bee colony in individual groups from subsequent collected Varroa-sticky inserts.

Fig. 3

Average infestation rate of bees with Varroa destructor (IR) [%] „before treatment” - IR0 and „after treatment” - IR1 with ranges
Average infestation rate of bees with Varroa destructor (IR) [%] „before treatment” - IR0 and „after treatment” - IR1 with ranges

The average daily fall of V. destructor on Varroa-sticky paper inserts and the average sum of fallen off parasites at various stages of the experiment in individual groups (with range and SD)

Group Stage I„before treatment” Stage II„treatment” Stage III„after treatment”
n Average daily fall of V. destructor (range, SD) Average no. of the parasite in the colony from the whole stage (range) n Average daily fall of V. destructor (range, SD) Average no. of the parasite in the colony from the whole stage (range) n Average daily fall of V. destructor (range, SD) Average no. of the parasite in the colony from the whole stage (range)
PY 10 14.50 (0.30–57.33) (24.38) 43.50 (1–172) 10 14.67 (0.30–88.86) (31.23) 1320.90 (61–5098) 10 1.44A (0.20–3.70) (1.00) 20.10A (2–45)
C 10 18.07 (0.30–23.66) (28.98) 54.20 (1–177) 9 15.76 (8.00–36.90) (29.14) 1418.22 (260–3688) 8 49.11B (14.20–157.30) (27.96) 687,00B (426–1233)

Varroacide effectiveness of PolyVar Yellow® [%] in individual treated colonies

group the ID of bee colony (PY group) Varroacide effectiveness of PolyVar Yellow® [%]
based on the mite fall on the Varroa-sticky board during the treatment and after treatment based on the infestation rate of bees with V. destructor before treatment and after treatment
PY 30 out* 89.80
31 out* 95.62
33 90.91 83.73
36 99.42 90.69
52 99.64 100.00
53 98.85 100.00
63 95.96 95.49
66 89.96 97.43
102 99.13 97.36
111 99.50 98.14
mean 97 95

Average daily fall of V. destructor per one bee colony on Varroa-sticky board in subsequent months of the “treatment” stage in individual groups

Group Average daily fall per one bee colony of V. destructor at the “treatment” stage (range, SD)
1st month 2nd month 3rd month
PY n=10 41.59 (0.69–104.97) (56.08) 2.38A (0.29–5.58) (1.95) 1.56A (0.67–3.02) (0.92)
C n=10 28.36 (2.27–97.38) (35.77) 21.92B (2.17–68.04) (19.27) 11.23B (3.24–26.05) (8.42)
eISSN:
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Langue:
Anglais
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Sujets de la revue:
Life Sciences, other, Zoology
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