Effects of climatic changes on olive fly, Bactrocera oleae (Rossi) population dynamic with respect to the efficacy of its larval parasitoid in Egyptian olive trees

Abd El-Salam, Ahmed Mohamed Ezzat; Salem, Sadek Abdel-Wahed; Abdel-Rahman, Ragab Shaker; El-Behery, Hoda Hassan; Magd Elden, Mona Ahmed

doi:10.1186/s42269-019-0220-9

Bulletin of the National Research Centre

Table 1 Numbers of the olive fly, Bactrocera oleae and P. concolor parasitoid that recording in the two regions during 2016/2017 seasons

From: Effects of climatic changes on olive fly, Bactrocera oleae (Rossi) population dynamic with respect to the efficacy of its larval parasitoid in Egyptian olive trees

Date of inspection	Kom Oshem El-Fayoum		% Parasitism	Wadi El-Natrun El-Behera		% Parasitism
Date of inspection	Avg. no. B. oleae larvae/100 fruit ± SE	Avg. no. P. concolor	% Parasitism	Avg. no. B. oleae larvae/100 fruit ± SE	Avg. no. P. concolor	% Parasitism
First season
1 June 2016	12.0 ± 1.14	2.0	16.7	42.0 ± 2.07	3.0	7.1
15 June 2016	15.0 ± 2.07	3.0	20.0	54.0 ± 6.3	5.0	9.3
1 July 2016	19.0 ± 2.75	2.0	10.5	58.0 ± 3.19	6.0	10.3
15 July 2016	31.0 ± 2.50	3.0	9.6	61.0 ± 5.18	4.0	6.6
1 August 2016	45.0 ± 4.9	4.0	8.9	62.0 ± 6.63	5.0	8.1
15 August 2016	48.0 ± 3.61	4.0	8.3	74.0 ± 3.78	4.0	5.4
1 September 2016	51.0 ± 2.04	3.0	5.9	76.0 ± 3.67	2.0	2.6
15 September 2016	32.0 ± 3.14	4.0	12.5	79.0 ± 7.95	20.0	2.5
1 October 2016	24.0 ± 2.51	5.0	20.8	68.0 ± 7.66	20.0	29.4
15 October 2016	22.0 ± 1.04	3.0	13.6	40.0 ± 5.0	15.0	37.5
1 November 2016	13.0 ± 1.41	1.0	7.7	25.0 ± 1.87	6.0	24.0
15 November 2016	1.0 ± 0.0	0.0	0.0	20.0 ± 1.41	2.0	10.0
1 December 2016	0.0 ± 0.0	0.0	0.0	0.0 ± 0.0	0.0	0.0
15 December 2016	0.0 ± 0.0	0.0	0.0	0.0 ± 0.0	0.0	0.0
Second season
1 June 2017	22.0 ± 2.02	3.0	13.6	38.0 ± 2.21	6.0	15.8
15 June 2017	24.0 ± 3.19	3.0	12.5	42.0 ± 1.51	9.0	21.4
1 July 2017	25.0 ± 3.4	2.0	8.0	70.0 ± 6.78	15.0	21.4
15 July 2017	26.0 ± 1.7	2.0	7.7	73.0 ± 5.54	20.0	27.4
1 August 2017	45.0 ± 2.36	4.0	8.9	95.0 ± 2.98	25.0	26.3
15 August 2017	52.0 ± 6.1	4.0	7.7	99.0 ± 4.08	30.0	30.3
1 September 2017	57.0 ± 6.4	5.0	8.8	97.0 ± 1.04	33.0	34.0
15 September 2017	66.0 ± 5.4	8.0	12.1	99.0 ± 4.08	35.0	35.3
1 October 2017	28.0 ± 3.04	7.0	25.0	71.0 ± 3.2	28.0	39.4
15 October 2017	23.0 ± 3.05	4.0	17.4	39.0 ± 7.11	8.0	20.5
1 November 2017	11.0 ± 1.48	2.0	18.2	33.0 ± 2.12	7.0	21.2
15 November 2017	7.0 ± 1.76	1.0	14.3	19.0 ± 2.07	2.0	10.5
1 December 2017	1.0 ± 0.0	0.0	0.0	8.0 ± 1.14	1.0	12.5
15 December 2017	0.0 ± 0.0	0.0	0.0	0.0 ± 0.0	0.0	0.0

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