Efficacy of the larval parasitoid, Bracon hebetor Say. (Hymenoptera: Braconidae) on the greater wax moth larvae, Galleria mellonella (L.) (Lepidoptera: Pyralidae) under laboratory and field conditions

Adly, D.; Marzouk, W. M.

doi:10.1186/s41938-019-0193-x

Egyptian Journal of Biological Pest Control

Table 1 Mean numbers of dead larvae, infested areas, and numbers of infested tunnels/colony caused by the greater wax moth, G. mellonella in treated and untreated honeybee colonies

From: Efficacy of the larval parasitoid, Bracon hebetor Say. (Hymenoptera: Braconidae) on the greater wax moth larvae, Galleria mellonella (L.) (Lepidoptera: Pyralidae) under laboratory and field conditions

Month	Week	No. of dead larvae/wax combs		Infested areas of larvae (inch²)/wax combs		No. of infested tunnels/wax combs
Month	Week	Treated	Untreated	Treated	Untreated	Treated	Untreated
September, 2018	1st week	88.0 ± 2.0	10	17.3 ± 2.52	60	13.7 ± 1.53	75
	^2nd week	94.7 ± 1.53	37	55 ± 13.75	87	5.3 ± 0.58	35
	3rd week	93.0 ± 4.0	42	55.7 ± 35.44	104	8.3 ± 2.89	85
	4th week	90.0 ± 2.0	31	3.3 ± 0.58	11	1.0 ± 1.0	42
Mean/month		91.43 ± 0.95^B	30 ± 14.07	32.8 ± 12.48^A	65.5 ± 40.6	7.1 ± 0.72^A	59.25 ± 24.47
October	1st week	83.0 ± 3.0	30	0.3 ± 0.58	15	2.0 ± 2.0	11
	2nd week	83.0 ± 3.61	34	1.7 ± 2.89	10	1.3 ± 1.15	18
	3rd week	91.3 ± 2.52	42	2.3 ± 0.58	33	2.3 ± 1.53	35
	4th week	95.3 ± 2.08	31	2.7 ± 4.62	18	1.7 ± 2.08	10
Mean/month		88.15 ± 1.89^BC	34.25 ± 5.44	1.75 ± 1.15^BC	19.0 ± 9.9	1.83 ± 0.3⁸	18.5 ± 11.56
November	1st week	88.7 ± 1.53	32	5 ± 4.58	16	0.0 ± 0.0	11
	2nd week	89.7 ± 0.58	40	14.0 ± 7.55	53	1.7 ± 2.89	26
	3rd week	87.3 ± 3.06	48	0.0 ± 0.0	21	0.3 ± 0.58	10
	4th week	84.7 ± 3.21	29	0.7 ± 1.15	18	0.3 ± 0.58	12
Mean/month		87.6 ± 0.88^C	37.25 ± 8.54	4.93 ± 1.01^B	27.0 ± 17.5	0.6 ± 0.58^C	14.75 ± 7.54
December	1st week	84.7 ± 2.08	54	0 ± 0.0	20	0.3 ± 0.58	12
	2nd week	85.7 ± 3.06	32	0.7 ± 1.15	27	0.0 ± 0.0	16
	3rd week	95.7 ± 1.53	54	0 ± 0.0	29	0.0 ± 0.0	20
	4th week	99.3 ± 1.15	82	0 ± 0.0	2	0.0 ± 0.0	18
Mean/month		91.35 ± 0.72^B	55.5 ± 20.49	0.18 ± 0.29^C	19.5 ± 12.3	0.1 ± 0.14^D	16.5 ± 3.42
January, 2019	1st week	93.3 ± 4.04	79	0 ± 0.0	22	0.0 ± 0.0	11
	2nd week	93.3 ± 6.11	80	0.3 ± 0.58	13	0.0 ± 0.0	14
	3rd week	100.0 ± 0.00	93	0 ± 0.0	4	0.0 ± 0.0	7
	4th week	92.7 ± 2.52	84	0 ± 0.0	2	0.0 ± 0.0	4
Mean/month		94.83 ± 1.13^BC	84 ± 6.38	0.075 ± 0.144^C	10.3 ± 9.2	0.0 ± 0.0^D	9 ± 4.40
February	1st week	97.3 ± 2.52	77	0 ± 0.0	25	0.3 ± 0.58	23
	2nd week	98.0 ± 2.0	67	1.3 ± 1.15	13	0.3 ± 0.58	23
	3rd week	94.7 ± 2.52	81	0.3 ± 0.58	12	0.0 ± 0.0	8
	4th week	99.7 ± 0.58	91	0 ± 0.0	8	0.3 ± 0.58	5
Mean/month		97.43 ± 1.46^A	79 ± 9.93	0.4 ± 0.144^C	14.5 ± 7.33	0.23 ± 0.25^D	14.75 ± 9.60
General mean		91.8 ± 3.79^a	53.3 ± 23.54^b	6.7 ± 2.03^b	25.9 ± 20.16^a	0.2 ± 0.15^b	22.1 ± 18.46^a
L.S.D _(0.05)		3.341		2.43		0.328

Means in the same row or the same column which have the same letter, are not significantly differed at 0.05 level of probability

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