Captures by the network of traps run by the Rothamsted Insect Survey are shown below:

Myzus persicae	Inverness	Dundee	Edinburgh	Ayr	Newcastle	FERA, York	Preston	Kirton	Broom's Barn	Wellesbourne	Hereford	Rothamsted	Writtle	Ascot	East Malling	Starcross	Total
Week ending																	0
07-Apr					0	0		0	0	0	0	0	0	0	0	0	0
14-Apr					0	0		1	1	0	1	3	0	0	2	1	9
21-Apr					0	0		0	2	0	0	0	1	0	0	1	4
28-Apr		0	0		0	0		1	2	1	1	0	2	1	0	3	11
05-May		0	0	0	0	1		2	5	5	8	6	8	1	5	4	45
12-May					1	1		14	16	23	6	3	14	2	0	2	82
19-May		1	1	0	3	6		6	4	5	8	3	17	0	3	2	59
26-May	0	0	0	0	0	1		2	1	10	9	6	1	0	1	0	31
02-Jun	0	0	1	0	1	0		1	2	0	2	1	1	0	1	0	10
09-Jun	0	2	0	0	0	0		0	1	0	1	1	3	0	5	0	13
16-Jun	0	0	0	0	0	0		0	2	0	1	1	1	0	1	0	6
23-Jun	0	0	0	0	1	3		2	1	0	0	1	0	0	0	1	9