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

Macrosiphum euphorbiae	Inverness	Dundee	Edinburgh	Ayr	Newcastle	FERA, York	Preston	Kirton	Broom's Barn	Wellesbourne	Hereford	Rothamsted	Writtle	Ascot	East Malling	Starcross	Total
Week ending
07-Apr					0	0		0	0	1	0	0	0	0	0	1	2
14-Apr					0	0		1	0	0	0	0	0	0	0	0	1
21-Apr					0	0		0	0	1	0	0	0	0	1	0	2
28-Apr		0	0		0	0		0	1	6	1	0	1	0	0	2	11
05-May		0	0	0	0	3		5	2	21	15	4	3	1	3	0	57
12-May					0	9		1	3	23	14	2	1	2	4	0	59
19-May		1	3	0	0	2		4	1	8	5	1	2	0	4	1	32
26-May	0	0	0	1	1	2		1	3	3	1	2	3	0	1	1	19
02-Jun	0	2	0	0	0	2		0	0	1	0	0	0	0	0	1	6
09-Jun	0	0	0	0	0	1		0	1	1	1	0	1	0	1	0	6
16-Jun	0	0	0	0	1	0		1	0	1	0	0	0	0	0	2	5
23-Jun	0	0	1	0	1	2		0	1	4	2	2	2	0	1	2	18