Monitoring records for brassica pests at Wellesbourne 2022

The numbers of pest insects captured in 3 yellow water traps at Wellesbourne are shown below

Date	Male cabbage root fly	Female cabbage root fly	Cabbage root fly eggs	Pollen beetle	Flea beetles	Cabbage stem weevil	Cabbage seed weevil	Cabbage stem flea beetle	Small white butterfly	Large white butterfly
22 November	0	0	0	1	1	0	0	0	0
15 November	0	0	0	7	6	8	0	0	0	0
8 November	1	1	0	1	4	1	0	0	0	0
1 November	1	1	0	3	7	7	0	0	0	0
25 October	0	3	0	2	1	4	0	0	0	0
21 October	5	2	2	1	3	3	0	1	0	0
18 October	11	5	0	0	2	3	0	0	0	0
14 October	3	10	1	3	2	17	0	0	0	0
11 October	22	12	4	3	2	2	0	0	0	0
7 October	22	17	7	0	2	0	0	0	0	0
4 October	35	41	13	4	11	11	0	0	0	0
30 September	107	62	21	0	6	0	0	0	0	0
27 September	188	75	30	0	11	0	0	0	0	0
23 September	322	69	26	2	8	0	0	1	0	0
20 September	558	59	87	3	13	0	0	2	0	0
16 September	620	117	13	0	19	0	0	2	0	0
13 September	452	94	7	0	104	0	0	11	0	0
9 September	240	57	24	3	170	0	0	4	0	0
6 September	339	68	82	12	253	1	0	5	0	0
1 September	142	29	39	8	312	0	0	0	1	0
30 August	65	44	43	29	351	0	0	4	0	0
26 August	43	66	29	4	208	0	0	0	0	0
23 August	50	67	31	3	263	1	0	0	0	0
19 August	10	15	9	41	1,070	3	0	5	0	0
16 August	29	17	3	70	2,400	3	0	13	1	0
12 August	11	3	10	61	2,150	1	0	16	1	0
9 August	5	6	10	30	8,500	0	0	11	0	0
5 August	4	9	19	67	718	4	0	0	0	0
2 August	22	28	26	119	655	33	0	9	0	0
29 July	19	17	30	156	795	43	0	5	0	0
26 July	19	17	35	300	301	92	0	3	0	0
22 July	14	18	22	221	426	50	0	7	0	0
19 July	26	12	12	191	215	37	0	27	0	0
15 July	16	8	32	367	178	71	4	10	0	0
12 July	65	27	23	336	563	96	4	18	0	2
8 July	52	17	45	443	86	393	0	4	0	0
5 July	94	51	23	506	17	189	2	0	0	0
1 July	31	24	22	1264	16	15	0	0	0	0
28 June	33	18	25	537	38	33	0	1	0	0
24 June	6	4	10	2415	101	189	3	2	0	0
21 June	4	2	4	4650	32	28	2	0	0	0
17 June	5	2	0	1168	64	159	11	8	0	0
14 June	0	2	0	802	41	58	6	0	0	0
10 June	4	2	0	226	66	117	18	2	0	0
7 June	2	6	1	306	41	106	15	3	0	0
31 May	0	3	1	186	59	60	8	0	0	0
27 May	0	1	0	19	4	6	0	1	0	0
24 May	4	2	0	70	118	41	15	0	0	0
20 May	7	0	0	214	163	31	5	4	1	0
17 May	21	2	2	150	185	63	8	6	0	0
13 May	32	2	1	18	21	2	1	1	0	0
10 May	40	2	2	88	215	47	5	5	0	0
6 May	25	1	6	106	141	22	o	6	0	0
3 May	10	2	5	114	20	20	4	1	0	0
29 April	8	1	2	41	6	13	1	0	0	0
26 April	44	4	4	22	7	5	0	0	0	0
22 April	17	2	-	29	8	14	0	1	0	0
19 April	57	2	-	200	22	27	15	4	0	0
12 April	4	0	-	36	8	2	1	0	0	0
5 April	2	0	-	3	4	0	0	0	0	0
29 March	0	0	-	229	92	73	3	0	0	0
22 March	0	0	-	233	25	27	0	0	0	0

Life Sciences Warwick Crop Centre

Monitoring records for brassica pests at Wellesbourne 2022

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