Field-based assessments of the seasonality of Culex pipiens sensu lato in England: an important enzootic vector of Usutu and West Nile viruses

Table 1 Mosquito species collected at each study site in specific years

Genus	Species	Location of collection site and year of collection							Total
		ZSL	CZ				FL	TZ
		2021	2017	2018	2019	2021	2017	2021
Anopheles	claviger	6	2	4	2	2	0	0	16
	plumbeus	220	2	1	1	0	0	0	224
	maculipennis s.l	0	11	28	15	0	0	0	54
	Unknown	0	3	1	0	0	0	0	4
Aedes	annulipes	0	0	0	2	0	0	0	2
	detritus	0	0	0	1	0	0	0	1
	vexans	0	0	0	2	0	0	0	2
	geniculatus	3	0	0	0	0	0	0	3
Coquillettidia	richiardii	20	5	2	15	1	0	0	43
Culex	pipiens s.l./torrentium^a	2896	0	2278	2519	1390	0	1310	10,393
	pipiens s.l^b	NA	6163	NA	NA	NA	1124	0	7287
	torrentium^b	NA	48	NA	NA	NA	60	NA	108
	Unknown	0	927	126	304	0	90	NA	1447
Culiseta	annulata	134	276	128	71	29	31	21	690
	morsitans	0	3	12	4	0	0	0	19
	Unknown	0	21	13	27	0	1	0	62
Unknown		3	477	359	328	0	271	0	1438

Numbers in table are the number of mosquitoes of each species caught at each site in a specific collection year.
CZ Chester Zoo, Fl Flamingo Land, NA not applicable, s.l. sensu lato, TZ Twycross Zoo, ZSL Zoological Society of London
^aDifferentiation between Cx. pipiens and Cx. torrentium was not possible as only morphological identification was undertaken
^bMolecular methods were used to identify Cx. pipiens s.l. and Cx. torrentium

ISSN: 1756-3305