Identifying avian malaria vectors: sampling methods influence outcomes

Carlson, Jenny S.; Walther, Erika; TroutFryxell, Rebecca; Staley, Sarah; Tell, Lisa A.; Sehgal, Ravinder N. M.; Barker, Christopher M.; Cornel, Anthony J.

doi:10.1186/s13071-015-0969-0

Parasites & Vectors

Table 1 Total number of collected and of Plasmodium and Haemoproteus positive mosquitoes per trap type

From: Identifying avian malaria vectors: sampling methods influence outcomes

		Collecting Year 2011						Collecting Year 2012
		Totals by trap type						Totals by trap type
Mosquito Species (Species codes for CA)		EVS	Gravid	RB	Net	E	N	EVS	Gravid	RB	N
Cx. stigmatosoma
	Total trapped	12	326	0	4	31	373	12	306	0	318
(Cx_stig)
	Total of positives	0	27, 1^a	0	0	1	28, 1 ^a	1	24	0	25
Cx. tarsalis
	Total trapped	207	1	15	31	62	316	143	0	3	146
(Cx_tar)
	Total of positives	7	0	1	1, 1^a	2^a	9, 3 ^a	6	0	0	6
Cx. restuans
	Total trapped	7	97	0	9	10	123	1	42	0	43
(Cx_res)
	Total of positives	1^a	1	0	0	1	2, 1 ^a	0	1	0	1
Cx. pipiens
	Total trapped	110	103	3	43	4	263	61	227	0	288
(Cx_pip)
	Total of positives	0	0	0	1^a	0	1 ^a	0	3	0	3
Cx. erythrothorax		105	18	2	56	8	189	106	2	0	108
	Total trapped
(Cx_ery)
	Total of positives	0	0	0	0	0	0	0	0	0	0
Cx. thriambus
	Total trapped	0	12	0	0	3	15	6	38	0	44
(Cx_thr)
	Total of positives	0	0	0	0	0	0	0	0	0	0
Cs. impatiens
	Total trapped	0	2	0	0	1	3	1	0	0	1
(Cs_imp)
	Total of positives	0	0	0	0	0	0	0	0	0	0
Cs. incidens
	Total trapped	1	0	0	1	0	2	2	2	1	5
(Cs_inc)
	Total of positives	0	0	0	0	0	0	0	0	0	0
Cs. inornata
	Total trapped	1	1	0	4	0	6	2	0	0	2
(Cs_ino)
	Total of positives	0	0	0	0	0	0	0	0	0	0
Cs. particeps
	Total trapped	61	17	38	113	1	230	9	0	1	10
(Cs_par)
	Total of positives	1, 2^a	0	1	0	0	2, 2 ^a	0	0	0	0
Ae. sierrensis
	Total trapped	3	0	1	0	0	4	0	0	0	0
(Ae_sie)
	Total of positives	0	0	0	0	0	0	0	0	0	0
Ae. vexans
	Total trapped	42	0	0	274	0	316	7	1	0	8
(Ae_vex)
	Total of positives	1^a	0	0	3^a	0	4 ^a	0	0	0	0
Ae. washinoi
	Total trapped	0	0	4	4	0	8	1	0	0	1
(Ae_was)
	Total of positives	0	0	0	0	0	0	0	0	0	0
An. freeborni
	Total trapped	3	0	36	28	0	67	9	3	9	21
(An_fre)
	Total of positives	1^a	0	0	0	0	1 ^a	0	0	0	0
An. punctipennis
	Total trapped	8	0	30	110	0	148	10	0	8	18
(An_pun)
	Total of positives	0	0	0	1^a	0	1 ^a	0	0	0	0
Totals for all species
	Total trapped	560	577	129	677	120	2063	370	621	22	1013
	Total of positives	8, 5^a	28, 1^a	2	1, 6^a	2, 2^a	41, 14 ^a	7	28	0	35

Numbers of each mosquito species collected and total of individuals positive in their thoraxes for Plasmodium spp. and for Haemoproteus spp. (indicated by superscripted ‘a’) are provided for each trap type. In the column that lists each mosquito species also provides the abbreviation that is used for the Correspondence Analysis (CA) in Fig. 3. Numbers collected and total of positive individuals are reported for 2011 and 2012 (bolded N = overall number of individuals per species collected in all trap types and overall number of positive individuals per collecting year).
The abbreviations for each trap type are as follows:
EVS encephalitis virus surveillance traps baited with CO₂, G gravid traps used with grass infused water as an attractant, RB red boxes serving as a resting box, Net agricultural net containing coolers with dry ice as a source of CO2 or birds, E ehrenberg trap baited with a pigeon

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ISSN: 1756-3305

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