Table 2. Instar, level of engorgement and host of Ixodes scapularis and Ixodes pacificus ticks submitted through passive surveillance, Canada, 2019^a,b.

Characteristic	Tick species
	Ixodes scapularis		Ixodes pacificus
	n	%	n	%
Instar
Larva	27	0.3	3	0.4
Nymph	795	8.1	23	3.3
Adult female	8,719	89.0	647	93.8
Adult male	256	2.6	17	2.5
Total	9,797	100	690	100
Level of engorgementc
Fully engorged	113	1.2	N/A	N/A
Partially engorged	4,188	42.8	N/A	N/A
Unfed	5,485	56.0	N/A	N/A
Total	9,786	100	N/A	N/A
Host
Human	8,870	90.3	652	94.4
Dog	761	7.7	37	5.4
Cat	119	1.2	1	0.1
Otherd	72	0.7	1	0.1
Total	9,822	100	691	100

Abbreviation: N/A, not applicable

^a Data are presented for all ticks where available, regardless of whether the tick was part of a single or a multiple submission

^b No passive surveillance was conducted in Yukon, Northwest Territories or Nunavut for I. scapularis or I. pacificus ticks. Passive tick surveillance has been discontinued in the entire province of Nova Scotia, and some regions of Ontario and Québec; however, individuals could submit ticks directly to the National Microbiology Laboratory Branch from these jurisdictions

^c Level of engorgement was not reported for I. pacificus

^d Includes environment, horse, rabbit, deer, skunk and other unspecified animal