Study area and species	Flea load	NDVI	Catch per unit effort (animal/100 trap days)	Winter precipitation (cm)	Prior growing season precipitation (cm)	Days over 85°F	Elevation (m)
South Dakota BTPD
Buffalo Gap‐1	1.70 (3.12)	5317.54 (584.82)	31.63 (16.72)	6.27 (4.15)	28.49 (2.73)	42.00 (6.99)	827
Buffalo Gap‐2	1.72 (2.96)	5107.97 (956.53)	30.07 (12.78)	6.27 (4.15)	28.49 (2.73)	42.00 (6.99)	822
Lower Brule	5.33 (8.06)	4406.52 (471.8)	13.3 (5.89)	8.22 (4.64)	33.06 (7.43)	45.00 (11.74)	545
Wind Cave	2.82 (6.05)	5514.27 (582.37)	19.79 (4.56)	9.6 (1.92)	37.35 (7.8)	30.33 (6.28)	1150
Montana BTPD
Charles M. Russell‐1	1.59 (2.19)	4083.27 (488.76)	22.6 (11.00)	5.23 (2.1)	26.57 (7.82)	43.25 (8.15)	832
Charles M. Russell‐2	1.52 (2.3)	4038.79 (814.46)	32.33 (22.16)	5.23 (2.1)	26.57 (7.82)	43.25 (8.15)	860
Charles M. Russell‐3	2.81 (3.4)	2627.61 (494.11)	35.48 (13.54)	5.23 (2.1)	26.57 (7.82)	43.25 (8.15)	725
Charles M. Russell‐4	2.02 (2.6)	4442.67 (623.66)	31.18 (9.39)	5.23 (2.1)	26.57 (7.82)	43.25 (8.15)	720
Charles M. Russell‐5	4.84 (7.19)	3252.76 (782.12)	43.28 (15.36)	4.19 (1.00)	29.70 (6.21)	45.67 (8.07)	706
Texas BTPD
Rita Blanca‐1	7.50 (5.9)	2763.77 (225.61)	29.05 (14.77)	2.38 (1.23)	19.30 (5.86)	80.67 (9.48)	1325
Rita Blanca‐2	6.58 (3.46)	2954.04 (566.05)	28.56 (6.82)	7.82 (3.59)	28.10 (5.19)	105.00 (4.1)	1220
Arizona GPD
Espee Ranch	2.75 (4.38)	1975.38 (397.05)	10.34 (5.34)	6.01 (2.33)	16.45 (2.58)	50.75 (3.81)	1693
Utah UPD
Cedar City‐1	1.06 (2.1)	3672.56 (761.01)	13.99 (5.54)	7.34 (2.43)	18.78 (3.09)	70.00 (1.15)	1741
Cedar City‐2	1.43 (1.65)	2440.6 (380.76)	33.16 (35.78)	8.59 (2.1)	15.51 (4.53)	71.25 (1.91)	1805
Cedar City‐3	1.07 (1.43)	3799.53 (898.5)	13.24 (9.33)	6.81 (3.21)	15.11 (2.54)	40.00 (6.97)	1940
High elevation‐1	2.19 (6.34)	2220.44 (472.26)	7.48 (3.58)	11.07 (3.59)	19.66 (5.52)	0 (0)	2575
High elevation‐2	2.36 (3.61)	3259.92 (747.25)	8.52 (4.71)	18.57 (1.99)	28.91 (3.04)	0 (0)	2797
High elevation‐3	4.36 (6.84)	3054.9 (412.94)	11.57 (7.69)	18.57 (1.99)	28.91 (3.04)	0 (0)	2772
High elevation‐4	1.33 (2.89)	4045.04 (685.55)	8.94 (6.00)	18.57 (1.99)	28.91 (3.04)	0 (0)	2864
Utah WTPD
Coyote Basin‐1	2.12 (5.88)	1989.68 (241.82)	8.17 (7.77)	7.62 (3.42)	11.4 (7.07)	67.43 (11.62)	1627
Coyote Basin‐2	1.79 (6.53)	1729.71 (243.86)	7.59 (5.93)	8.38 (3.83)	12.92 (7.84)	68 (10.88)	1672
Wyoming WTPD
Pitchfork Ranch‐1	0.44 (1.10)	3412.5 (626.96)	14.33 (10.1)	9.53 (1.19)	22.45 (8.44)	3.75 (2.66)	2130
Pitchfork Ranch‐2	0.48 (1.25)	2921.04 (504.49)	8.29 (5.63)	9.53 (1.19)	22.45 (8.44)	3.75 (2.66)	2087