| host preferences and temporal trends of the tick ixodes angustus in north-central alberta. | we examined host preferences and temporal trends of the tick ixodes angustus on small mammals in north-central alberta. small mammals were live-trapped from 1 june to 29 september 1994 and 3 may to 30 june 1995 in mature aspen (populus tremuloides) forest near lac la biche, alberta. abundance of female i. angustus was high in early may (0.90 +/- 0.20 [se]) and peaked again in late june (0.58 +/- 0.16), whereas abundance of immature i. angustus peaked (1.2 +/- 0.35) in mid-july. red-backed voles ... | 1998 | 9794628 |