Abstract: Among the recorded 4 species of ticks, Dermacentor silvarum is dominant during April May in various habitats, especially in scrub area. The seasonal peak of it appears at the first ten-days of May, and is replaced by Haemaphsalis during June-July. The seasonal peaks of Ixodes persulcatus and Hamaephysalis japonica appear at the third ten-days of May. Oniy the quantitative peak of Haemaphysalis coninna appears at the third ten-days of June. Among the various investigated rats, Dermacentor silbarum is the dominant tick on is the dominant tick on Cricellus barabensis, Apodemus agearius, A.spesciousus and C. triton. The parasitic rate and index of Ixodes porsulcatus on the 5 rat spcies are higher than other tick species in the investigated area.

Key words: Ji’nan, solar greenhouse, cucumber, tomato, sweet pepper, soil nutrient, accumulation characteristics