Table 4 SFGR minimum field infection rates (MFIR) for ticks collected from four southwestern provinces of Chungcheongnam, Chungcheongbuk, Jeollanam and Jeollabuk in the Republic of Korea during 2013 by species of tick using the partial 17 kDa and ompA genes by nPCR
Collected ticks | Developmental stage | No. of ticks/(no. of tested pools) | nPCR positive no. of Rickettsia sp. (MFIR)a | |
|---|---|---|---|---|
17 kDa | ompA | |||
H. longicornis | Larvab | 4,296 (109) | 38 (0.88) | 33 (0.77) |
Nymphc | 123 (31) | 8 (6.50) | 7 (5.70) | |
Adult (male)d | 7 (5) | 4 (57.10) | 4 (57.10) | |
Adult (female)d | 45 (23) | 2 (4.40) | 2 (4.40) | |
Subtotal | 4,471 (168) | 52 (1.16) | 46 (1.03) | |
H. flava | Larva | 1,291 (50) | 0 | 0 |
Nymph | 263 (38) | 1 (0.38) | 0 | |
Adult (male) | 11 (7) | 0 | 0 | |
Adult (female) | 17 (13) | 0 | 0 | |
Subtotal | 1,582 (108) | 1 (0.06) | 0 | |
I. nipponensis | Larva | 401 (17) | 1 (0.25) | 1 (0.25) |
Nymph | 5 (4) | 0 | 0 | |
Adult (male) | 11 (7) | 3 (27.2) | 3 (27.2) | |
Adult (female) | 14 (7) | 3 (21.4) | 3 (21.4) | |
Subtotals | 431 (35) | 7 (1.62) | 7 (1.62) | |
Totals | 6,484 (311) | 60 (0.93) | 53 (0.82) | |