Table 4.
Number and species of ticks collected from animals and vegetation in Villeta town (November–December 2011 and July 2012)
| No. of individuals | Rickettsia infection* | ||||||
|---|---|---|---|---|---|---|---|
| Species of ticks | Source | M | F | N | L | Total | |
| Amblyomma cajennense s.l. | Horses | 35 | 26 | 7 | 1 | 69 | – |
| Dogs | 3 | – | – | – | 3 | – | |
| Cattle | 18 | 19 | 1 | – | 38 | Positive | |
| Vegetation | 2 | 2 | 158 | – | 162 | Positive | |
| Amblyomma ovale | Dogs | 1 | – | – | – | 1 | – |
| Amblyomma sp. | Vegetation | – | – | – | 222 | 222 | Positive |
| Dermacentor nitens | Horses | 61 | 120 | 50 | 10 | 241 | Positive |
| Dermacentor sp. | Vegetation | – | – | – | 64 | 64 | – |
| Ixodes luciae | Didelphis marsupialis | 14 | 11 | – | – | 25 | – |
| Ixodes sp. | D. marsupialis | – | 2 | – | – | 2 | – |
| Rhipicephalus microplus | Cattle | 9 | 31 | 2 | – | 42 | Positive |
| Vegetation | – | – | – | 296 | 296 | Positive | |
| Rhipicephalus sanguineus s.l. | Dogs | 66 | 47 | 9 | – | 122 | – |
F = female adults; L = larvae; M = male adults; N = nymphs.
*
Positive for Rickettsia ompA or ompB genes.