Skip to main content
. 2023 Feb 16;11(2):493. doi: 10.3390/microorganisms11020493

Table 1.

Summary of quantitative data obtained from peer-reviewed publications for R. amblyommatis-infected wild ticks collected globally. This table includes the location in which they were collected, the species of tick, the infection prevalence, and the collection type. Studies were included if R. amblyommatis was confirmed through conventional PCR and sequencing analysis.

Location Species of Tick Infection Prevalence % a Collection Type Reference
AR, USA A. maculatum 28% (58/207) Off-host (white-tailed deer, dogs) [54]
AR, USA A. americanum 41.9% (463) b Vegetation [55]
AR, USA A. americanum, A. maculatum, I. scapularis, Amblyomma spp. NA c Off-host (white-tailed deer, dogs) [56]
AR, USA A. americanum 98% (42/43 pools) Flagging, CO2 Trapping [57]
FL, USA A. americanum 29% (391/1312) Flagging [58]
FL, USA A. americanum 29.5% (52/176) Dragging [50]
FL, USA A. americanum 38.0% (223/588) Dragging [51]
FL, USA A. americanum 57.1% (845/1479) Flagging [59]
FL, USA A. americanum 37.1% (56/151) Flagging [47]
FL, USA A. americanum, D. variabilis 57.3% (63/110), 35% (6/17) Off-host (wild pig) [60]
FL, USA A. americanum, A. maculatum 27.8% (5/18), 16.7% (1/6) Black bears [61]
GA, USA A. americanum 0.52% (1/194) Dogs [62]
GA, USA A. americanum, D. variabilis, A. maculatum 27.5% (117/426), 1.4% (2/142), 9.1% (4/22) Off-host (humans) [53]
GA, USA A. americanum 87% of pools (519/598) Flagging [63]
GA, USA A. americanum 44.7% (315/704) Flagging [47]
Guam, Marianna Islands, USA A. breviscutatum, R. microplus 2.67% (3/112) Off-host (wild pig, Philippine deer) [64]
IA, USA A. americanum 57.9% (11/19) Flagging [47]
KS, USA A. americanum, D. variabilis 93% nymphal pools, 94% adult pools, and 4.7% (169) Dragging [65]
KY, USA A. americanum, D. variabilis 27.8% (30/108), 1.1% (2/179) Off-host (canine, hog, horse, raccoon, white-tailed deer, human) [66]
KY, USA D. variabilis 0.8% (1/124) Unknown e [67]
LA, USA A. americanum 60% (3/5) Off-host (black bears) [41]
MD, USA A. americanum 87.9% (29/33 pools), 90% (27/30 individuals) Flagging [68]
MD, USA A. americanum 64.50% d Dragging [69]
MO, USA A. americanum 3.2% (40/1269) Field surveillance [70]
MO, USA A. americanum, D. variabilis, I. scapularis 89% (24/27 pools), 100% (7/7 pools), 50% (1/2) Flagging [71]
MO, USA A. americanum 74% (213/288) Dragging, CO2 bait traps, Off-host (human) [72]
MS, USA A. americanum 92.4% (73/79) Dragging [73]
NC, USA A. americanum, A. maculatum, D. variabilis, I. scapularis 90.9% (412/453), 28.6% (2/7), 20% (1/5), 8.3% (1/12) Off-host (humans) [40]
NC, USA D. variabilis 29.3% (156/532) Flagging [74]
NC, USA A. americanum, D. variabilis 56.4% (871/1590), 11.1% (4/36) Flagging [75]
NC, USA A. americanum 55.2% (216/391) Flagging [47]
Northeast, USA D. variabilis 1.7% (3/181) Off-host (dogs) [76]
NJ, USA A. americanum 6.6% (8/121) Flagging [47]
NJ, USA A. americanum 25% (465/1858) Dragging [77]
NJ, USA A. americanum 20% (49/245) Sweeping vegetation [78]
NJ, USA A. americanum 12.8% (36/281) Dragging and standard walking [79]
NY, USA A. americanum 58.35% (394/676) Flagging [80]
NY, USA D. variabilis 8.3% (1/12) Unknown e [67]
NY, USA A. americanum 41.7% (198/475) Flagging [47]
OH, USA A. americanum 30.2% (93/308) Off-host (humans), Flagging [81]
OH, USA A. americanum 38% (8/21) Humans [82]
OK, USA A. americanum 10% (6/60) Flagging [47]
OK, USA A. americanum 33.6% (146/434) Unknown e [83]
OK, USA A. americanum 17.6% (123/700) Dry Ice Traps [84]
RI, USA A. americanum 47.4% (18/38) Flagging [47]
SC, USA A. americanum 11.7% (545) b Off-Vegetation [55]
SC, USA A. americanum 45.6% (36/79) Flagging [47]
SC, USA A. americanum, D. variabilis 80% (84/105), 66.7% (10/15) Off-host (Wild Pig) [60]
TN, USA A. americanum 16.6% (96) b Vegetation [55]
TN, USA A. americanum, D. variabilis 40% (255/655), 2.5% (14/555) Off-host (humans, wild animals, dogs) [85]
TN, USA A. americanum 4.9% (45/926) Dragging, CO2 baited trap [86]
TX, USA A. auricularium, A. geayi, A. longirostre 28.6% (2/7), 33.3% (1/3), 11.9% (5/42) Off-host (wild birds) [87]
TX, USA A. americanum, I. scapularis 50% (41/82), 1.47% (2/136) Dragging [88]
TX, USA A. americanum 100% (68/68 pools) Dry ice trapping, Dragging, and Flagging [89]
TX, USA A. inornatum 100% (3/3) Off-host (deer) [90]
TX, USA A. inornatum Unknown g CO2 Traps [91]
TX, USA A. americanum, A. cajennense 30.3% (179), 32.3% (10) f Off-host (humans) [92]
VA, USA A. americanum 72.8% (pools) Dragging [93]
VA, USA A. americanum 80.3% of pools d Flagging [94]
VA, USA D. variabilis 4.2% (9/214) Unknown e [67]
VA, USA A. americanum 19% (65/340) Dragging [95]
USA D. variabilis 0.1% (7/5286) Off-host (humans) [96]
USA A. americanum 80.5% (58/72 pools), 66.5% (244/367) Off-host (humans) [48]
Córdoba, Argentina A. neumanni 23.6 (13/55) Walking Survey, CO2 traps [97]
Northern Argentina A. neumanni 21% (3/14) Off-host and Flagging [98]
Salta, Argentina A. hadanii, A. neumannii 21.3% (27/127), 44.4% (8/18) Dragging [99]
Salta, Argentina A. tonelliae 1.47% (1/68) Dragging [100]
Argentina A. hadanii 1.6% (1/60) Vegetation and Off-host (cattle) [101]
Australia I. tasmani 28.2% (22/78) Off-host (koalas) [102]
Belize A. pacae 100% (1/1) Off-host (spotted paca) [103]
Belize A. cajennense, A. maculatum 55.1% (81/147), 66.7% (2/3) Off-host (dog) [104]
Acre, Brazil A. humerale 33.3% (1/3) of A. humerale Off-host (capybara) [105]
Acre, Brazil A. longirostre, A. geayi 62.5% (5/8), 50% (1/2) Off-host (wild birds) [106]
Acre, Brazil A. rotundatum 14.3% (1/7) Off-host (Amazon tree boa) [107]
Amazonas, Brazil A. humerale 2.17% (1/46) Off-host (tegu) [108]
Bahia, Brazil A. longirostre 15.4% (2/13) Off-host (wild birds) [109]
Bahia, Brazil A. longirostre, A. varium 24.4% (11/45), 20% (1/5) Off-host (wild birds) [110]
Bahia, Brazil A. longirostre 23.7% (9/38) Off-host (thin-spined porcupine and hairy dwarf porcupine) [111]
Bahia, Brazil A. auricularium, Ambylomma spp. larvae 57.5% (46/80) Off-host (gray short-tailed opossum, rodent, Brazilian three-banded armadillo) [112]
Espírito Santo, Brazil A. humerale 50% (5/10) Off-host (tortoise) [113]
Maranhão, Brazil A. cajennense 1% (1/100) Off-host (dogs) [114]
Maranhão, Brazil A. cajennense 16.7% (3/18) Off-host (horses) [115]
Mato Grosso, Brazil A. cajennense 0.45% (3/665) Off-host (horse, donkey) [116]
Mato Grosso, Brazil A. cajennense 31% (5/16 pools) Off-host (human) and flagging [117]
Mato Grosso, Brazil A. auricularium, A. cajennense 100% (1/1), 69.4% (136/196) Off-host (wild animals) [118]
Mato Grosso, Brazil A. cajennense, A. ovale 3.3% (5/152), 15.4% (2/13) Off-host (dogs) [119]
Mato Grosso, Brazil A. cajennense, A. coelebs 38.4% (10/26), 70% (7/10) Off-host [120]
Mato Grosso, Brazil A. sculptum 1.2% (1/85 pools) Off-host (Azara’s agouti) [121]
Mato Grosso, Brazil A. longirostre 45.5% (5/9) Off-host (wild birds) [122]
Mato Grosso, Brazil A. dubitatum 5% (1/20) Off-host (dog) [123]
Mato Grosso, Brazil A. cajennense, A. coelebs, A. humerale, Amblyomma spp. NA g Off-host (rodents, marsupials) [124]
Minas Gerais, Brazil A. longirostre (13/49; 26%) Off-host (wild birds) [125]
Pará, Brazil A. longirostre, A. humerale. 70% (7/10), 22.2 % (2/9) Off-host (wild animals) [118]
Pará, Brazil A. longirostre, A. geayi 56.7% (38/67), 57.1% (4/7) Off-host (birds) [126]
Paraíba, Brazil A. auricularium, A. longirostre 23.1% (3/13), 45.5% (10/22) Off-host (wild birds) [127]
Paraná, Brazil A. longirostre 32.3% (11/34) Off-host (wild Birds) [128]
Paraná, Brazil A. coelebs 1.9% (8/420) Off-host (ring-tailed coatis) [129]
Pernambuco, Brazil A. auricularium 20% (1/5) Off-host (rodent) [130]
Pernambuco, Brazil A. auricularium 53.3% (8/15) Off-host (skunk, rabbit) [131]
Pernambuco, Brazil A. pseudoconcolor 90.9% (10/11) Off-host (dog, six-banded armadillo) [132]
Rio Grande do Norte, Brazil A. auricularium 11.1% (14/126 individuals and pools) Off-host (white-eared opossum and xix-banded armadillo) [133]
Rio Grande do Sul, Brazil A. longirostre 66.7% (2/3) Off-vegetation, Dragging [134]
Rondônia, Brazil A. coelebs, A. cajennense 14.3% (1/7), 26.8% (11/41) Off-vegetation [135]
Rondônia, Brazil A. cajennense, A. oblongoguttatum 6.3% (2/32) + 2 pools, 16.7% (1/6) CO2 traps; drag flagging; off-vegetation [136]
Santa Catarina, Brazil A. longirostre 100% (1/1) Unknown e [137]
São Paulo, Brazil A. coelebs Unknown g Off-vegetation [138]
Brazil A. calcaratum, A. longirostre 50% (1/2), 12.3% (9/73) Off-host (wild Birds) [139]
Brazil A. sculptum 0.5% (1/200) Dragging [140]
Chile Ornithodoros sp. 100% (4/4) Off-host (rodent) [141]
Caldas, Colombia A. longirostre, A. varium, Ixodes sp. 6.67% (3/45), 66.6% (2/3), 11.1% (1/9) Off-host (wild Birds) [142]
Villeta, Colombia A. cajennense 9.1% (1/11) Off-host (humans) [143]
Costa Rica A. cajennense 66.7% (10/15) Off-host (horse) [144]
Costa Rica A. mixtum, A. ovale, D. nitens, R. sanguineus NA g Off-host (horses, cows, humans, dogs) and off-vegetation [145]
Costa Rica R. sanguineus 16.7% (1/6 pools) Off-host (dogs) [146]
Costa Rica A. longirostre, A. geayi 7.4% (4/54 pools), 3.7% (2/54 pools) Off-host (wild birds) [147]
Cuba A. mixtum 35.7% (5/14) Off-host (horses) [148]
Cuba A. mixtum, Amblyomma spp. 73% pools (422) f Off-host (horses and dogs) [149]
El Salvador A. mixtum, A. parvum, D. nitens, Amblyomma spp. 77% (10/13), 50% (8/16), 8% (1/13), 11% (1/9) Off-host (wild and domestic animals) [150]
Regina, French Guiana A. coelebs 15.4% (2/13) Off-host (white-lipped peccaries) [151]
French Guiana A. cajennense, many more 25% f, NA g,f Dragging, Flagging, Off-host [152]
Honduras A. longirostre, A. mixtum 14% (1/7), 80% (4/5) Off-host (wild birds, humans) [153]
Reynosa, Mexico R. sanguineus 1% (3/292) Off-host (domestic dogs) [154]
Mexico A. mixtum, A. oblongoguttatum, A. parvum 33.5% (59/176), 3.17% (2/63), 5.7% (3/53) Off-vegetation, Off-host (possum, ocelot, white-nosed coati) [155]
Mexico A. maculatum, A. mixtum 9.8% (5/51), 13.2% (17/129) Off-host (wild pigs) [156]
Mexico A. mixtum 50% (1/2) Off-host (iguana) [157]
Mexico A. mixtum 40% (2/5) Human [158]
Nicaragua A. ovale 100% (1/1 pools) Off-host (dogs) [146]
Pakistan R. microplus, H. anatolicum, and H. dromedarii 4%(21/514) f Off-host (buffalo, cattle, sheep, goat, donkey, camel) [159]
Panama A. mixtum, H. juxtakochi, Amblyomma spp. 27.8% (5/18), 4.3% (1/23), 8.2% (12/146 pools) Dragging [160]
Panama A. mixtum 94.1% (48/51) Off-host (tapir, horses) [42]
Panama A. cajennense, A. oblongoguttatum, A. ovale, R. sanguineus 86.4% (38/44), 50% (2/4), 27.9% (12/43), 3.1% (2/64) Off-host (dogs, horses, pig) [161]
Panama A. cajennense, D. nitens, R. sanguineus 36.7% (11/30), 27.4% (17/62), 12.3% (7/57) Off-host (horses, dogs) [162]
Panama A. mixtum, H. Juxtakochi, Immature Amblyomma spp. 27.8% (5/18), 4.6% (3/65), 11.5% (12/104) Dragging [160]
Paraguay A. longirostre 11.8% (2/17) Off-host (wild birds) [163]

a An infection prevalence % is calculated by dividing the number of ticks (in each species) reported to test positive for R. amblyommatis by the total number of ticks collected of that species and multiplying by 100. Values are listed in the respective order of the species listed in the species column. b Unable to locate the number of ticks infected in publication. c Unable to report infection prevalence % as not all positive tick samples were sequenced in this study. d This value is an average infection prevalence over a two-year period. e The publication did not specify the collection type. f The total number of ticks collected for each species not reported in the study. g Unable to calculate infection prevalence % with the information given in the study.