Table 4.
Morphometric variables (range and mean values in millimeters) of Ornithodoros rietcorreai larvae from Paraíba (♂PB × ♀PB homologous cross; n = 10); Piauí (♂PI × ♀PI homologous cross; n = 10); Paraíba × Piauí (♂PB × ♀PI heterologous cross; n = 10); and Piauí × Paraíba (♂PI × ♀PB heterologous cross; n = 7) utilized in the principal components analysis (PCA)
|
O. rietcorreai
Paraíba |
O. rietcorreai
Piauí |
O. rietcorreai
Paraíba × Piauí |
O. rietcorreai
Piauí × Paraíba |
|
|---|---|---|---|---|
| Body lengtha | 0.723–0.784 (0.758) | 0.742–0.841 (0.797) | 0.732–0.762 (0.748) | 0.723–0.782 (0.754) |
| Body lengthb | 0.396–0.465 (0.439) | 0.435–0.475 (0.457) | 0.416–0.445 (0.435) | 0.435–0.475 (0.456) |
| Body width | 0.372–0.411 (0.393) | 0.386–0.465 (0.414) | 0.346–0.416 (0.381) | 0.366–0.416 (0.393) |
| Dorsal plate: length | 0.256–0.293 (0.269) | 0.268–0.305 (0.281) | 0.254–0.273 (0.263) | 0.256–0.278 (0.264) |
| Dorsal plate: width | 0.151–0.188 (0.167) | 0.185–0.219 (0.197) | 0.163–0.195 (0.179) | 0.166–0.195 (0.172) |
| Dorsal setae pairs: total | 14 | 14 | 14 | 14 |
| Dorsal setae pairs: dorsolateral | 11 | 11 | 11 | 11 |
| Dorsal setae pairs: central | 3 | 3 | 3 | 3 |
| Central setae 1: length | 0.063–0.085 (0.076) | 0.073–0.090 (0.081) | 0.073–0.085 (0.079) | 0.078–0.085 (0.082) |
| Central setae 2: length | 0.068–0.075 (0.072) | 0.068–0.075 (0.071) | 0.068–0.075 (0.071) | 0.071–0.085 (0.079) |
| Central setae 3: length | 0.075–0.088 (0.081) | 0.063–0.083 (0.078) | 0.078–0.093 (0.085) | 0.075–0.090 (0.084) |
| Sternal setae 1: length | 0.051–0.063 (0.057) | 0.063–0.073 (0.069) | 0.056–0.068 (0.061) | 0.061–0.068 (0.063) |
| Sternal setae 2: length | 0.051–0.061 (0.057) | 0.061–0.068 (0.064) | 0.056–0.063 (0.058) | 0.054–0.066 (0.061) |
| Sternal setae 3: length | 0.056–0.066 (0.060) | 0.066–0.075 (0.070) | 0.053–0.066 (0.060) | 0.058–0.073 (0.064) |
| Circumanal setae 1: length | 0.053–0.061 (0.056) | 0.056–0.071 (0.061) | 0.051–0.061 (0.057) | 0.051–0.063 (0.056) |
| Circumanal setae 2: length | 0.058–0.073 (0.063) | 0.065–0.075 (0.071) | 0.058–0.073 (0.065) | 0.066–0.073 (0.069) |
| Circumanal setae 3: length | 0.073–0.085 (0.076) | 0.078–0.085 (0.082) | 0.078–0.083 (0.079) | 0.075–0.087 (0.081) |
| Posteromedian setae: length | 0.041–0.049 (0.044) | 0.044–0.051 (0.045) | 0.036–0.056 (0.042) | 0.041–0.048 (0.044) |
| Postcoxal setae: length | 0.053–0.073 (0.063) | 0.058–0.071 (0.063) | 0.053–0.061 (0.059) | 0.053–0.073 (0.063) |
| Length of basis capitulic | 0.129–0.134 (0.133) | 0.136–0.149 (0.144) | 0.112–0.134 (0.126) | 0.124–0.142 (0.134) |
| Length of basis capitulid | 0.154–0.171 (0.158) | 0.158–0.173 (0.169) | 0.134–0.158 (0.146) | 0.149–0.158 (0.153) |
| Length of capitulume | 0.362–0.396 (0.380) | 0.376–0.406 (0.390) | 0.362–0.382 (0.376) | 0.366–0.386 (0.374) |
| Width of basis capituli | 0.185–0.195 (0.191) | 0.197–0.210 (0.204) | 0.171–0.190 (0.182) | 0.183–0.219 (0.200) |
| Palpal length | 0.264–0.294 (0.278) | 0.268–0.288 (0.277) | 0.256–0.274 (0.262) | 0.267–0.287 (0.276) |
| Length article I | 0.049.0.061 (0.054) | 0.058–0.061 (0.059) | 0.049–0.061 (0.053) | 0.049–0.061 (0.056) |
| Length article II | 0.083–0.100 (0.092) | 0.083–0.085 (0.084) | 0.085–0.100 (0.094) | 0.083–0.097 (0.089) |
| Length article III | 0.088–0.107 (0.100) | 0.097–0.100 (0.098) | 0.097–0.110 (0.104) | 0.098–0.107 (0.100) |
| Length article IV | 0.036–0.044 (0.039) | 0.039–0.044 (0.041) | 0.039–0.046 (0.041) | 0.034–0.044 (0.039) |
| Width article I | 0.027–0.039 (0.030) | 0.027–0.029 (0.028) | 0.027–0.029 (0.028) | 0.027–0.032 (0.028) |
| Width article II | 0.034–0.044 (0.038) | 0.034–0.036 (0.035) | 0.036–0.039 (0.037) | 0.034–0.036 (0.035) |
| Width article III | 0.024–0.032 (0.028) | 0.029–0.034 (0.031) | 0.027–0.032 (0.029) | 0.031–0.034 (0.032) |
| Width article IV | 0.019–0.024 (0.022) | 0.019–0.022 (0.020) | 0.019–0.022 (0.021) | 0.019–0.022 (0.020) |
| Hypostome: lengthf | 0.232–0.254 (0.247) | 0.237–0.256 (0.249) | 0.236–0.246 (0.240) | 0.227–0.241 (0.236) |
| Hypostome: lengthg | 0.190–0.210 (0.202) | 0.202–0.212 (0.206) | 0.207–0.224 (0.213) | 0.188–0.202 (0.196) |
| Hypostome: width at midlength | 0.039–0.046 (0.043) | 0.041–0.051 (0.046) | 0.043–0.049 (0.044) | 0.041–0.046 (0.043) |
| Hypostome: width at the base | 0.044–0.053 (0.049) | 0.044–0.056 (0.050) | 0.046–0.058 (0.051) | 0.040–0.056 (0.050) |
| Apical dental formula | 3 | 3 | 3 | 3 |
| Median dental formula | 3 | 3 | 3 | 3 |
| Basal dental formula | 2 | 2 | 2 | 2 |
| Denticles in hypostomal row 1 | 20 to 21 | 18 to 20 | 20 to 22 | 20 to 22 |
| Denticles in hypostomal row 2 | 20 to 21 | 18 to 19 | 19 to 21 | 20 to 22 |
| Denticles in hypostomal row 3 | 12 to 15 | 13 to 14 | 13 to 16 | 13 to 15 |
| Tarsus I: length | 0.158–0.190 (0.167) | 0.190–0.202 (0.195) | 0.146–0.158 (0.155) | 0.166–0.171 (0.168) |
| Tarsus I: width | 0.049–0.061 (0.056) | 0.061–0.068 (0.063) | 0.049–0.061 (0.056) | 0.058–0.063 (0.061) |
aIncluding capitulum
bNot including capitulum
cLength of basis capituli: measured from the posterior margin of basis capituli to posthypostomal setae 1 (Ph1)
dLength of basis capituli: measured from the posterior margin of basis capituli to insertion of hypostome
eLength of capitulum: measured from the posterior margin of basis capituli to the anterior end of hypostome
fMeasured to Ph1
gMeasured to the posterior end of the toothed portion