Table 5.
Measurements (in μm) of Brachylaima metacercariae in Cornu aspersum from Thorigné-Fouillard (N = 10) and Arçais (N = 10), and comparison with the four Brachylaima species recorded in C. aspersum (B. aspersae, B. cribbi, B. llobregatensis, and B. mascomai) and with Brachylaima mesostoma. Measurements of B. aspersae and B. cribbi are reported from metacercariae found in C. aspersum [3, 53], those of B. llobregatensis and B. mascomai from the helicid Otala punctata [18, 42], and those of B. mesostoma from the hygromiid Helicopsis retowskii [57].
In C. aspersum
|
In O. punctata
|
In H. retowskii
|
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thorigné (N = 3) |
Arçais (N = 4) |
B. aspersae
|
B. cribbi
|
B. llobregatensis
|
B. mascomai
|
B. mesostoma
|
||||||||
Mean | Range | Mean | Range | Mean | Range | Mean | Range | Mean | Range | Mean | Range | Mean | Range | |
Body | ||||||||||||||
Length | 2046 | 2000–2126 | 2005 | 1832–2179 | 644 | 495–882 | 1152 | 625–1912 | 1243 | 982–1485 | 1321 | 604–1814 | 1323 | 896–1566 |
Width | 498 | 442–547 | 584 | 558–611 | 385 | 113–470 | 410 | 183–608 | 407 | 822–1485 | 419 | 248–648 | 512 | 400–648 |
Oral sucker | ||||||||||||||
Length | 225 | 211–232 | 289 | 274–316 | 156 | 130–180 | 174 | 113–223 | 195 | 105–299 | 196 | 105–299 | 226 | 190–259 |
Width | 263 | 263 | 268 | 253–284 | 150 | 125–173 | 163 | 108–203 | 179 | 137–235 | 182 | 100–235 | 223 | 175–265 |
Ventral sucker | ||||||||||||||
Length | 263 | 253–274 | 237 | 221–253 | 140 | 113–163 | 137 | 100–180 | 169 | 145–235 | 173 | 132–235 | 174 | 148–212 |
Width | 249 | 221–263 | 234 | 221–253 | 126 | 103–158 | 153 | 103–198 | 159 | 131–224 | 162 | 101–224 | 190 | 162–217 |
Pharynx | ||||||||||||||
Length | 144 | 137–147 | 134 | 105–158 | 96 | 80–113 | 81 | 54–113 | 87 | 66–132 | 88 | 66–132 | 123 | 101–132 |
Width | 172 | 147–189 | 129 | 126–137 | 100 | 30–190 | 97 | 60–140 | 120 | 92–158 | 121 | 92–158 | 122 | 111–132 |