Brachylaima spp. (Trematoda) parasitizing Cornu aspersum (Gastropoda) in France with potential risk of human consumption

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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

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