| cryptic species complexes in manipulative echinostomatid trematodes: when two become six. | summary: recent studies have shown that some digenean trematodes previously identified as single species due to the lack of distinguishing morphological characteristics actually consist of a number of genetically distinct cryptic species. we obtained mitochondrial 16s and nuclear its1 sequences for the redial stages of acanthoparyphium sp. and curtuteria australis collected from snails and whelks at various locations around otago peninsula, new zealand. these two echinostomes are well-known host ... | 2009 | 19091157 |
| equal partnership: two trematode species, not one, manipulate the burrowing behaviour of the new zealand cockle, austrovenus stutchburyi. | metacercariae of the trematode curtuteria australis (echinostomatidae) accumulate in the foot of the new zealand cockle austrovenus stutchburyi, severely impairing the cockle's ability to burrow under the sediments. this results in increased predation by birds on cockles, and thus enhanced transmission rates of the parasite to its bird definitive hosts. this host manipulation by the trematode is costly: fish regularly crop the tip of the foot of cockles stranded on the sediment surface, killing ... | 2004 | 15469620 |
| the marine limpet notoacmea scapha acts as a transmission sink for intertidal cercariae in otago harbour, new zealand. | marine limpets, notoacmea scapha, were collected from an intertidal mud flat in otago harbour, new zealand, and examined for infection with larval trematodes. three separate species of trematode (opecoelid sp. a, acanthoparyphium sp. a and curtuteria australis) were identified from the limpets, based on molecular evidence. this is the first report of these three trematodes in limpets, indicating that the latter are physiologically suitable second-intermediate hosts. however, based on ecological ... | 2011 | 20678293 |