On a new Telorchis sp. with a redia inside the miracidium

Adult and miracidium of Telorchis lucknowensis n. sp. from the intestine of Kachuga kachuga in India have been described. The new species is characterised by length of oesophagus, ratio of cirrus sac and metraterm, position of ovary, extension of vitellaria, and the unusual size of eggs containing a miracidium with a well developed redia. This is the first report on the occurrence of miracidia containing a redia in Plagiorchiata. The non-oculate miracidium has bullet shaped body, 2 pairs of penetration glands, and one pair of flame cells. The redia is elongate oval in shape with well developed pharynx, short gut and germ balls.