WebBothriocephalidea (phylum Platyhelminthes, class Cestoda) An order of parasitic worms which possess a relatively simple scolex. All members of the order inhabit three hosts … WebRegobothrium microhamulinum n. gen. and n. sp. (Bothriocephalidea: Bothriocephalidae) is proposed to accommodate a new cestode from flatfish Catathyridium jenynsii (Chabanaud, 1922) (Pleuronectiformes: Acharidae; type host) and another 3 freshwater fishes of the orders Characiformes, Cyprinodontiformes, and Siluriformes in the …

Two new species of Bothriocephalus Rudolphi, 1808 (Cestoda

The natural host of Bothriocephalus acheilognathi is the grass carp which is native to the Amur River in China and eastern Russia. But it has become widespread throughout the world by means of introductions of the grass carp. Even the type specimens were not native. It is now known to exist in Europe, … See more Bothriocephalus acheilognathi, also known as the Asian tapeworm, is a freshwater fish parasite that originated from China and Eastern Russia. It is a generalized parasite that affects a wide variety of fish hosts, … See more The parasite attaches near the anterior portion of the intestine, just posterior to the bile duct. An accumulation of tapeworms in this area leads to … See more The life cycle of B. acheilognathi involves a definitive host, a fish, and an intermediate host, a copepod. The adult tapeworm is hermaphroditic; each proglottid has a complete set of both male and female reproductive organs and produces eggs via … See more B. acheilognathi has a fleshy scolex (head region) with an undeveloped terminal disc and two long attachment grooves called bothria positioned … See more Bothriocephalus acheilognathi has more than twenty known synonyms. It was originally described as three species, all of them from non-native populations. In 1934, the Japanese helminthologist Satyu Yamaguti first described specimens from wild fish recovered … See more Studies have shown that B. acheilognathi decreases the size of fish worldwide causing great economic loss in hatcheries and fish farms. The Asian tapeworm was introduced globally … See more • Anindo Choudhury and Rebecca A. Cole. 2012. Chapter 32. "Bothriocephalus acheilognathi Yamaguti (Asian Tapeworm)". In: R.A. Francis (ed.). A Handbook of … See more WebNov 1, 2016 · Diagnosis of infection with Diphyllobothrium spp. is made by recognizing the characteristic operculum, light brown, undifferentiated eggs (58-76µm by 40-51µm) on sedimentation. Eggs may be detected by flotation but sedimentation is a more reliable technique. Eggs of D. latum and D. dendriticum cannot be differentiated morphologically. raymond wells florida

First Freshwater Bothriocephalidean (Cestoda) from Tropical South ...

WebJun 1, 2013 · Revision of the "Bothriocephalidea", based on literary data, study of type- and voucher specimens and extensive newly collected material made it possible to critically review the species composition of the group and to prepare a tentative list of its valid species. Expand. 40. WebJan 31, 2024 · The bothriocephalidean tapeworm Ptychobothrium belones (Dujardin, 1845) Lönnberg, 1889 is redescribed on the basis of new materials collected from the intestine … WebJul 13, 2015 · Maximum likelihood (ML) phylogram of the Bothriocephalidea resulting from the analysis of the concatenated four-gene dataset, where model parameters were estimated separately for … simplifying polynomials worksheet grade 9