Phylum Platyhelminthes: Family Dipylidiidae + Anoplocephalidae (Cram)

What genus species of tapeworm is commonly called the cucumber seed tapeworm, or the double pored dog tapeworm?

Dipylidium caninum

What are the definitive hosts of Dipylidium caninum?

Dogs and cats

What are the intermediate hosts of Dipylidium caninum?

Fleas and lice

What metacestode form is Dipylidium caninum?

Cysticercoid

What is notable about the shape of Dipylidium caninum proglottids?

Elongated proglottids (resemble grain of rice dry, cucumber seed fresh)

Are Dipylidium caninum pathogenic?

No

What are the Anoplocephala species?

1. Anoplocephala perfoliata

2. Anoplocephala magna

What are the definitive hosts of both Anoplocephala species?

Horses and donkeys

What are the intermediate hosts of both Anoplocephala species?

Grain mites

What is the metacestode form of Anoplocephala species?

Cysticercoid

What do the eggs of Anoplocephala species look like?

Square or triangular

What are the two genus species of the ruminant tapeworm?

1. Moniezia expansa

2. Moniezia benedini

What are the definitive hosts of Moniezia expansa?

Cattle, sheep, goats, and llamas

What is the definitive host of Moniezia benedini?

Cattle

What is the intermediate host of Moniezia benedini?

Grain mites

What is the metacestode form of Moniezia species?

Cysticercoid

What shape are Moniezia expansa eggs?

Triangular

What shape are Moniezia benedini eggs?

Square

What is the genus species of tapeworm commonly called the fringed tapeworm?

Thysanosoma actinoides

What are the definitive hosts of Thysanosoma actinoides?

Sheep, goats, and cattle

What is the suspected intermediate host of Thysanosoma actinoides?

Bark lice

What are the sites of Thysanosoma actinoides in the definitive host?

Small intestine, bile ducts, and pancreatic ducts

What is the metacestode form of Thysanosoma actinoides?

Cysticercoid

What is the only pathogenic tapeworm of Family Anoplocephalidae?

Thysanosoma actinoides causes liver problems