Echinostomatidae Flashcards
Oral sucker surrounded by _____ which bears a single or double row of large spines
“Head collar”
-Elongate flukes with strong ventral sucker
-Tegument usually provided with scales or spines
-Pharynx esophagus & simple intestinal caeca is present
-Testes usually situated at posterior half of the body, ovary anterior to the testes
Echinostoma
Echinostoma are parasites of
Of intestine & bile duct of birds & mammals
Life cycle
Similar to F. hepatica but cercariae frequently enter another snail, amphibia or fish in which it encyst
Elongate flukes with strong ventral sucker
Eggs
Dark brown and operculated
Eggs
Dark brown and operculated
Greek word
Echinos- spine
Stoma- mouth
Species
Echinostoma revolutum
E. paraulum
E. ilocanum
Echinoparyphium recurvatum
Hypoderaeum conoideum
Echinochasmus perfoliatus
Isthmiophora melis
Def. Host of:
Echinostoma revolutum
E. paraulum
E. ilocanum
Echinoparyphium recurvatum
Hypoderaeum conoideum
Echinochasmus perfoliatus
Isthmiophora melis
-Duck, goose, aquatic birds, pigeon, fowl
-Duck, pigeon, man
-Man
-Domestic & wild duck, fowl, pigeon
-Duck, goose, swan, wild aquatic birds
-Dog, cat, fox, pig
-Cat, fox, polecat, mink, pine marten, badger, otter, weasel
Habitat:
Echinostoma revolutum
E. paraulum
E. ilocanum
Echinoparyphium recurvatum
Hypoderaeum conoideum
Echinochasmus perfoliatus
Isthmiophora melis
-rectum, caeca
-small intestine
-intestine
-duodenum
-post. small intestine
-intestine
-small intestine
Snail IH:
Echinostoma revolutum
E. paraulum
E. ilocanum
Echinoparyphium recurvatum
Hypoderaeum conoideum
Echinochasmus perfoliatus
Isthmiophora melis
-Stagnicola spp., Physa spp., Lymnea spp.,
-snail(?)
-Gyraulus convexiusculus
-Lymnea ovata
-Lymnea stagnalis
- Bulinus striatus japonicus
-Stagnicola emarginata angulata
Second IH:
Echinostoma revolutum
E. paraulum
E. ilocanum
Echinoparyphium recurvatum
Hypoderaeum conoideum
Echinochasmus perfoliatus
Isthmiophora melis
-Stagnicola, Physa, Lymnea, Vivipara, tadpoles
-Fish(?) snails (?)
-Pila luzonica, P. conica
-Frog (R. temporaria), snails (Valvata piscinalis)
-Tadpoles, frog
-Freshwater fish (Abramis brama*)
-tadpoles
