Exercise 5: Echinostomatidae

Question 1

Flukes of this family is characterized by

Answer 1

-oral sucker surrounded by “head collar”
-bears single/ double row of large spines

Question 2

Echinostoma revolutum
-Habitat & DH
-IH
-2nd IH
-morph

Answer 2

-intestine and caeca of ducks
-Lymnea and Physa snails
-snails of the same species or another species

-head collar
-laterally bearing spines
-spiny tegument
-strong vs, not far ang small os
-testes: elongate oval, slightly lobed, tandem formation behind ovary
-vitellaria fill the sides of the body
-egg: operculated, brown

Question 3

Echinostoma paraulum

-Habitat & DH
-IH
-2nd IH
-morph

Answer 3

-small intestine of ducks/pigeons
-Lymnea/Physa

Question 4

Echinostoma recurvatum

-Habitat & DH
-IH
-2nd IH
-morph

Answer 4

-duodenum of ducks

Question 5

Hypoderaeum conoideum

Answer 5

Post. small intestine

Question 6

Philophthalmus problematicus

-Habitat
-DH

Answer 6

-conjunctival sac
-chicken

Question 7

Philopthalmus rizalensis

-Habitat
-DH

Answer 7

-conjuctival sac
-ducks

Question 8

Prosthogonimus cuneatus

-Habitat
-DH

Answer 8

-Bursa of fabricius
-domestic chicken

Question 9

Prosthogonimus pseudopellucidus

-Habitat
-DH

Answer 9

-BoF
-domestic chicken

Question 10

Cyclocoelium

-Habitat
-DH

Answer 10

-Body cavities, nasal cavities, air sac
-wild aquatic birds

Question 11

Tanasia

-Habitat
-DH

Answer 11

-kidney
-wild chicken (Gallus gallus gallus)

Question 12

Notocotylus intestinalis

-Habitat
-DH

Answer 12

-intestine
-chicken/duck

-absence of ventral sucker
-3 rows of ventral glands

Question 13

Notocotylus naviformis

-Habitat
-DH

Answer 13

-intestine
-ducks

-absence of ventral sucker
-3 rows of ventral glands