Exercise 18: Superfamily Filarioidea

Question 1

occur in the right ventricle and pulmonary artery of dogs

Answer 1

Dirofilaria immitis

Question 2

long slender white worms

Answer 2

Dirofiaria immitis

Question 3

Females are viviparous

Answer 3

Dirofilaria immitis

Question 4

occur in circulatin blood

Answer 4

microfilariae L3

Question 5

nodules on the wall of the thoracic aorta of cattle

Answer 5

Elaeophora poeli

Question 6

Intermediate host of D. immitis

Answer 6

Mosquitoes: Culex, Aedes, Anopheles

Question 7

male is spirally coiled

Answer 7

Elaephora poeli

Question 8

primarily in the peritoneal cavity of horses. May also be found in the pleural cavity, scrotum, lungs, and liver

Answer 8

Setaria equina

Question 9

Intermediate host of Setaria equina

Answer 9

mosquitos

Question 10

occur in peritoneal cavity of cattle and carabaos. Immature stages occur in the anterior chamber of the eye of cattle, carabaos, horses (cerebrospinal nematodiasis)

Answer 10

Setaria digita
Setaria labiato-papillosa
Setaria marshali

Question 11

occurs in subcutaneous connective tissue of cattle in the Philippines.

Answer 11

Parafilaria bovicola

Question 12

Intermediate hosts of Parafilaria bovicola

Answer 12

Musca spp (langaw)

Question 13

subq tissues in horses causing summer bleeding producing hemorrhagic nodules

Answer 13

Parafilaria multipapillosa

Question 14

IH of Parafilaria multipapillosa

Answer 14

Haematobia atripalpis

Question 15

occurs in lymphatic system of man causing Bancroft’s filariasis or elephantiasis

Answer 15

Wuchereria buncrofti