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15 Cards in this Set

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What are members of the order Strongylida referred to as?

Strongyles (bursate nematodes)



Features of Strongyles

Round and compact


Buccal capsule


Male nematode has a copulatory bursa

Superfamilies of order Strongylida

Trichonstrongyloidea


Strongyloidea


Metastrongyloidea


Ancylostomatoidea

Life cycle of order Strongylida

Direct


Egg - L1 - L1 - [L3] - L4 - Male/female

Common name of Trichostrongyloidea

Trichostrongyles

Common name of Strongyloidea

Strongyles

Common name of Metastrongyloidea

Lungworms

Common name of Ancylostomatoidea

Hookworms

Features of Superfamily Trichostrongyloidea (Trichostrongyles)
Vestigial buccal capsule
Copulatory bursa
Usually found in SI or stomach
Direct life cycle
Economically important
Genera of Trichostrongyles in the abomasum of ruminants
Haemonchus
Ostertagia
Trichostrongylus axei
Genera of Trichostrongyles in the small intestine of ruminants
Trichonstrongylus
Cooperia
Nematodirus
Genera of Trichonstrongyles in the air passages of ruminants
Dictyocaulus
Common name and main host for members of Trichostrongylus genus
Black scour worm

Sheep

Common name and main host for members of Cooperia genus
Wire worm
Cattle
Common name and main host for members of Nematodirus genus
Thin–necked intestinal worm
Sheep/cattle