horse worms (1-strongyles)
Worm Size (CM) Location Anterior Posterior
M F
Physaloptera

2-5

Stomach Cuticular collar ♂ - Large caudal alae
Ancylostoma tubaeformae 1 1.2 SI

Large and bent forward
3 teeth

Bursa
Uncinaria 0.9 1.2 SI

Large and bent forward
Cutting plates

♂ Bursa
Toxocara cati 3-10 SI

3 lips
Broad cervical alae

♂ - Digitiform
Toxascaris leonina

7-10

SI

3 lips
Narrow cervical alae

♂ - Tapered
Strongyloides stercoralis n/a 0.3 SI

Long pharynx

Dipylidium caninum Long SI

Cestode
Cucumber shaped segments each with 2 genital pores

Spirometra erinacea Long SI

Cestode
Zipper worm - central genital pores

Dirofilaria immitis 7-12 Heart

Boring