Animal Parasitology Lab. Biol 4426L

Lab. #12.

Arthropods

Phylum Arthropoda (Text pages 491-623)

Subphylum Crustacea (Text pages 513-545)

Class Maxillapoda

Subclass Copepoda (Text pages 513-525)

Cyclops sp.

Slide: whole mount

- What is the general body shape?

- How many legs does it have? How many antennae?

- This is the intermediate host for Diphyllobothrium latum. What other parasites use this copepod as an intermediate host?

Learnea cyprinacea

Slide: whole mount

- What is the host of this parasite?

- Which is the anterior end? The posterior?

- What is the common name of this parasite?

- How does this parasite attach to the host?

Brachiella thynni

Whole animal in vial

- What is the host of this parasite?

- Which is the anterior end? The posterior?

- What features distinguish this parasite?

- Where on the body of the host does this parasite attach?

Subclass Branchiura (Text pages 526-527)

Argulus japonicus

Slide: whole mount

- Locate the major attachment organs in this parasite. What are they?

- How many pairs of legs does it have?

- What are the major body divisions?

- What is the host of this parasite?

Class Malacostrica

Order Amphipoda

Paracyamus sp. whale louse –

Whole animal in vial

- What is the host for this parasite?

- Where on the host does it attach?

- What is the general body shape of this parasite?

- How many legs does it have?

Order Isopoda - Parasites of gills and skin of marine fishes

Anilocra haemuli

Whole animal in vial

- What is the host for this parasite?

- Where on the host does it attach?

- What does it eat?

- Which specimen is the male? Juveniles?

Subphylum Uniramia

Class Insecta

Order Anoplura - lice

Pediculus humanus capitus - the human head louse (Text pages 540-541)

Slide: Adult

- How many legs does this parasite have?

- What is the general body shape?

- What is the shape of the last segment of the second pair of legs?

- This parasite is found where on the body of the host?

- This parasite along with the body louse are vectors of endemic typhus and relapsing fever.

Pediculus humanus corporis - the human body louse (Text pages 540-541)

Slide: egg

- Be sure to be able to identify this egg

Phthirus pubis - the crab louse (Text pages 541-542)

Slide: Adult

- How many legs does this parasite have?

- What is the general body shape?

- What is the shape of the last segment of the second leg?

- This parasite is usually found Where on the body of the host?

Order Siphonaptera – fleas (Text pages 553-563)

Pulex irritans - the human flea (Text page 557)

Slide: Adult

- What is the body shape of this insect?

- How many legs does it have?

- This is the vector of plague. Are there cases of plague now?