VPAR 132 Laboratory Midterm

Identify species, common name, I. H., D.H., and organ location

Fasciola gigantica

IH: Lymnaea auricularia rubiginosa

DH: Ruminants

Organ: Liver

Fasciola hepatica

DH: Ruminants

Organ location: liver

note: development of ‘shoulders’

Fascioloides magna

IH: Fossaria spp., Lymnaea bulimoides teckela, Pseudosucinea, Columella, Stagnicola spp.

DH: cattle, horses, sheep, pigs, and deer

Organ location: liver

Give scientific name and parasite

Lymnaea auricularia rubiginosa

IH of Fasciola spp.

Fasciolopsis buski

IH: Planorbis and Segmentina

DH: man and pigs

Organ location: small intestine

Give scientific name and parasite

Planorbis spp.

IH of Fasciolopsis buski

Fischoederius elongatus

DH: cattle and carabaos

Organ location: rumen

note: simple caeca and end at the middle of the body

Fischoederius elongatus

DH: cattle and carabaos

Organ location: rumen

Fischoederius elongatus

DH: cattle and carabaos

Organ location: rumen

note: simple caeca and end at the middle of the body, tandem testes, ovary in midline

Fischoederius cobboldi

DH: cattle

Organ location: rumen

Fischoederius cobboldi

DH: cattle

Organ location: rumen

Carmyerius

DH: ruminants

Organ location: rumen

note: horizontally-lined testes, uterus middle

Gastrothylax spp.

DH: ruminants

organ location: rumen

note: horizontally-lined testes, uterus crosses midline from one side to another

Velasquezotrema brevisaccus

DH: water buffaloes

organ location: rumen

note: ventral pouch extends only to the middle half

Calicophoron calicophorum

DH: ruminants

Organ location: rumen and reticulum

Explanatum explanatum

DH: ruminants

Organ location: liver and bile ducts

note: enormous acetabulum

Orthocoelium spp.

Orthocoelium spp.

Cotylophoron spp.

note: presence of genital sucker

Gastrodiscus aegyptiacus

DH: horses, pigs

Organ location: Large and small intestine

note: saucer-shaped

Homalogaster paloniae

DH: cattle

Organ location: large intestine

Amphistome egg

Cotylophoron spp.

note: presence of genital sucker

Schistosoma japonicum

IH: Oncomelania quadrasi

DH: man and domestic animals

Organ location: portal and mesenteric vessels

What is the long ventral organ in male Schistosomas in which the female is carried during copulation

Gynaecophoric canal

Larval stage of which species? Type?

Cercariae of S. japonicum, furcocercous

Give scientific name and parasite

Oncomelania quadrasi

Parasite of Schistosoma japonicum

Eurytrema pancreaticum

1st IH: land snails (Bradybaena spp., Cathaica ravida sieboldtiana)

2nd IH: grasshoppers and tree cricket

DH: cattle, water buffalo and sheep

Organ location: pancreatic duct

note: tongue-like caudal appendage

Eurytrema pancreaticum

1st IH: land snails (Bradybaena spp., Cathaica ravida sieboldtiana)

2nd IH: grasshoppers and tree cricket

DH: cattle, water buffalo and sheep

Organ location: pancreatic duct, sometimes bile duct

note: tongue-like caudal appendage

Eurytrema escuderoi

1st IH: land snails (Bradybaena spp., Cathaica ravida sieboldtiana)

2nd IH: grasshoppers and tree cricket

DH: cattle & water buffaloes

Organ location: pancreatic ducts

note: caudal appendage not distinct. spherical vitelline follicles

Eurytrema escuderoi

1st IH: land snails (Bradybaena spp., Cathaica ravida sieboldtiana)

2nd IH: grasshoppers and tree cricket

DH: cattle & water buffaloes

Organ location: pancreatic ducts

note: caudal appendage not distinct. spherical vitelline follicles

Eurytrema coelomaticum

1st IH: land snails (Bradybaena spp., Cathaica ravida sieboldtiana)

2nd IH: grasshoppers and tree cricket

DH: cattle & water buffaloes

Organ location: pancreatic ducts

note: vitellaria consist of small “tuldok-tuldok” round follicles

Eurytrema coelomaticum

1st IH: land snails (Bradybaena spp., Cathaica ravida sieboldtiana)

2nd IH: grasshoppers and tree cricket

DH: cattle & water buffaloes

Organ location: pancreatic ducts

note: vitellaria consist of small “tuldok-tuldok” round follicles

Dicrocoelium dendriticum

!st IH: land snails (Zebrina detrita and Cionella lubrica)

2nd IH: ants (Formica and Protoformica)

DH: ruminants, deer, rarely pigs and man

Organ location: bile ducts

Platynosomum fastosum

1st IH: snail (Sublima octona)

2nd IH: lizard (Anolis cristatelus) and isopod crustaceans

Common name of Dicrocoelium dendriticum

Lancet fluke

Common name of Platynosomum fastosum

Cat liver fluke

Opisthorchis felineus

DH: dogs, cats, pigs, man

Organ location: bile ducts, rarely in pancreatic ducts and small intestine

Opisthorchis sinensis

DH: dogs, cats, pigs, man

Organ location: bile ducts, rarely in pancreatic ducts and duodenum

note: branched testes

Opisthorchis obsequens

DH: domestic ducks

Organ location: bile ducts and liver

Common name of Opisthorchis sinensis

Oriental/ Chinese liver fluke

Metorchis caintaensis

DH: rail (Rallus philippensis philippensis)

Organ location: intestines

Give genus name and parasite

Vivipara spp.

IH of Opisthorchis sinensis

Give genus name and parasite

Melania spp.

IH of Opisthorchis sinensis

Paragonimus westermani

1st IH: snail (Brotia asperata)

2nd IH: crab (Sundathelphusa philippina) and shrimps

DH: pigs, dogs, cats, cattle, goats, wild carnivores, and man

Organ location: lungs

note: lobed testes and ovary

Give species name and parasite

Brotia aspirata

IH of Paragonimus westermani

Echinostoma revolutum

DH: ducks, geese, fowl, pigeons, man

Organ location: intestine and ceca

note: head collar

Prosthogonimus spp.

DH: birds

Organ location: Bursa of Fabricius and oviduct

note: genital pore is located anteriorly beside the oral sucker

Philophthalmus spp.

DH: birds

Organ location: conjunctival sacs

note: large ventral sucker in the middle part

Common name of Philophthalmus spp.

eye fluke

Cyclocoelium spp.

DH: wild aquatic birds

Organ location: body and nasal cavities

note: intestinal caeca reunite posteriorly

Tanasia spp.

DH: wild chicken (Gallus gallus gallus)

Organ location: kidney

note: no ventral sucker

Notocotylus spp.

DH: aquatic birds

Organ location: intestine and ceca

note: ventral glands

Spirometra erinacei

1st IH: Freshwater copepods (Cyclops spp.)

2nd IH: frog, snake, birds, mammals

DH: dogs and cats, carnivores

Organ location: small intestine

note: spiral uterus

Give genus and parasite

Cyclops spp.

1st IH of Spirometra spp.

Diphyllobothrium latum

1st IH: freshwater copepods (Diaptomus gracilis)

2nd IH: freshwater fish

DH: dogs, cats, fish-eating mammals, man

Organ location: small intestine

note: roseate uterus

Spirometra erinacei

1st IH: Freshwater copepods (Cyclops spp.)

2nd IH: frog, snake, birds, mammals

DH: dogs and cats, carnivores

Organ location: small intestine

note: wrinkled side of body

Common name of Diphyllobothrium latum

Broad-fish tapeworm of man

Egg of which parasite?

Spirometra spp. egg

note: pointed both ends

Diphyllobothrium latum

1st IH: freshwater copepods (Diaptomus gracilis)

2nd IH: freshwater fish

DH: dogs, cats, fish-eating mammals, man

Organ location: small intestine

note: less wrinkled

whose egg is this hehe

Paragonimus westermani

note: thick-shelled and operculated

Anoplocephala spp.

IH: Oribatid mites

DH: horses

Organ location: small and large intestine

Thysanosoma actinioides

IH: oribatid mites

DH: ruminants

Moniezia expansa

IH: oribatid mites (Galumna, Oribatula, Peloribates)

DH: sheep and goats

Organ location: small intestine

note: roseate interproglottidal glands

Common name of Moniezia expansa

Double-pored tapeworm of sheep and goats

Moniezia benedini

IH: oribatid mites (Galumna, Oribatula, Peloribates)

DH: cattle and carabaos

Organ location: small intestine

note: interproglottidal glands arranged in short linear series

Moniezia egg

Thysanosoma actinioides

IH: oribatid mites

DH: ruminants

Hymenolepis diminuta

DH: rats, mice, and man

note: 3 testes and unilateral genital pore

Avitellina spp.

IH: Psocids

DH: ruminants

Raillietina tetragona

IH: ants (Pheidole & Tetramorium)

DH: fowls

Raillietina echinobothridia

IH: red ants (Tetramorium caespitum, Pheidole pallidula etc.)

DH: fowls

note: circular suckers with large hooks

Raillietina cesticillus

IH: beetles (Calathus, Amara etc.)

DH: fowls

note: broad and flatenned rostellum

Dipylidium caninum

IH: Ctenocephalides canis & felis (fleas), Trichodectes canis, Heterodoxus spiniger & longitarsus (biting lice)

DH: dogs and cats

Dipylidium caninum

IH: Ctenocephalides canis & felis (fleas), Trichodectes canis, Heterodoxus spiniger & longitarsus (biting lice)

DH: dogs and cats

Dipylidium caninum egg

Taenia solium

DH: pig and man

note: muscular suckers and rostellum with double row of hooks

name of larval stage and of which parasite?

Cysticercus cellulosae of Taenia solium

name of larval stage and of which parasite? give the organ.

Cysticercus cellulosae of Taenia solium in pig muscle

Taenia spp. egg

Also give the stage of segment of proglottid

Taenia saginata/ immature

DH: man

Taenia pisiformis

IH: rabbits and hares

DH: dogs, wild carnivores, cat (occasionally)

Cysticercus tenuicollis of Taenia spp.

name of larval stage and of which parasite? give the organ.

Cysticercus pisiformis of Taenia pisiformis.

Found in liver/ peritoneal cavity of rabbits/ hares

name of larval stage and of which parasite?

Cysticercus pisiformis of Taenia pisiformis.

Taenia pisiformis

IH: rabbits and hares

DH: dogs, wild carnivores, cat (occasionally)

Echinococcus granulosus

IH: various mammals, including man (lungs and liver)

DH: dogs and other wild Canids

name of larval stage and of which parasite?

hydatid cyst of Echinococcus granulosus

Ascaris suum

DH: pigs

note: tail bent ventral strongly

Ascaris suum

DH: pigs

note: tail bent ventral strongly

Ascaris suum/ suis

DH: pigs

note: tail bent ventral strongly

Parascaris equorum

DH: horses

note: lips are distinctly marked off from the rest of the body

Parascaris equorum

DH: horses

note: lips are distinctly marked off from the rest of the body

give species name and sex

Ascaris lumbricoides, female

give species name and sex

Ascaris lumbricoides, male

Parascaris egg

note: brown color, no mammillation

Ascaris egg

note: thick, coarsely mammillated shell (bumps)

Parascaris equorum

DH: horses

note: lips are distinctly marked off from the rest of the body

Toxascaris leonina

DH: dogs and cats

note: lanceolate cervical alae

give species name and sex

Ascaris spp., female

give species name and sex

Ascaris spp. male