Worms and Vectors

What is the genus for roundworms? What symptoms do they cause?

• Ascaris

• Causes pneumonia, malnutrition, fever, and vomiting

• intestinal blockage and peritonitis (redness and swelling of the abdominal lining)

• Can crawl out of body openings

• Eosinophilia

What is the genus for pinworms? What symptoms does it cause?

• Enterobius

• Common in children

• Itching and discomfort around the anus, rectal prolapse, and malnutrition in children

what is the genus for hook worms? what symptoms does it cause?

• Necator

• Ground itch at the larval penetration site

• pneumonia and anemia

• abdominal pain and bleeding, loss of appetite

• eosinophilia

What are the symptoms of Toxocara?

• coughing and fever

• abdominal pain

• Headaches, changes in behavior, insomnia

What is the genus for whipworms? What symptoms does it cause?

• Trichuris

• Anemia, intestinal bleeding, and malnutrition

• severe cramps and a prolapsed rectum

What is the genus for liver flukes? what symptoms does it cause?

• Fasciola hepatica

• fever, abdominal pain, hepatomegaly (liver swelling), and jaundice

What is the genus for tapeworms? what symptoms does it cause?

• Taenia

• Eggs are found in cow meat

• causes malnutrition or weight loss and diarrhea

• abdominal pain or blockage

What is the genus and species of the pork tapeworm? What symptoms does it cause?

• Trichinella spiralis

• fever, muscle pain, weakness

• problems chewing, swallowing, or breathing

• Death from heart or kidney failure

What is the genus of the wood tick? What disease does it cause?

• Dermacentor

• Rocky mountain spotted fever

What is the genus of the deer tick? What disease does it cause?

• Ixodes

• Lyme disease

What is the genus of head lice? what disease does it cause?

• Pediculus

• Relapsing fever

• typhus

What is the genus for crab lice? What disease does it cause?

• Phthirus

• Relapsing fever and typhus

What is the genus for fleas? What disease do they cause?

• Pulex

• plague

What is the genus for a mosquito? what disease can it cause?

• Culex can cause encephalitis

• Anopheles can cause malaria

What is the genus for the assassin/kissing bug? What disease can it cause?

• Rhodnius

• Chaga’s disease

What is the genus for a bedbug? What symptoms can it cause?

• Cimex

• Painful, itchy bites

What are the genus and species for the itch mite? What diseases does it cause?

• Sarcoptes scabiei

• Scabies in humans, mange in animals

What organism is this?

Ascaris/roundworm eggs

What organism is this?

Enterobius (pinworms) eggs

What organism is this?

Necator (hookworms) eggs

What organism is this?

Toxocara

What organism is this?

Toxocara

What organism is this?

Trichuris

What organism is this?

Fasciola hepatica

What region of Taenia is this?

• Scolex or the head

• It attaches the tapeworm to the intestines, allowing it to feed from its host

What organism is this?

Taenia (tapeworm)

What region of Taenia is this?

Scolex

What region of Taenia is this?

Proglottids, the body segment that grows

What organism is this?

Trichinella spiralis

What organism is this?

Trichinella spiralis

what organism is this?

Trichinella spiralis

What organism is this?

Pediculus (head lice)

What organism is this?

Phthirus (crabs)

What organism is this?

Phthirus (crabs)

What organism is this?

Sarcoptes scabiei (scabies mite)

What organism is this?

Sarcoptes scabiei (scabies mite)

What organism is this?

Sarcoptes scabiei (scabies mite)

What organism is this?

Pulex (flea)

What organism is this?

Pulex (flea)

What organism is this?

Rhodnius (assassin/kissing bug)

What organism is this?

Cimex (bedbug)

What organism is this?

Dermacentor (wood tick)

What organism is this?

Dermacentor (wood tick)

What organism is this?

Ixodes (deer tick)