Is tsetse fly viviparous?
Tsetse flies are unique among insect disease vectors in that they are viviparous (bearing live young).
What is Glossina species?
Glossina species are tan or brown flies that range in length from 6 to 14 mm, excluding the proboscis. Members of the fusca group, which is considered phylogenetically primitive, are the largest, at 9.5–14 mm long. The palpalis and morsitans group species are small to medium in size, about 6.5–11 mm long.
What does Glossina transmit?
The Parasite
T.b. rhodesiense is transmitted mostly by Glossina morsitans, with wild game and domestic livestock as reservoir. The single-celled T.b. parasites belong to the Salivarian group of the genus Trypanosoma and they complete their development in the proboscis/salivary glands of the tsetse flies.
Is Glossina an insect?
The members of theT. brucei complex are transmitted by various species of tsetse flies that belong to the genusGlossina. These bloodsucking insects are found only in Africa, where their range covers millions of square kilometers of rain forest and savanna.
Which insect is viviparous?
Aphids are viviparous and give birth to live young.
Which bird is viviparous?
Birds do not show characteristics of viviparous organisms. Viviparous organisms are mostly vertebrates that are fishes, amphibians, reptiles and mammals.
How many species of Glossina are there?
The 22 different species of Glossina can be arranged into three species groups. The species groups differ in the construction of the male genitalia. These differences can be seen in fresh specimens using a xl0 hand lens (Figure 9.6), but they can be examined in much more detail using a microscope.
Why is it called sleeping sickness?
African trypanosomiasis is a parasitic disease transmitted by the tsetse fly. It gets its nickname ‘sleeping sickness’ because symptoms can include a disturbed sleep pattern.
What happens when a tsetse fly bites you?
A bite by the tsetse fly is often painful and can develop into a red sore, also called a chancre. Fever, severe headaches, irritability, extreme fatigue, swollen lymph nodes, and aching muscles and joints are common symptoms of sleeping sickness. Some people develop a skin rash.
What is sleeping sickness called?
Parasites – African Trypanosomiasis (also known as Sleeping Sickness) Related Pages. African Trypanosomiasis, also known as “sleeping sickness”, is caused by microscopic parasites of the species Trypanosoma brucei. It is transmitted by the tsetse fly (Glossina species), which is found only in sub-Saharan Africa.
What causes sleeping sickness?
Parasites – African Trypanosomiasis (also known as Sleeping Sickness) African Trypanosomiasis, also known as “sleeping sickness”, is caused by microscopic parasites of the species Trypanosoma brucei. It is transmitted by the tsetse fly (Glossina species), which is found only in sub-Saharan Africa.
What are Vivipary 3 examples?
Eg-Dolphin, Whales, Humans, Lion, Tiger, Elephant, Dogs, etc give birth to young ones.
What is called viviparous?
Definition of viviparous
1 : producing living young instead of eggs from within the body in the manner of nearly all mammals, many reptiles, and a few fishes. 2 : germinating while still attached to the parent plant the viviparous seed of the mangrove.
Is Parrot viviparous or oviparous?
oviparous animals
Ba belong to the category of animals that give birth to live young ones and are called viviparous. Whereas, hen, parrot and crow are birds that reproduce by laying eggs and are examples of oviparous animals.
What is a female fly called?
Musca domestica
The female housefly usually mates only once and stores the sperm for later use. She lays batches of about 100 eggs on decaying organic matter such as food waste, carrion, or feces. These soon hatch into legless white larvae, known as maggots.
What is another name of tsetse fly?
The scientific name for the tsetse fly is Glossina. All tsetse flies are called Glossina, and all Glossina are tsetse flies. Each different species of tsetse fly has its own species name added on to the name Glossina. We may speak of Glossina morsitans, Glossina fuscipes, Glossina palpalis and so on.
Which fly causes sleeping sickness?
African Trypanosomiasis, also known as “sleeping sickness”, is caused by microscopic parasites of the species Trypanosoma brucei. It is transmitted by the tsetse fly (Glossina species), which is found only in sub-Saharan Africa.
Who discovered sleeping sickness?
In 1734, the English naval surgeon John Aktins (1685–1757) published the first accurate medical report on African sleeping sickness [15].
How do you stop a tsetse fly?
Tsetse fly Avoidance
Clothing can be treated with an insecticide (permethrin) which kills tsetse flies. Use insect repellent on exposed skin.
How do you protect yourself from a tsetse fly?
Prevention & Control
- Wear long-sleeved shirts and pants of medium-weight material in neutral colors that blend with the background environment. Tsetse flies are attracted to bright or dark colors, and they can bite through lightweight clothing.
- Inspect vehicles before entering.
- Avoid bushes.
- Use insect repellent.
Is sleeping sickness a virus or bacteria?
Can you survive sleeping sickness?
How is trypanosomiasis treated? Trypanosomiasis is curable if treatment is given quickly, however if left untreated the disease is fatal. The type of treatment given depends on the stage of the disease. Generally, the earlier the disease is identified, the easier it is to treat.
What is the medicine for sleeping sickness?
Fexinidazole is an oral treatment for gambiense human African trypanosomiasis It was included in 2019 in the WHO Essential medicines list and WHO human African Trypanosomiasis treatment guidelines. This molecule is indicated as first line for first stage and non-severe second stage.
What is another name for sleeping sickness?
Which plant shows vivipary?
Mangrove plants
Mangrove plants show vivipary.