Lyla Lindsey
Australia is known for its dangerous creatures, and while insects are not generally harmful to humans, some can be extremely painful biters. One such insect is the assassin bug, which is found all over Australia. These bugs are bloodsuckers and are most active at night, feeding on sleeping victims. They are poor fliers and are attracted to light, so they can often be found indoors near windows and lights. Bites can be severe and cause an intense burning sensation, intense itching, and swelling.
| Characteristics | Values |
|---|---|
| Common Name | Kissing Bugs |
| Scientific Name | Family Reduviidae |
| Location | Common in Queensland and parts of New South Wales |
| Habitat | Outdoors in hollow trees, indoors in bedding, floor and wall cracks, under furniture |
| Activity | Active at night, attracted to light |
| Feeding | Feed on blood, usually of sleeping victims |
| Appearance | 1 to 2 cm long, chocolate brown, beak curved, slender antennae, walking-type legs |
| Bite | Painful, may cause a severe reaction |
| Life Cycle | Females lay 40-80 eggs, hatching in 2 weeks; nymphs pass through 5 growth stages before reaching adulthood |
| Adult Lifespan | 6-10 months |
| Commercial Benefit | Used for cotton crop protection |
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What You'll Learn
Assassin bugs are found in Queensland and New South Wales
Assassin bugs are common in Queensland and parts of New South Wales. They are generalist predators with large appetites. They are most commonly found in tree crops and broadleaf crops such as cotton, pulses, canola, and sunflowers. They feed on many different insects but prefer soft-bodied prey such as caterpillars and small bugs like green mirids.
Assassin bugs are also common in gardens in Brisbane. They are generalist predators, and their name comes from the way they feed on their prey. They approach their prey from behind, stab them, and inject an enzyme that dissolves their inner organs, allowing them to feed on the resulting fluid. They are not known to be aggressive but may bite in self-defence, and their bites are extremely painful.
These bugs are active at night and are usually found outdoors in hollow trees. They are attracted to light and will enter houses, where they can be found in bedding, floor and wall cracks, and under furniture. They are poor flyers and resemble the masked hunter, except with shorter wings. Adults are black and around 1 to 2 cm long.
The bee-killer assassin bug (Pristhesancus plagipennis) is common along the east coast of Queensland and New South Wales. It has a unique and complex venom system, with two different venoms, each containing over 100 different toxins.
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They are generalist predators with large appetites
Kissing bugs, or assassin bugs, are common in Queensland and parts of New South Wales. They are generalist predators with large appetites. They are usually found outdoors in hollow trees, but they enter houses in search of bed bugs, flies, and other insects. They are attracted to lights and are active at night.
Assassin bugs are voracious predators, attacking large caterpillars and sucking them dry. They also feed on many different insects but prefer soft-bodied prey such as caterpillars and small bugs like green mirids. They stab their prey with stylet-like mouthparts and inject them with an enzyme that dissolves the inner organs. The liquid matter left is then sucked out, leaving behind an empty shell.
Nymphs, which look similar to adults but without wings, will eat up to 160 small to medium-size helicoverpa larvae in 9–12 weeks. Adults can lay up to 300 eggs in rafts (bundles) of 30–60, and these eggs hatch within 2 weeks. Wingless nymphs pass through 5 growth stages before reaching adulthood. Adults may live for 6–10 months.
Assassin bugs are bloodsucking bugs that usually feed on sleeping victims. Bites are very painful to humans and may cause a severe reaction. They are more of a problem for people living in wooded areas. Adults are 1 to 2 cm long, chocolate brown, with slender antennae and walking-type legs.
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They are poor flyers and are attracted to lights
Assassin bugs, also known as kissing bugs, are indeed found in Australia. They are common in Queensland and parts of New South Wales, and are especially prevalent in gardens and tree crops in Brisbane. These bugs are poor flyers, but they are attracted to lights, which can make them a nuisance for humans.
Assassin bugs are nocturnal, flying at night and hunting for prey. They are attracted to light sources, which can lead them to human habitations. Adequate screening around windows and doors is recommended to keep them out of homes. Non-attractive insect yellow lights are also suggested as a deterrent.
The attraction to light can be problematic as these bugs are bloodsuckers and feed on sleeping victims. They are usually found outdoors in hollow trees but can enter homes in search of bed bugs, flies, and other insects. They can be found indoors in bedding, floor and wall cracks, and under furniture.
Due to their poor flying abilities, assassin bugs are sometimes found on walls or other surfaces, trying to reach the light source. If one lands on your hand or face, it is important to gently brush it off, as it may bite if pinched or crushed. These bugs are not typically aggressive, but they will bite in self-defence, and their bites are very painful.
The adult assassin bugs are 1 to 2 cm long, chocolate brown, with slender antennae and walking-type legs. They have short wings and a curved beak. Their appearance can be similar to the masked hunter, but the masked hunter has longer wings.
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Bites can be very painful and cause a severe reaction
Kissing bugs, also known as triatomines, are generally found in the southern regions of the U.S., Mexico, and Central and South America. They are also common in Queensland and parts of New South Wales in Australia. They are nocturnal, hiding during the day and biting at night. They are attracted to light and carbon dioxide exhaled by humans, which is why they tend to bite around the mouth and eyes.
The main risk associated with kissing bug bites is the transmission of Chagas disease, an infection caused by the Trypanosoma cruzi parasite present in the bugs' feces. However, this parasite is not commonly found in kissing bugs, and infections are relatively rare. Most people with Chagas disease have mild or no symptoms, but in some cases, it can lead to serious heart problems or intestinal disease, especially in young children and those with weakened immune systems.
To prevent kissing bug bites, it is important to use adequate screening around windows and doors and to caulk and seal any openings into the house. If bitten, it is recommended to see a doctor, especially if you are experiencing flu-like symptoms, as this may be a sign of Chagas disease or a severe allergic reaction.
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Chagas disease is an emerging challenge for Australian doctors
Chagas disease, a parasitic infection by Trypanosoma cruzi, is endemic in Latin America and affects 8–10 million people. It is a major emerging infection in Europe and the USA. The routes of transmission include congenital, vectorial means and through unscreened blood or organ donation. It is transmitted by an insect that lives in the walls and roofs of mud and straw housing, common in rural areas and urban slums in Latin America. These insects, known as 'triatomines' or 'kissing bugs', emerge at night to feed and are attracted to light.
Chagas disease has two stages: an acute stage, shortly after infection, and a chronic stage, developing over many years. Detecting Chagas disease in both stages is particularly difficult. In the acute stage, only mild symptoms appear, which are common in many other diseases. These symptoms include fever, fatigue, body aches, headache, rash, loss of appetite, diarrhoea, and vomiting. After the acute phase, Chagas goes into remission, and no other symptoms may appear for many years. About 20-30% of those infected will go on to develop the chronic form of the disease, where life-threatening heart and/or digestive disorders will develop, causing irreversible damage to the heart, oesophagus, and colon. Symptoms at this stage might include constipation, digestive problems, pain in the abdomen, and swallowing difficulties.
Potentially fatal complications include cardiomyopathy with conduction abnormality, arrhythmia, thromboembolic cerebrovascular events, and digestive tract involvement (mega-syndrome). Treatment affords optimal results when applied early in the course of the disease. However, there are few drugs that can effectively treat the disease, and the current line of treatment can be toxic, taking one to two months to complete. Diagnosing the disease is complicated, and doctors need to perform two or three blood tests to determine whether the patient is infected with the parasite. These tests are often inadequate, expensive, and in short supply.
With increases in global travel, cases of Chagas disease have been reported in the US and Europe, and it is now an emerging challenge for Australian doctors. General practitioners are best placed to play a central part in the early identification and referral of infected individuals. Adequate screening must be used around windows and doors to prevent kissing bugs from entering homes.
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Frequently asked questions
Yes, kissing bugs, otherwise known as assassin bugs, are found in Australia. They are common in Queensland and parts of New South Wales, and are found in gardens in Brisbane.
Kissing bugs are 1 to 2 cm long, chocolate brown, with slender antennae, a curved beak, and walking-type legs. They have short wings and resemble the masked hunter.
Kissing bugs are usually found outdoors in hollow trees. Indoors, they can be found in bedding, floor and wall cracks, and under furniture. They are attracted to light and are more commonly a problem for people living in wooded areas.
Kissing bugs are bloodsucking bugs that bite humans. Their bites are very painful and may cause a severe reaction.
