1. How do houseflies spread diseases?
2.How can we save ourselves from harmful insects ?
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Answers
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Question - 1 :
How do houseflies spread diseases ?
Answer :
- Houseflies often feed on rotting and decaying organic matter, including human and animal faces. When a housefly feasts on a food source infected with bacteria, viruses, or parasites they accumulate the pathogens within their esophagus or digestive system.
- The diseases that flies can transmit include enteric infections (such as dysen- tery, diarrhoea, typhoid, cholera and certain helminth infections), eye infections (such as trachoma and epidemic conjunctivitis)
Are flies harmus to us ?
It is true that flies rarely bite or sting, but their danger lies in the fact that they often land on dead animals, rotten food, manure, and trash. Because they frequent those places, they pick up and spread diseases that are harmful to humans
Question - 2 :
How can we save ourselves from harmful insects ?
Answer :
Apply insect repellent. Use these readily-available sprays and lotions to guard against mosquito, flea, and tick bites. Brands that contain 20 to 30 percent DEET are most effective. DEET is toxic and can cause serious injury if you get it in your eyes or ingest it. So never apply the product to your hands or face. Ask your pediatrician before using a DEET repellent on children.
You can also pre treat your clothes with Permethrin, a repellent sold at hunting and camping supply stores. Unlike DEET products which have to be reapplied every few hours, Permethrin will stay on your clothes through several washings. Note that Permethrin is not safe for use on your skin.
If you’re concerned about using chemical repellents, there are many insect repellents on the market that contain only natural ingredients.
Avoid the outdoors from dusk to dawn. When the sun sets, the insects start biting. If you can’t resist the evening barbeque, cover up with long clothes and insect repellent.
Banish blooming plants. Nectar lovers like bees are naturally attracted to flowering plants. So if you want to keep the stingers at bay, consider surrounding your outdoor seating areas with non-flowering greenery.
Clean up the wood and the woodsy. Remove leaf and wood piles completely or at least relocate them away from the house. Clear away weedy brush. These are favorite hang outs for ticks and spiders.
Cover up. Nothing deters a biter or stinger like a layer of clothing. When you’re outside, wear long sleeved shirts and pants, socks, and closed-toed shoes. If you’ve got long hair, pull it back and up. Insects think of hair as a ladder that’ll lead them to a banquet of exposed skin.
Drain standing water. Water is the mosquito’s lair. To avoid infestation, make sure you don’t have wheel barrows, tires, buckets, planters and the like collecting water in your yard.
Don’t go on the attack. If you start swatting at a passing bee, wasp, or hornet, he’s going to get mad and try to sting you. Remain calm and either stay put until the insect leaves or move slowly away.
Keep trash picked up and covered up. There’s nothing like the smell of something rotten to attract bees, wasps, and hornet. Make sure your trash is neatly contained in a place away from where you like to be.
Open outdoor enclosures with caution. Dark, quiet places are where spiders, hornets, and wasps like to build their homes. Whenever you uncover the lawn furniture or enter a seldom-used shed or barn, proceed with caution.
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