Cimex Lectularius

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Bedbugs infesting a home may give off a nasty smell from smell glands. With these conditions, the best alternative may be to throw the old mattress out and consider practical actions that stay clear of toxic chemical compounds.


You will find 74 species belonging in the Cimicidae group that are seen to feed on humans . One of the most generally found being Cimex lectularius the common bedbug. Although they aren’t a great common nuisance today, bedbugs can certainly still affect any home and can be typically associated with lower levels of hygiene.

Alternative species such as this pigeon-bug (‘Cimex-columbarius’) these bugs mostly feed on birds but sometimesalso feed on human blood.’BiologyBedbugs are wing-less insects and therefore move about by crawling or hitch hiking from place to place in clothes, luggage or other such transportation. Distribution may be further exacerbated in places like cinemas and trains and buses, with infestations generally developing in hotels as well as other buildings where there is a high occurrence and number of people.

Bed bugs are generally discovered in bedrooms as they generally feed at night time while the host is asleep. While not feeding they inhabit your bed frame, cracks and crevices around the room. They do not conceal in the bed mattress or bed linen. They are reddish brown colored turning a blood red colour right after feeding. The adult reaches approximately 5mm in length and cycles by way of five nymph stages around a period of time of 128 days. The female lays her eggs in batches usually around 10 – 50, they’re white-colored and deposited on different surfaces using a thin glue substance.

They will take on average 10 days to hatch and may mature in to adults inside one to two months given they have ample food. The female will then be ready to begin laying eggs. The rate of progression relies upon temperature and nutrient availability. Surprisingly, bed bugs can survive for a longer time without food and may go without feeding for as long as 140 odd days; the adult typically lives for about 10 months but can survives for 12 months or longer in cool buildings. This sensitivity to temperature suggests bedbugs will start to die if temperatures drop below 9C or rise above 36C. Even so, modern day buildings have come up with an ideal conditions for bed bug with a central heating systems and easy access to adjacent properties being commonplace.

Non-toxic control
Bed bug bites typically result in the victim having a of irritation which may lead to sleep-less night’s, perhaps some discomfort as well as swelling, although a few individuals experience next to no allergic reaction at all. Bedbugs don’t transfer any sort of known disease. Their bites typically leave a hard creamy colored lump and evidence to having a heavy infestation is the unpleasant smell created by the pests stink glands. Additional proof of infestation is discovering eggs, blood and faecal materials on sheets and pillows.

Techniques for ridding a bedbug infestation rely on what species are found. If it is a bat, swallow or pigeon bug then the cause of the invasion may be a nearby nest or bat in the ceiling or beneath the eaves. Removing this source and stopping further ways back into the home will help to avoid further infestations. Nonetheless, it should be kept in mind that most species of bats are protected and this is an offence under the Wildlife and Countryside Act to clear out or even block accessibility to the bat roosting site.

For the typical bed bug it’s smart to examine possible harbourages in cracks in the bed frame, around window and door frames, behind pictures, fittings, loose wallpaper and in light fittings. Any holes, crevices or cracks ought to be washed to eliminate any eggs or waste that has amassed then it ought to be painted or sealed.
Bedbugs can readily climb surfaces like wood so to prevent them getting accessibility to someone sleeping, barriers can be put in their way. Examples of this are the use of petroleum jelly around the legs of the bed, placing the legs inside smooth metal tins and moving the bed at a distance from any surfaces like walls. A mattress should either be changed or steam cleaned and bed linen laundered with a hot temperature, making sure to transport bedding within an closed plastic bag to avoid contamination to other areas.

Exposure to hot and cold environment can be a beneficial component of an infestation elimination policy, and increasing temperatures to around 36C and 37C for an hour or so will probably eliminate infestation, with extended exposure to temperatures of 0C to 9C should also kill off adults within a factor of hours.

Chemical control strategies often begin by flushing bedbugs out from their hiding places by means of apyrethroid based aerosol which can be natural or synthetic. This is subsequently be followed by use of other pesticides inside the building, as well as the treatment of beds and other furniture. Active ingredients approved to use against bed bugs throughout the uk under the Control of Pesticides Regulations 1986 (COPR) include the subsequent organophosphates: diazinon, fenitrothion,chlorpyrifos methyl, iodofenphos, trichlorfon and pirimiphos-methyl; and carbamates, propoxur and bendiocarb .

These groups of chemicals work as neurological poisons that kill by inhibiting the neural enzymne cholinesterase that disrupts the nervous system. More than one half of such actives has their licences suspended as part of the UK Health and Safety Executive (HSE) assessment of all anticholinesterase compounds. This process started in September 1998 once data call in letters was delivered to approval holders. Because of an absence of support for the following chemical substances iodofenphos, trichlofon and propoxur (a suspected human carcinogen), chlorpyrifos-methyl, diazinon (which shows evidence of mutagenicity and evidence of embryotoxicity), had their licences revoked.

The artificial pyrethroids bioallethrin, alpha cypermethrin, bioresmethrin, cypermethrin, deltamethrin, permethrin,d-phenothrin, s-bioallethrin, resmethrin, tetramethrin and the OPs trichlorphon and fenitrothion are suspected of being endocrine disruptors. Endocrine disturbance chemicals may affect the balance of normal hormonal perform of animals and are suspected of contributing the decrease in male fertility, female reproductive system problems, increases in prostate related and breast cancer, and behavioral and developmental problems in children(3).

The German Federal Environment Agency suspects deltamethrinf which affects sperm and also the placenta and dimethoate of affecting sperm and prolonging pregnancy(4).The botanicals registered for use in the UK ( pyrethrum and pyrethrins extract) are the only pesticides which are not suspected anticholinestease or endocrine disruptors substances.

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