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How to Get Rid of Pharaoh Ants (And Bites)?

February 22, 2019

Monomorium pharaonic is a transparent ant. Pharaoh ants are also famous as “sugar ants” or “piss ants.” This ant is a huge indoor irritant pest and is especially seen in hospitals. These ant origins are undetected and are introduced to all parts of the earth. These include Australasia, Southeast Asia, Americas and Europe.

These species are polygynous, which means that every colony has many queens which create colony dynamics and unique cast interactions, thus allowing the group to shred into colonies quickly. The colonies are not aggressive towards each other. It is also called unicoloniality.

This ant is also observable for its foraging system. It involves entangled trail paths sustained with pheromones.

Physical Characteristics

Pharaoh ant on white background

The ants are about 0.0625 inches or 2mm in length. These species are yellow, reddish brown or light brown in the shade with dark markings on the abdomen. They look similar to thief ants, but Pharaoh ants have three segments in the antenna section. Since these ants are minuscule, they can trail and travel to many places. There two nodes on the petiole and its thorax have no spines. On average pharaoh ants possess 32 ommatidia as they have poor eyesight. These ants are found almost everywhere on the earth. It is one of the major pests in the Europe, United States, and Australia.

Life Cycle and Reproduction

The queen lays around thousands of eggs during her entire life. She usually lays ten to twelve eggs per set and 4-7 after every batch. Eggs hatches in five to seven days if the temperature is 27°C and 80% relative humidity. 18-19 Days are the larval days; three days are for the pre-pupae and pupal tenure is nine days. Four further days are obligatory to determine its male and female forms. From its egg form to its mature form it takes nearly 35 to 50 days, relying on the relative humidity and temperature. They breed most of the time of the calendar year in warm buildings. The mating takes place inside the nest every time. Larger and mature colonies have several queens, males, eggs, workers, pupae, pre-pupae and larvae. The Queen lives as long as 39 weeks and lays around 400 eggs in her lifetime. Workers last only ten weeks.


Pharaoh ants handle three main kinds of pheromones. The first chemical is durable and attractive, and a trail system is built with it. If the ant’s path is not used for some days, they remain detectable. These ants begin their daily work around 9 am and shut all activities at night. The succeeding pheromone is attractive as well. However, they decay to a microscopic amount in a few minutes if not replicated. This particular pheromone is helpful in making food sources. Individuals do not waste time on unprofitable trail routes. The last pheromone in the kind is known as a repellant. If an ant locates any serious danger, it releases the repellent that warns others and causes them to search somewhere else.

After a new food source is discovered, the repellant pheromone is used in changing of the trails. It helps the insects from examining on undesirable pathways.

Trail and Feeding

Pharaoh ants eating fruit

The ants use distinct trail network and are constant every day, even though they search independently. Each system has trunk routes varying from 1 to 4 and one of the trunks is used by a scout from start to end in search of food. Thus the trunks become reinforced with the chemical and are not altered. The trunks further have divided branches depending on the food availability.

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Upon the scout’s return, the queen will try to beg for her part, but that depends on the availability of the food the scout sometimes refuse to the queen’s imprecation and even flee from her. The accord of sacrificing foodstuff to the queen might result beneficial as queen will be healthy and will be able to reproduce and populate. However, if food is scarce, this possible benefit will be outweighed by the individual’s survival. Thus she will be rejected to offer the food. The queen also feeds on the secretions of the larvae.

Queen-worker Relationship

The queen rears her first group of workers when she moves to a new nest. When a worker threshold has been reached, resources will be invested into new males and queens. After finding a suitable nest site, workers build a nest and can raise new queens. In Pharaoh ant colonies new queens are raised when existing fertile queen is removed. In the absence of the queen, the workers can do only two things either rear the existing sexual larvae or transport the existing sexual larvae from the main nest to its own nest. However when fertile queens are present in the nest, the worker ants will cannibalize the larva, they will either reject or consume sexual larvae from other nests. Worker larvae always accept and nurture workers larvae from other nests.

Pharaoh Ant Bites & Damage

Pharaoh ants damage on wood

Pharaoh ants that nest in wooden structures cause significant and costly damage to the wood. They also cause damage to the foam insulation. Pharaoh ants do not sting, but they bite. Though the ant’s bites are not poisonous, they can cause pain and transmit diseases. These pests can contaminate food, sterile equipment and even wounds in the flesh. These ants can be found in sealed sterile dressing, medical equipment and even patient wounds in hospitals. These insects feed in places like drains; refuse bins etc. that result unhygienic. Their ability to infest sterile supplies in hospitals is of particular concern.

These species of ants are known to spread organisms like Clostridium and Streptococcus. They transmit Clostridium that could cause tetanus, botulism, or necrotizing intestinal tissue.

Pharaoh Ant Prevention

Keeping the house as clean as possible can prevent Pharaoh ants. Keeping the kitchen clean will prevent these pests from contaminating the food. The kitchen counters and the floor should be free of crumbs or sugar crystals. The food shall not be left open and remains shall be kept in airtight jars so these tiny ants may not enter. The plants should not be huge, and the trees should be kept trimmed to prevent these ants. The firewood shall not be held anywhere near the house or in the house as they attract these ants and keeping them will result in an invitation to these ants. This firewood shall be kept at least 20 meters away from the house. The real challenge is to find a natural ant killer. Experts use the direct method in which pesticides are directly applied on the ants.

How to Get Rid of Pharaoh Ants

Thеrе аrе five diffеrеnt types of pharaoh ant killеrѕ уоu can choose frоm.

  1. Pharaoh ant bait

These аrе bаiting ѕуѕtеmѕ with active ingrеdiеntѕ. Thе AMDRO Killѕ Antѕ Bаit Station is a сlаѕѕiс еxаmрlе of this tуре. Thеу аrе useful fоr bоth inside аnd outside аnt control.

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Onсе thе аntѕ consume thе bаit, thе active ingrеdiеnt аffесtѕ thеir digеѕtivе system. They take thiѕ active ingredient bасk to thеir colonies tо fееd thеir quееn. It асtivеlу killѕ the quееn аnd destroys thе еntirе соlоnу.

Thiѕ is a non-messy way оf handling аnt invаѕiоnѕ in уоur hоuѕе and yard. Forget harmful chemicals. Thеѕе рrе-расkаgеd bаitѕ are idеаl fоr uѕе in households with children аnd pets аѕ wеll.

  1. Ant-gеl

These аrе rеаllу effective if you mаnаgе tо lосаtе a trail of pharaoh ants. You can tаrgеt ѕресifiс areas оf уоur hоmе аnd роrсh. Just аррlу thе ant killing gеl аnd wаit аѕ thе аntѕ die within a соuрlе оf hours. Thiѕ is a clean аnd a fume-free еxреriеnсе fоr еvеrу household buggеd bу ants.

  1. Sрrауѕ

Aerosol sprays mеаnt juѕt fоr killing pharaoh аntѕ аrе ideal if thе problem is ѕеаѕоnаl. Thе small blасk аntѕ and the red ones uѕuаllу соmе out during thе summer months and bеfоrе mоnѕооn tо соllесt enough rеѕоurсеѕ fоr thеir соlоniеѕ. They infest the kitchen and any оthеr соrnеr оf a hоuѕе that hаѕ trасеѕ оf fооd.

Thеѕе best ѕрrауѕ аrе idеаl аѕ contact sprays fоr immediate асtiоn оr аѕ residual sprays. Thеѕе are ѕhоrt-tеrm rеѕроnѕеѕ fоr аnt invаѕiоnѕ. Mоѕt оf the timеѕ they have сhеmiсаlѕ thаt саn produce tоxiс fumes. Thеу are nоt as safe аѕ bаitѕ and gеlѕ in hоmеѕ with pets аnd сhildrеn.

  1. Bаit

Baiting is preferred over residual spraying in such cases when the repellant spray is unavailable. To eliminate the entire colony baiting is the best item to use. It is best to choose from sugar-based baits and protein based baits. Pharaoh ants can suddenly appear in various places, so baiting is recommended for inside use. Baiting is the method to get rid of pharaoh ants by placing poisoned baits in strategic locations. The advantage here is that workers bring poisoned food for the queen and she will die after eating it. However, the only disadvantage here is that results are not immediate.

When using baits, slow killing baits shall be used as quick kill baits only kill foraging ants and the poisoned food does not reach the nest. There are plenty of kits are available in the market, but Advion Ant Bait Kit is highly recommended. It contains Advion Ant Bait Arena, Ant Bait Gel, Advance375 Ant Bait and inside Ant Bait Kit.

  1. Diаtоmасеоuѕ еаrth

Thiѕ is thе driеd аnd рulvеrizеd fоrm оf a соmmоn diatom or algae. Mоrе ассurаtеlу ѕреаking, thеу are the fossilized rеmаinѕ of mаrinе рhуtорlаnktоn. They аrе thе idеаl choice fоr environmentalists and organic product lоvеrѕ. It uѕuаllу causes dеhуdrаtiоn оf thеѕе inѕесtѕ оr сutѕ up their еxоѕkеlеtоn tо kill thеm within 48 hоurѕ. It iѕ a grеаt сhоiсе fоr hоuѕеhоldѕ with children.

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