…ore, the pharaoh ant likes to settle in shops or food warehouses or restaurants, canteens, bakeries, and commercial kitchens. They can therefore be a major nuisance when they manage to enter food. But pharaoh ants are not just an annoying nuisance. They can also pose a risk of infection if they manage to enter a hospital, where they can find bandages, wounds, or sterile packaging. Prevention and pest control If the pharaoh ant intrudes into a priv…
Search Results for: Pharaoh ant
The pharaoh ant
Latin: Monomorium pharaonis. Pharaoh ant Season for Pharaoh ants A tiny, bright yellow ant. The workers are only approximately 2 mm long. It is originally a tropical species, which has spread across the world through imports. In Northern Europe it has been known since the 1920s. In Northern Europe, the pharaoh ant depends on heated buildings. The pharaoh ant is most often found in food stocks and businesses, but can also be troublesome in canteen…
Jet ant
…n squeezing the ant so it is believed that the scent comes from within the ant. This type of ant is widespread throughout Denmark, except West Jutland. Appearance The Jet ant is black in color like the common black garden ant. On the surface it is very shiny. It has a classic ant shape with a slender waist, a large head and hind and of course six legs. It is possible to see the antennae and the mouthpiece with the naked eye. The working ants are 4…
(8) The pharaoh ant and the common black ant
Pharaoh ant The black garden ant The pharaoh ant is an African species that first appeared in Northern Europe nearly 100 years ago. It is omnivorous, but can only survive in warm and humid environments. Its basic life demands are very similar to those of cockroach and it also live in the places where you would expect to find cockroaches. This ant’s small size and the large number of individuals which exist in a colony, allow the pharaoh ant to re…
Yellow shadow ant
…mainly by milking the small root lice that occur around the roots of the plants. The ants feed on the sugary excrement of the root lice, also called honeydew, which is derived from the sap from the roots of the plant. However, the yellow shadow ant can also eat other small insects. During the summer, winged males and females develop in the nest, moving up from the nest in July and August to mate. They can occur in large numbers when the mating sea…
Black garden ant
…uses that are built directly on the ground are often visited by the garden ant. The ants settle directly under the concrete floor, where they do penetrate through cracks, like foot panels, and pipe penetrations. They can also settle between the insulation material of the wooden and concrete floor, this will however, damage the wood floor. The first signs of ants inside the house are small piles of gravel or sand that appears at panels. Such piles…
Hercules ant
…not without reason that the Hercules ant has earned its name. The Hercules ant is the largest ant in Denmark. However, the ant, which also goes by its Latin name Camponotus herculeanus, is not very common in Denmark. It is only found in North Jutland and North Zealand, where it lives in the areas’ coniferous forests. Appearance Although the Hercules ant as described is the largest ant in Denmark, not all the species’ ants are the same size. The qu…
Pharaoh ant
…rded as one large family, consisting sometimes of hundreds of thousands of ants. Pharaoh ants, worker and queen Pharaoh ants are almost omnivorous They usually feed on sweet substances, but they also visit meat products, cheese, dead insects and carrion. They are sometimes found in food stores, shops, canteens and even in private houses. In most cases they do little or no damage but they can be rather annoying. In hospitals where conditions are mo…
Ants
…empt to bite a whole in the skin while spraying the venom. Fig. 54. A wood ant anthill. (Ib Andersen) The wood ants are useful animals, which kill harmful insects, but a large anthill in the immediate vicinity of the house can be troublesome. If you want to save the wood ant colony, you can scoop the anthill into a tarpaulin and place it in a suitable location in the woods. Alternatively, you can coat the anthill {1with insect powder. Pharaoh ant,…
The common black ant
…t, worker The bait must be set up somewhere that it does not bother having ants crawling around. The ants fill their stomachs with the poisoned honey and distribute it to other ants and offspring in the colony. Provide the ants plentiful before they suspect something. Do not tempt children or pets with this bait by placing or forgetting it in somewhere that they can get to it. Ants on the premises are particularly a spring phenomenon. In summer, t…
Small black or garden ant
…atin: Acanthomyops niger, lasius niger Preferred common name: Common black ant Small black or garden ant Tender woodwork that has served as part of a nest of black garden ants. The surface gets a typically sanded structure Several of the ants which otherwise live in the ground will occasionally build their nests in damp timber in the house, and these include the garden ant. They will only start to gnaw their way into timber which has already been…
Hercules ant
…es the nests can be found up to a height of 10 m from the ground. Hercules ant on infested wood The ants gnaw their tunnels in the soft spring wood, and leave the summer wood alone, so that in a transverse section of the tree trunk the tunnels appear as numerous regular rings. In a longitudinal section the summer wood remains as a series of lamellae, pierced here and there by openings which connect the different tunnels. There have been cases wher…
Ants
…ible it can inform the other ants. It lays out a scent, and pats the other ants with its antennae, and even gives them a taste that it regurgitated. It is especially in the early spring you can experience the caravans of ants looking for the sweets in the kitchen, later on the summer they prefer to forage outdoors. The first signs of ants in the house are often small piles of sand and gravel that pop up at the panels. The ants dumps this sand and…
Index
…ach Americana, Periplaneta Anagasta kuehniella Anobiidae Ant, common black Ant, pharaoh Apion Apodemus flavicollis Araeocerus fasciculatus Arboreal furniture beetles Auricularia, Forficula Australian spider beetle Bacon beetle Bean moth, cocoo Bean weevil, common Bean weevil Bees Bisquit beetle Black ant, common Black rat Black-legged ham beetle Blowflies Bolting cloth bettle Bostrychidae Booklice Brown house moth Brown rat Brown-banded cockroach…
The jet black ant
…Latin: Acanthomyops fuliginosus Jet black ant It may also find its way into the kitchen. It makes it’s nest in timber and is discussed in more detail in the book on page 145 – jet black ant and timerberpest – together with the pests of timber….
Ant beetle
…(Latin: Corynetes coeruleus) (Ham beetle) – Ant beetle, corynetes coeruleus This beetle has very similar habits to the preceding species, Opilo. Its larvae wander round in the tunnels and attack wood-boring larvae. They may also feed on the larvae of moths and larder beetles, for example in birds’ nests, and like the copra beetles (p. 75) they are sometimes found on dry carrion. Ant beetle is a natural enemy of timber pests….
Small black or garden ant
…lly a sweet, sticky secretion produced by aphids or greenfly. Black garden ants in bait When garden ants get into the house it will soon be seen that they are particularly attracted to sweet substances, such as drops of jam or scraps of pastry and cake. As soon as one ant has found such a delicacy there will soon, as though by magic, be a whole trail of them. Naturally, of course, there is nothing magical in this. Ants cover a wide area in search…
Index
…ravespula germanica Paravespula vulgaris Passer domesticus Patchwork leafcutter Peacock butterfly Pediculus humanus capitis Pediculus humanus corporis Periplaneta americana Phalangium opilio Pharaoh ant Pholcus phalangoides Phthirus pubis Phymatodes testaceus Pieris brassicae Pigeon bug Pigeon tick Pigeons Pine sawyer Pine weevil Piophila casei…
Jet black ant
(Latin: Acanthomyops fuliginosus, lasius fuliginosus) Jet black ant These shiny, black ants normally live in trees, and they have a distinct smell of oranges. They can establish themselves in the dead parts of trees, in stumps and in wooden floor boards damaged by damp. They gnaw extensive tunnels and holes in the timber, and they fill them with a dark papery material which they make by mixing gnawed wood fragments with saliva and particles of ea…
Ant beetle
…Ham beetle ( Latin: Corynetes coeruleus) This beetle is similar to the copra beetles, but is a uniform iridescent green. The larvae feed on dried carrion and may also eat smoked meat products. In roof spaces suffering attack by wood-boring beetles it lives as a predator (p. 121), its larvae hunting the wood-boring larvae like a mole hunting earthworms….
KEY II, animals with 3 pairs of legs; insects
…t’ Large animals, i.e. the adults are larger than an ordinary black garden ant About the size of a black ant, but pale termites Smaller than an ordinary black ant With biting mouthparts, and very long whip-like antennae cockroaches With sucking proboscis, folded in beneath head Body outline almost circular bed bugs. Body outline oval, always covered with dust fly bug (nymphs) Dark, shiny, hard (almost impossible to squash) Pale and soft (easily sq…
Invertebrates and hygiene
…as for example when insects such as houseflies, blowflies, cockroaches and Pharaoh ants pick up pathogenic micro-organisms from carrion, offal and dunghills and pass them elsewhere. There is always a chance that intestinal and other infections may be transmitted when insects land on foodstuffs which are not to be subsequently cooked or washed, and particularly if the micro-organisms have an opportunity to breed for a day or two. It is very difficu…
Exit-holes in timber
…nd the wood (see p. 139). Small black ant exit-holes in timber Small black ant These ants form labyrinthine tunnel systems in soft, crumbling timber which has been attacked by fungus or possibly by wood-boring beetles. The surface of the timber takes on a typical rounded and polished appearance. When the colony is deserted the tunnels are completely empty ( see p. 145). There are other ants which also attack timber ( see pp. 120 and 145). Termit…
E: The carrion niche
…and infections – also in humans – can tempt blowflies to lay eggs. Pharaoh ants collect meat and can go into wounds. 2. Pests in dry carrion: Skin beetles (not the khapra beetle) copra beetles, spider beetles and various moth larvae play a major role in the final digestion of animal tissue. Other pests can participate in the feast as animal protein is an attractive food, even for pests that would otherwise be vegetarians. Milled products of animal…
Transmission of infectious diseases
…and animals. Among the mobile pests are cockroaches, silver fish, pharaoh ants, booklice, flies and wasps. Mice, rats and birds are also members of the mobile pests group. Among the more than 100 different kinds of viruses, bacteria, single-celled micro-organisms and eggs of parasitic worms that is found in house flies and cockroaches have isolated several of the types that can cause serious diseases such as dysentery, typhoid, polio and tubercul…
Flour beetle
…sed flour beetles are really good at getting into places where you do not want them. They can easily enter tight-fitting wrappers. Therefore, they can be a particular problem in places where you store your groceries. Damage The flour beetle can be harmful to both private homes and in industrial sectors. In the industry, they often attack feed and grain stocks. They can also be found among grocery stores. When found in the home, they have usually e…
Faeces
…etimes have a small ‘tail’ (see opposite page). They are extremely resist- ant and therefore very useful as signs to show whether bed bugs are or have been present in a house. Fleas deposit their faeces as drops of more or less digested blood. They normally produce several such drops while they are sucking, thus leaving small red spots on the skin, clothing or sheets. Flea faeces can be found on the skin of dogs and cats as dark coagulated particl…
Scent
…sing several bed bugs will often have a close, sickly smell. The jet black ant (Acanthomyops fuliginosus) which frequently builds nests in timber produces a not unpleasant, pungent aromatic smell, which sometimes enables one to find the nest by scent. Otherwise the insect pests of timber do not appear to have any characteristic smell, but the close, stuffy smell of mould in a house is an indication of damp. Many carnivores produce an acrid smell a…
Methods of treatment in pest control
…organic phosphorous compounds and 4) inorganic substances. The most important plant poison is pyrethrum which is derived from a plant of the chrysanthemum group. It is not very poisonous to warm-blooded animals, but acts very rapidly on insects. Pyrethrum breaks down quickly when exposed to light and air, and it is sometimes incorporated in the insecticides that are used indoors, as it does not constitute a hazard to foods. Rotenone or derris, ob…
Bees, wasps and ants
…wings, and the hind wings are smaller than the fore wings. Bees, wasps and ants have slender waists in the front of the abdomen. They have “wasp waists”. It allows the abdomen to move freely, and helps the animals when they sting. With the exception of most ants and a few bees, most of the hymenoptera females have stings. It consists of three needle- or blade-shaped parts. In some species, it is exclusively used as an ovipositor during the oviposi…