Search Results for: Yellow fever mosquito

Stinging mosquitoes

…therefore the species are divided into groups: house mosquitoes, seagrass mosquitoes, forest mosquitoes and malaria mosquitoes. Read about the different groups below. House mosquitoes The house mosquitoes differ from other mosquito groups as they search indoors during the autumn to overwinter. They do not die but stays inside during winter. The best winter setting for this mosquito type is moist, cool, and undisturbed rooms, preferably just below…

Yellow shadow ant

Latin: Lasius umbratus A yellow shadow ant is not just a yellow ant. There are many different yellow ants, all belonging to the same genus, such as the ants Lasius umbratus, Lasius flavus and Lasius mixtus. Many of these ants are common in Denmark. But especially one species of yellow ant with the Latin name Lasius umbratus will often appear indoors, where it can be a troublesome guest. And it is this species that the following refers to. Appeara…

Fungal mosquitoes

…rance The fungal mosquito, Mycethophilidae in Latin, is a small species of mosquito, which resembles the common mosquito in its appearance. It is however smaller and does not sting. The fungal mosquito is very slender and has a relatively dark body. The fungal mosquito appears in many subfamilies and alle types resemble each other a lot. The common feature is that they are small and do not sting. The fungal mosquito is 3-5 mm and therefore relativ…

Yellow swarming fly

…umn, where it can find its way into habitats to overwinter. Appearance The yellow swarming fly is a rather small, as a full-grown fly only grows about three millimeters long. The fly has a yellowish color, while over the back it has several black drawings as well as dark, wide transverse stripes on the hind body. Biology and behavior The yellow swarming fly belongs to the family (Chloropidae), a large family of small flies, most of which are assoc…

Mouse

…live near a forest, you are more likely to see and have problems with the yellow-necked mice. The yellow-necked mice seeks inside the house in the end of November. They rarely reproduce indoors, even though they still build nests to their own need. They will be more active guest, as they move when their feed stores are run-out. Damage Both the house mice and the yellow-necked mice are omnivorous, which can cause a major problem when they reside i…

Mosquito bites

…dies show that the heat and humidity radiated from the skin might lead the mosquitoes to us. Mosquito appeal. When some people are more appealing to mosquitoes than others, it is partly because there is a difference in how much heat and humidity, we radiate. In studies of various peoples’ mosquito appeal, it has been proven that the individual differences are not as significant as it is perceived. Part of the explanation may be of a psychological…

The yellow mealworm beetle

…se insects might jostle their way through pipe ducts and vents. Fig. 5.30. Yellow mealworm beetle. a: larva, b: pupa, c: adult, d: egg surrounded by flour particles, e: antennae. The yellow mealworms beetle is not a significant pest compared to years ago when it was common in grain storages and small mills. Today it often lives in sparrows’ nests. If you are bothered by yellow mealworm beetles in a building, you should detect and remove any birds’…

Prevention and protection

…ublesome when they are numerous. This happens when the pupae of the forest mosquitoes hatch in June. Mosquitoes have been kept away from humans and animals using smoke from fires. The ancient Egyptians and Romans rubbed themselves with highly odorous plants. At the beginning of this century, numerous mosquito balms of plants like clove, cinnamon, lavender, camphor, etc. were developed. The best was citronella oil, which is extracted from a tropica…

Malaria mosquito

…Malaria mosquito Difference between aedes mosquito and malaria mosquito(below) (Latin: Anopheles maculipennis) This is the malaria mosquito of parts of Europe, including Britain. The larvae live in ponds and lakes with fairly dense vegetation. The indigenous malaria of Britain, commonly known as ague, was transmitted by this insect, and it still occurred in certain coastal districts until about the end of the nineteenth century….

Life cycle

…rantees that mosquito larva, will hatch in the puddle the next year. Large mosquito Mosquitoes of the genus Anopheles belong to the species of mosquitoes that lay their eggs directly on the water and their larvae prefer habitats with vegetation. The, Culiseta annulata mosquito lays its eggs on the water surface in boat-shaped clutches, and because its larvae are not bothered by pollution, they are often found in, water barrels, clogged gutters, et…

The yellow-necked mouse

Latin: Apodemus flavicollis. The yellow-necked mouse is dark brown on the top side, while the underside is pure white, except for a brown band (collar) in front of the front legs. It is larger than the house mouse, head and body measuring 10-12 cm, and the tail is slightly longer than the rest of the animal. It is primarily associated with forests, but is also common in gardens with many trees and shrubs. Most of the year they stay out in the ope…

Yellow-necked mouse

( Latin: Apodemus flavicollis) Most yellow-necked mice spend the whole of the year out in the open, but some enter houses, usually later on than the house mice, about the end of October. They will eat stores of fruit in cellars or other places. In the wild, yellow-necked mice feed on all kinds of seeds and they are very fond of hazelnuts and almonds. They are primarily woodland animals, which have spread to gardens and parks with scattered trees…

Butterfly mosquitoes

…moths only have a single pair of wings, which is the opposite of butterfly mosquitoes. In addition, the butterfly mosquito is small only two to three mm long. Color wise, the adult butterfly mosquito is greyish, and the larvae are whitish. The larva has a dark head and a small breathing tube at the backend. Typically, only this breathing tube protrudes. Although the butterfly mosquito is small and with relatively large wings, it is poor at flying….

Biting Midges

…ifferent species of midges, just as there are several different species of mosquitoes. Midges, like mosquitoes, have wings, and these wings lies flat over their backs when the midges rest. Some species of midges have beautiful spots on their wings, although these spots will be difficult for humans to see. One will typically see female midges as only the females are bloodsuckers however the females and males looks like each other. Biology and behav…

Transmission of disease

…search the mosquito’s ability to transmit the virus to humans. If a virus is to be transmitted from mosquitoes to humans, it must be able to multiply both in humans and in mosquitoes. Furthermore, it must be able to get into the mosquitoes’ hypopharynxt, so that it can be spit into humans….

Index

…th Warehouse moth, tropical Wasps Weevil, coffee bean Weevil, common bean Weevil, corn Weevil, granary Weevil, rice Weevil, true White-marked spider beetle Yellow meal worm beetle Yellow-necked mouse Zeamais, Sitophilus Zacheri, Lardoglyphus…

Theobaldia annulata

…(Latin: Theobaldia annulata) Banded mosquito Commonly known as: Banded mosquito This is a large grey mosquito with white rings on the legs. The fertilized females spend the winter in suitable cool places, but if disturbed they may wake up and even start to suck blood. In fact this is the species that is nearly always responsible for mosquito bites in the middle of winter….

Transmission of disease

Gnats and mosquitoes

…ill go in search of a mammal, human or otherwise, or a bird. Blood-sucking mosquito, Aedes caspius Gnats and mosquitoes are most active around sunset or in the early morning, when the air is usually still and humid. They spend the greater part of the day resting in dense undergrowth. When the female has had an opportunity to engorge with blood, her eggs start to ripen and she then searches for a suitable place in which to lay them. Mosquitoes live…

Woodboring beetle

…the chest. If you are in doubt of the species of a specific beetle, these yellow spots will be characteristic for the Hadrobregmus pertinax. Its head is hidden under the neck shield. The larva is c-shaped and is white with yellow hairs. Biology and behavior To attract the females, the male makes a ticking sound, by banging his head against the woodwork. After mating, the female lays about 10 eggs, which are placed in cracks in the tree. The prefe…

Body louse

…onditions. They do not thrive among people who maintain a good standard of hygiene with frequent changing and washing of clothes. Body lice are important as vectors of typhus fever, trench fever and louse-borne relapsing fever. In populations where these diseases do not occur, the only effect of louse bites is the resultant annoying itch….

Control

…In contrast, a mosquito repellent is excellent idea. Trying out different mosquito repellent can be a good idea, in order to find out which have the best effect. Doctor Med. Aagaard Poulsen found out that a repellent containing, inter alia, 47.5% dimethyl phthalate worked well. The ointment is, however, not produced anymore, but is similar to the mosquito repellents used today. If you are using ointment or salve, apply to the skin in the morning…

Dark giant horsefly

…le in Denmark to find specific chemical agents for horseflies, such as for mosquitoes and other insects, but there are lotions that can soothe the pain. Lotion with lidocaine helps with both pain and swelling after a bite, and this can typically be bought at the pharmacy. Local anesthetic gels can also help. After one bite from a horsefly, you typically do not want to try that again, but you can take some precautions. The easiest way to avoid bite…

Wasp beetle

…the two animals is by noticing that the wasps’ stripes are more black than yellow, with the wasps being more yellow than black. In addition, the wasp beetle’s legs are longer, so it can crawl around more easily, where the wasp’s legs are shorter, so it can fly more easily. Finally, the wasp has its transparent wings on each side of the body, where the wasp beetle has no wings at all. Therefore, the wasp beetle cannot fly either, but typically stay…

Invertebrates and hygiene

…nsect or mite and can be transmitted only by them. Well-known examples are yellow fever and sleeping sickness, which do not occur in temperate regions, and malaria, which has, in practical terms, been exterminated in Europe. In the back of the carpet beetle larva are spear hairs with barbs. They are used as defensive weapons. They break off easily, and can temporarily lock the mouth parts and legs of an attacker, e.g. an ant. In these diseases the…

Transmission of infectious diseases

…on. It is especially bloodsucking insects that transfer diseases (malaria, yellow fever and Chagas disease etc.) biologically. Mechanical transmission means that the insect is just one out of several transmission possibilities. The risk of insects transmitting diseases depend on their way of living. On this matter it makes sense to distinguish between actual food pests and those that do not exclusively live in foods. Food pests live in both unproc…

Mosquitoes

Fig. 30. Mosquitoes, the species Aedes vexans (PEUS) Aedes mosquito Mosquitoes, of the family Culicidae, are slim, elegant, 5-6 mm long, grayish midge-like flies. There are also some peaceful midges, which are similar to the mosquito in appearance, for example the non-biting midges or chironomids, which are often seen in large swarms over lakes and bays. Mosquitoes are characterized by the long, thin, flexible proboscis on the front of the head,…

Theobaldia annulata

Banded mosquito (Lat: Culiseta annulata) This is one of two species of mosquito that often occur indoors. It breeds in small bodies of water, and the larva can tolerate water that is somewhat polluted. In fact the larval stages are frequently found in garden ponds, water storage tanks and even in rain butts and blocked gutters. There are several generations in the course of the summer and in autumn the mated females may enter cellars and outhouse…

Animals that bite, sting and irritate

Aedes mosquito – pushing its proboscis into arm Parasitism is very common in the animal kingdom. It has been estimated that about a quarter of the existing animal species live in or on the remaining three-quarters. The words bite and sting are often used indiscriminately, but it is best to say that an animal bites when it uses its mouth, even when this is modified to form a sucking proboscis, and that it stings with a special organ, the sting, wh…

Symptoms

…r Scandinavian countries mosquitoes are suspected of passing summer flu virus, etc. on to humans. The problem is that although these viruses can be found in mosquitoes, there is a lack of evidence that mosquitoes actually transmit the infection….