Search Results for: Lacewing/feed/Common house mite

Insect appearance

…his. a: antennae, b: abdomen, c: hip, ce: coxa, f: femur, g: hind-gut, the common duct from the intestine and the urinary tract, h: head with compound eyes and ocelli, ha: external genitalia p: prothorax, which is usually quite large, pe: penis (males only), r: sclerite (hardened plate in the exoskeleton), sp1: front spiracle, sp 10: rear spiracle, t: trochanter, ta: tarsus (foot) which is usually articulated and ends in claws, ti: the tibia, v1:…

(7) The rice weevil and the granary weevil

…he granary weevil also lives in the tropics, but it cannot fly and is more common than the rice weevil as we approach the temperate zones. At our latitude, both of these granivorous insects are synanthrope. The rice weevil requires more heat than the granary weevil to develop and it is not as likely to survive cold winters. In Northern Europe almost all grain stores are infested with granary weevils. Rice weevils are only seen after particularly h…

Larder beetle larvae hairs.

…nasty hairs on the abdomen. (Peterson) Many of the beetle larvae that are common in Denmark, especially the larder beetle larvae (Dermestidae), have very crafty hair. Some larder beetle larvae have spines on their tale end. The spines end in something that resembles a harpoon with 4-6 long barbs and along the shaft are 30-40 shell crests of barbs facing upwards. If larder beetle larvae feel threatened by other bugs, they turn the tail against the…

Castor bean tick

…n of the abdomen can stretch to an incredible extent. This species is very common in some areas, but not in others. This is because it requires special environmental conditions. It is, for instance, sensitive to desiccation and is therefore found mainly in damp undergrowth and other dense vegetation. A hungry tick will move up to the tip of a grass stem or out on to a leaf and wait there until an animal passes by. The castor bean tick is not fasti…

The pharaoh ant

…but can also be troublesome in canteens, hotels, hospitals and in private households. All kinds of food may be eaten by this ant. Like the common black ant, the pharaoh ant also has appetite for jam, sugar and honey. Meat products, cheese, high-fat foods, dead insects, carrion and mouse droppings are also among the things that this ant eats. In hospitals, pharaoh ants crawl into sterile products and under the patients’ bandages. Furthermore they…

Butterfly larvae hair

…Euproctis chrysorrhea and gypsy moths, Lymantria dispar, which may be very common in a few years. Furthermore, The Eastern Pine Processionary, Thaumetopoea pinivora have stinging hairs. In Denmark, the eastern pine processionary lives in Dueodde on Bornholm. In places where the hairy larvae live, the air can be full of broken, loose stinging hairs. In a few years, a species of the processionaries can be so numerous in oak forests in Southern Europ…

Detection

…can be caused by several different things, but flea excrement is the most common cause. More importantly, a negative result almost certainly proves that the pet is not infested by fleas and that it has not been infested by fleas recently. ِTraps can also be used for the detection of fleas in the home. However, the traps only attract adult fleas. Despite this, they are occasionally used to keep the flea infestation level down. Lighted candles in w…

Fruit flies

…p During summer fruit flies live mostly outdoors. In autumn they seek into houses. Fruit flies are quite rich on species. We know more than 6000 different species, but only a few of them are found indoors. Adult fruit flies are 3-4 mm long, yellowish brown. They typically fly quietly. The larvae are yellowish-white maggots. Pupae almost look like small brown seeds. Adult fruit flies are attracted to the smell of fermenting fruit and vegetables. It…

Water bugs

…uman body during bathing, they may bite. Back swimmers’ bites are painful. Common backswimmer Saucer bug Water scorpion Creeping water bugs, Naucoris cimicoides are another example of water bugs, which normally use the proboscis to suck out the intestines of their prey – and which also inflict painful bites to humans. Fig. 26. Biting water bugs live in still water. (Ib Andersen) The water scorpion, Nepa cinerea, lives in shallow ponds and lakes wh…

The body louse

…same as those of head lice. If the body lice infection has been going on for a long time general thickening and graying of the skin may occur. The phenomenon is called “Vagabond’s disease”. Body lice can transmit a number of fevers, but none of them are common in our parts of the world. Control. The whole body is treated with Permethrin shampoo, as with head lice. Dusting the clothes with insect powder may be a good idea. The clothes can also be d…