Spider – Zygiella X-notata Spiders can build their webs in several different ways depending upon the species, but for most people a true spider’s web will always be one of the elegant, circular, so- called orb webs, as spun by, for instance, the Common garden spider. Zygiella x-notata is a smaller orb-web spider which is very common in the house, sometimes building its web in a window. The spider itself varies somewhat in pat- tern and coloration…
Search Results for: Spider - Zygiella X-notata
Australian spider beetle
…ir own whitish cocoon in which they pupate. The cocoon has an almost tissue-paper-like appearance, and the webs of the larva can be seen as thin threads and spun cocoons in the infested area. The development from larva to fully adult thief beetle lasts about 3 to 4 months if the larva has good conditions e.g., at room temperature. When the larvae are fully developed, they most often leave this safe area. This means that they sometimes have to clim…
The Australian spider beetle
…table on the northern hemisphere, that it drove away the more common, white-marked spider beetle. It is now widespread all over the world. The adult beetle is 3-4 mm long and reddish brown. Elytrons are densely covered with short hair. The larvae are 3-5 mm long, yellowish white with dark heads. They are curved and have small legs. An adult female lays about 1000 eggs in a lifetime. The eggs are sticky and are laid on the things larvae can live on…
Common house spider
…dy alone may be as much as 1 cm long and the long legs can give a span of 5-6 cm. This spider can be found in all sorts of places where there is sufficient humidity, such as bathrooms and outhouses. It also occurs under the eaves of houses and in stone walls. The common house spider is an impressive animal. It can get so big that some people think it may be a tropical bird spider. Unlike that of many other species, the web of this species is not a…
Zebra spider
…do not spin a web but hunt their prey actively. These include the hunting spiders, and the zebra spider which is quite a small representative of this group can often be seen on the walls of a house, especially if the sun is shining. The spider’s behaviour changes when a fly or other small insect lands nearby. It crouches down, turns the large, square front part of its body (the cephalothorax) with the four large and four small eyes towards the fl…
Spider beetles
…beetles are closely related to furniture beetles. They look somewhat like spiders. The adults move quite slowly around on their long legs. There is a clear narrowing between the chest and the arched abdomen. Spider beetles often play dead when disturbed. Most of the species rarely use their wings and usually the beetles are brought from place to place with goods or packaging. The newly hatched larvae are active, but once they have found a food so…
The golden spider beetle
Latin: Niptus hololeucus Golden spider beetle This spider beetle is studded with long golden hair. It infests the same types of products as the first two mentioned spider beetles. When occurring in a warehouse it is often because it has been able to eat dead insects, dry carrions or rodent droppings. The adult golden spider beetles do bite holes in woollen textiles. The beetles are shady, nocturnal, and are active in temperatures down to 5 ° C. T…
The smooth spider beetle
…Latin: Gibbium psylloides The shiny spider beetle Shiny spider beetle The smooth spider beetle lacks hair and is rather reminiscent of a small glass drop that moves slowly around on its long legs. It occurs as a grain pest in warm countries such as India. Like the other spider beetles it can live of a wide range of dry animal and vegetable substances. It is sometimes imported with spices….
The white-marked spider beetle
Latin: ptinus fur. White-marked spider beetle The white-marked spider beetle appears in the same type of products as the Australian spider beetle, that is, in dry organic substances. It is not as common as the Australian spider beetle in storages, but it is common in nature. Males are elongated, with almost parallel sides, while the female has round arched elytrons. On the prothorax, it has two stripes of closely spaced white-yellow hair, which c…
Index
…s Violacea, Necrobia Warehouse moth 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…
Shiny spider beetle
…Shiny spider beetle (Latin: Gibbium psylloides) Shiny spider beetles in saffron A less active spider beetle, wich crawls around slowly on it’s long legs. It may attack cereals and cereal products in, for example, India, where it is sometimes a pest. In Europe it is occasionally found in imported goods….
The golden spider beetle
…den hair. It infests the same types of products as the first two mentioned spider beetles. When occurring in a warehouse it is often because it has been able to eat dead insects, dry carrions or rodent droppings. The adult golden spider beetles do bite holes in woollen textiles. The beetles are shady, nocturnal, and are active in temperatures down to 5 ° C. The development time from egg to adult is one year at 15 ° C, and half a year at 18-20 ° C….
Australian spider beetle
( Latin: Ptinus tectus) Australian spider beetle This species arrived in Europe from Australia as recently as 1900, but it is now common more or less everywhere. The female can lay up to 1000 eggs, and the larvae will live in all kinds of dried plant products, such as grain, flour and spices. They may also breed in birds’ nests and in desiccated carrion. In lofts and warehouses they can make do with the remains of insects and rat or mouse faeces…
White-marked spider beetle
…White-marked spider beetle (Latin: Ptinus fur) Nowadays this European beetle is not as common as the Australian species just described. It eats the same kinds of food, including offal, but it is never a serious pest, partly because the female lays only about 50 eggs. This beetle is found both indoors and out in the open in Britain….
Golden spider beetle
…Golden spider beetle (Latin: Niptus hololeucus) In this beetle the body is closely beset with yellow hairs. It can feed on almost anything and when it appears in a house, the source of infection may be dead chicks in a bird’s nest or little collections of seeds in the loft. Now and again this beetle has been recorded as a pest of textiles….
Spider beetles
…Spider beetle Latin: Family Ptinidae As mentioned on p. 75 these beetles attack a little of everything and they do not go out of their way to gnaw textiles. Their gnawing activities can normally be recognized by the small, regular, round holes and the absence of silk….
Spider beetle larvae
…Spider beetle larvae behave similar to dermestid beetles, but their pupation tunnels are smaller….
Drugstore-, tobacco-, spider- and dermestid beetles
…Cockroaches have been gnawing in book bindings Drugstore beetles, tobacco beetles, spider beetles, dermestid beetles and moth larvae, to name only a few, will gnaw through paper, cardboard and plastic packing, and holes in the packaging will often be the first sign that the goods contain live animals….
Thaumatoniyia notata
These are small, yellowish flies with black markings which enter houses in the autumn, sometimes in enormous numbers. They can easily be confused with vinegar flies (p. 80), but they are a paler yellow; they do not visit foodstuffs and, in fact, are quite harmless indoors. These small flies will nearly always be attracted to the upper storeys of a house and very often to houses covered with ivy or Virginia creeper, for this type of dense vegetati…
Ciniflo fenestralis
Lace webbed spider, Ciciflo fenestralis Commonly known as: Lace webbed spider (Latin: Ciciflo fenestralis) A common spider in cellars and outhouses, on doorframes and walls; the web is sometimes seen stretched across a window pane. In addition to the normal three pairs of spinnerets, this spider (and many others) has an additional spinning organ, known as the cribellum, which has a large number of pores and has been likened to a sieve. The silk w…
Steatoda bipunctata
Commonly known as: Rabbit hunch spider Rabbit hutch spider, Steatoda bipunctata This spider is frequently seen in buildings particularly outhouses, lofts and cellars. It is chocolate-brown, and the abdomen, which has a pale stripe across the front edge, shines as though oiled. The web consists of an open mesh with threads running either vertically or obliquely to the substrate. These threads are sticky at the ends which become attached to the sub…
Spiders
…ut continued to live for several months. On the right, you can see a male. Spider Spiders (Araneae) live by catching and sucking other animals dry. For stabbing and killing their prey, they have a set of chelicerae (jaws).The edge of the jaws is a curved, hollow hook, through which venom from the venom gland can be squeezed into the prey. Spiders’ venomous fangs are almost never used as defense weapons. If the fangs end up in human skin, it is hig…
Spider beetles
(Latin: Ptinidae) These beetles have a certain resemblance to spiders, for they have very long legs and a marked constriction between the thorax and the arched abdomen. Many of the species are practically speaking omnivorous. The newly hatched larvae are very active, but once they reach a source of food they soon become fat and almost immobile. They can spin a kind of silk and often sit sheltered in loosely spun cocoons. The fully grown larvae so…
Index
…ax Ernobius mollis Euscorpius italicus Falco tinnunculus False scorpion Fan-bearing wood-borer Fannia canicularis Firebrat Flat grain beetle Fleas faeces Flies, faeces Flour beetle Flour mite scent Flour moth Fly bug Forest flies Forficula auricularia Formicoidea Fungus Fungus beetles Furniture beetles faeces Gamasid mites Garden ant Gas trodes ferrugineus Geophilus carpophagus German cockroach German wasp Gibbium psylloides Glycyphagus domesticus…
Bug Indentification
…a dermestid beetle Tropical warehouse moth Vinegar fly Warehouse moth White-marked spider beetle Wine moth larva from yellow mealworm beetle Yellow mealworm beetle Yellow-necked mouse excrement When someone finds a new animal, which is not yet known to science, and describes its appearance, it is the describer’s privilege to give it a species name – in Latin. Along with a family name, also in Latin, placed in front, this gives it a unique identifi…
Index
…eoptrata Sebocan Seven-spot lady bug Simuliidae Siphonaptera Solitary bees Spider Spiders Spilopsyllus cunicu1i Spirokæt-infektion Squirrel fleas Stable fly Stenepteryx hirundinis Stinging hairs Stinging jellyfish Stinging tentacles Stomoxys calcitrans Storage mite Storage mites Storm bug Stueflue Stylostom Sucking louse Sulphur ointment Tabanidae Tabanus bovinus Tactic veto Tarantula Tarsonemus Tarsonemus rakowiensis Tegenaria domestica Tentacles…
Yellow swarming fly
Latin: Thaumatomyia notata Thaumatomyia notata is the Latin name for the yellow swarming fly, which is especially visible in autumn, 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…
Exit-holes in timber
…d lens-shaped (see p. 125). Fan bearing wood borer exit-holes in timber Fan-bearing wood-borer The exit-holes have a diameter of 0-1.5 mm. The larvae are found in the sapwood on deciduous trees. The wood dust is very fine and rat her like talc (see p. 125). Powder post beetle exit-holes in timber Powder post beetles The exit-holes have a diameter of 0-1.5 mm. The larvae most frequently occur in the sapwood of oak, but may also be found in various…
Spiders
…owever, apply to species living in the temperate parts of Europe. Spiders play an extremely important part in keeping the populations of certain insects down to a reasonable level. An American spider expert has calculated that in many parts of the world man would have great difficulty in surviving if there were no spiders to keep the insects in check….
On pests in general
…erations. It is rather more difficult to decide how many invertebrates can be tolerated in a home. Most people will not be concerned if there are a few flies buzzing around the lights or the odd spider in a corner of the garden shed, but it must be recognized that for some people the presence of a single invertebrate in the house is a traumatic experience….