…b 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 fly and starts to c…
Search Results for: Zebra spider
Australian spider beetle
…ly of beetles, which in Denmark amount to around 40 different species. The spider beetle family goes by the common name Ptinus in Latin and in addition to the Australian spider beetle also counts family members such as the common thief beetle (Ptinus fur) and the brass thief (Niptus hololeucus), both of which are common pest in Denmark. Appearance While the Australian spider beetle is still a larva, it can grow between 3 to 5 millimeters long. The…
The Australian spider beetle
…te, for example, in wood to make the right spot for the cocoon. Australian spider beetle Australian spider beetles thrive at temperatures around 24 ° C. Below 10 ° C development and reproduction stops. The adult beetles are active at lower temperatures, down to 2 ° C. At room temperature, development from egg to adult lasts 3-4 months. At lower temperatures, it will take longer time. Adult spider beetles are shady and nocturnal. They infest the sa…
Common house spider
…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 regular work of art, but consists of an apparently tangled mass of threads, often covered in dust. It is usually constructed in a corner and is then triangular, with the retreat hole where the spider l…
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 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…
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 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….
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….
Index
…mooth spider beetle Snout beetles Sparrow, house Spider beetle, Australian Spider beetle, golden Spider beetle, smooth Spider beetle, white-marked Stegobium paniceum Storage mite Sugar mite Supella longipalpa Surinamensis, Oryzaephilus Swallows Synanthrope species Tectus, Ptinus Tenebroides mauretanicus Tenebrio molitor Tenebrionidae Thermobia domestica Tobacco moth Tribolium castaneum Tribolium confusum Tribolium destructor Tribolium navale Trogo…
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….
Zygiella x-notata
…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, but normally it is grey-brown with a greyish pattern on its abdomen. In the circular web it is characteristic that a section is missing, .and in this area the spider draws out a thread…
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…
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…
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…
Index
…wer bug Common furniture beetle Common gnat Common house mite Common house spider Common wasp Cone bug Coniophora cerebella Copeognatha Corvus monedula Corynetes coeruleus Cossus cossus Crab louse Cranefly larvae Crataerina pallida Criocephalus rusticus Cryptolestesferrugineus Ctenocephalidesfelis Ctenocephalides canis Cu/ex pipiens Culicidae Culiseta annulata Davies’s Colletes Death-watch beetle Debris bug Delichon urbina Dendrobium pertinax Dend…
Bug Indentification
…rain beetle and larva Saw-toothed grain beetle and larva Scuttle fly Shiny spider beetle Spider beetle male Spider beetle, Sphaericus gibbioides Thysanura – Firebrat Thysanura – Silverfish Trogoderma 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…
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…
Exit-holes in timber
…abyrinth of tunnels. There is no wood dust in these tunnels, but empty larval casts are nearly always found. The pupal tunnels of larder beetles are circular in cross section, with a diameter of c. 4 mm (seep. 120). Australian spider beetle exit-holes in timber Australian spider beetle The pupal tunnels are circular in cross section, c. 2 mm in diameter. They are normally not very deep and are often only pits in the surface of the timber ( see…
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….
The active substances, venom, poison and saliva
…aliva. The greatest amounts of these enzymes are injected into humans when bitten by animals which partly digest its prey before eating it (water bugs, kissing bugs, fur mites, asparagus spider mites, etc.).The saliva might also contain actual toxins, thus there is a paralyzing agent of the curare-type in the caster bean tick saliva…
Tarantulas
…dd that it is safe to assume that there is not a word of truth in them. Moreover, it often turns out that in Denmark, a suspected tarantula is in fact the domestic house spider which can be frightening with its impressive size. A fully grown specimen takes up more than a large coin….