Uloborus plumipes
| Garden center spider | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Uloboridae |
| Genus: | Uloborus |
| Species: | U. plumipes |
| Binomial name | |
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Uloborus plumipes Lucas, 1846 |
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| Synonyms | |
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Uloborus plumipes is a species of Old World cribellate spider in the family Uloboridae. Common names include the feather-legged lace weaver and the garden centre spider, the latter name being due to its frequent occurrence of this spider in garden centres on the world. The species name is derived from the Latin pluma "feather" and pes "foot".
Females grow up to 6 mm. They lack venom glands, and are therefore non-venomous. A stabilimentum is sometimes present. Pattern and colouration is quite variable. In contrast to Uloborus walckenaerius, it has distinct tufts of hairs on the front legs. They are well-camouflaged as they hang upside down motionlessly in their horizontal webs. Young spiders look like dead insects and are thus hard to find on a web. The empty egg sac can often be seen attached to house plants. It is flattish, papery and brown and about 0.5 cm long, with the shape of a dried holly leaf.
Uloborus plumipes is a small spider with adult females growing to a length of about 6 mm (0.2 in). The abdomen is truncated and patterned with various irregular tubercles and granulations. The front pair of legs are uneven in appearance with the tibia clothed in dense hairs while the naked terminal segments are very slender. The colour is some shade of greyish-brown mottled with white specks.
The distribution of Uloborus plumipes is "Europe, Africa, Yemen, Pakistan, Philippines. Introduced to Argentina". It originated from warmer parts of the Old World where its typical habitat is on the trunk or among dead twigs and branches of trees. It has spread to Holland, Belgium and other parts of Europe where it is found in heated greenhouses. It was first recorded in the United Kingdom in 1992 and has since spread to many areas particularly in the south and east. It is often known as the garden centre spider because it is found on houseplants growing in hothouses in garden centres and is able to survive the winter in greenhouses that are heated to maintain a temperature well above freezing point. It may perform a useful function in helping to control whitefly.
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Wikipedia