Synageles Venator
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''Synageles venator'' is a species of ant-like
jumping spider Jumping spiders are a group of spiders that constitute the family (biology), family Salticidae. , this family contained over 600 species description, described genus, genera and over 6,000 described species, making it the largest family of spide ...
. It occurs in the
Palearctic The Palearctic or Palaearctic is a biogeographic realm of the Earth, the largest of eight. Confined almost entirely to the Eastern Hemisphere, it stretches across Europe and Asia, north of the foothills of the Himalayas, and North Africa. Th ...
region as well as North Africa; it has also been found in eastern Canada and British Columbia. In Central Europe it is the most common ant-like jumping spider.Bellmann 1997: 238


Description

Female are about four millimeters long, males slightly smaller. They are similar to the jumping spider '' Leptorchestes berolinensis'', but feature a white line on the back of their heads.


Effect of mimicry

These spiders are virtually indistinguishable from ants, even for humans looking at them rather closely. They move rapidly like an ant, and even raise their second pair of legs like an ant's antennae. Hand-raised
tits TIT, Tit, Tits, or tit may refer to: Birds * Tit (bird) or Paridae, a large family of passerine birds ** Penduline tit or Remizidae, sometimes included in Paridae as Remizinae * Bearded tit, a small reed-bed passerine bird * Long-tailed tits o ...
that had never come in contact with ants ate spiders of this species readily. However, after their first encounters with real ants, and the nauseating effect of their
formic acid Formic acid (), systematically named methanoic acid, is the simplest carboxylic acid. It has the chemical formula HCOOH and structure . This acid is an important intermediate in chemical synthesis and occurs naturally, most notably in some an ...
, they refrained from eating ''S. venator''.


Footnotes


References

* (1997): Kosmos-Atlas Spinnentiere Europas. ''Kosmos''.


External links

*Salticidae.org
Diagnostic drawings
{{Taxonbar, from=Q1059192 Salticidae Spiders of Europe Spiders described in 1836 Spiders of North America Palearctic spiders