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Agelenidae
Agelena labyrinthica (Clerck, 1757)
EOL Text
labyrinthicaAgelenaAraneaeArachnidaArthropodaAnimalia
Agelena labyrinthica (Clerck, 1757)
Distribution
Palearctic.
Notes
Previously recorded from Preseka: ( Lazarov 2004 ).
License | Public Domain |
Rights holder/Author | No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation. |
Source | http://treatment.plazi.org/id/37F4E231614ED3D08FCBCE47A005D25D |
labyrinthicaAgelenaAgelenidaeAnimalia
Agelena labyrinthica (Clerck, 1757)
Materials
Type status: Other material Occurrence: recordedBy: Kostanjšek , RTŠB 2011 ; sex: 1 female; Location: locationID: SI01; country: Slovenia ; locality: Bis ; minimumElevationInMeters: 225; maximumElevationInMeters: 225; decimalLatitude: 46.5374 ; decimalLongitude: 15.8963 ; Event: eventDate: 2011-07-22 ; habitat: forest
Type status: Other material Occurrence: recordedBy: Čandek ; sex: 2 females, 1 male; Location: locationID: SI61; country: Slovenia ; locality: Sekirisce ; minimumElevationInMeters: 750; maximumElevationInMeters: 750; decimalLatitude: 45.8631 ; decimalLongitude: 14.5367 ; Event: eventDate: 2011-06-23/2012-06-21 ; habitat: house, grassland, overgrowth
License | Public Domain |
Rights holder/Author | No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation. |
Source | http://treatment.plazi.org/id/31AF1A588E5595A13F521BE101B37811 |
labyrinthicaAgelenaAgelenidaeAnimalia
Agelena labyrinthica (Clerck, 1757)
Materials
Type status: Other material Occurrence: recordedBy: Kostanjšek , RTŠB 2011 ; sex: 1 female; Location: locationID: SI01; country: Slovenia ; locality: Bis ; minimumElevationInMeters: 225; maximumElevationInMeters: 225; decimalLatitude: 46.5374 ; decimalLongitude: 15.8963 ; Event: eventDate: 2011-07-22 ; habitat: forest
Type status: Other material Occurrence: recordedBy: Čandek ; sex: 2 females, 1 male; Location: locationID: SI61; country: Slovenia ; locality: Sekirisce ; minimumElevationInMeters: 750; maximumElevationInMeters: 750; decimalLatitude: 45.8631 ; decimalLongitude: 14.5367 ; Event: eventDate: 2011-06-23/2012-06-21 ; habitat: house, grassland, overgrowth
License | Public Domain |
Rights holder/Author | No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation. |
Source | http://treatment.plazi.org/id/C54D73F3B2C2E06843CF9F88001BEC11 |
labyrinthicaAgelenaAraneaeArachnidaArthropodaAnimalia
Agelena labyrinthica (Clerck, 1757)
Distribution
Palearctic.
Notes
Previously recorded from Preseka: ( Lazarov 2004 ).
License | Public Domain |
Rights holder/Author | No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation. |
Source | http://treatment.plazi.org/id/3AEBDBC87441FD56AEDCB382030108AC |
Agelena labyrinthica is prey of:
Psammochares fuscus
Based on studies in:
England, Oxshott Heath (Heath, Plant substrate)
This list may not be complete but is based on published studies.
- O. W. Richards, 1926. Studies on the ecology of English heaths III. Animal communities of the felling and burn successions at Oxshott Heath, Surrey. J. Ecol. 14:244-281, from pp. 263-64.
License | http://creativecommons.org/licenses/by/3.0/ |
Rights holder/Author | Cynthia Sims Parr, Joel Sachs, SPIRE |
Source | http://spire.umbc.edu/fwc/ |
Agelena labyrinthica preys on:
Psen
Oxybelus uniglumis
Crossocerus wesmaeli
Ichneumonidae
Exochomus quadripustulatus
Coccinella septempunctata
Anatis ocellata
Adalia bipunctata
Syrphus vitripennis
Sphex sabulosa
Dilachnus pini
Based on studies in:
England, Oxshott Heath (Heath, Plant substrate)
This list may not be complete but is based on published studies.
- O. W. Richards, 1926. Studies on the ecology of English heaths III. Animal communities of the felling and burn successions at Oxshott Heath, Surrey. J. Ecol. 14:244-281, from pp. 263-64.
License | http://creativecommons.org/licenses/by/3.0/ |
Rights holder/Author | Cynthia Sims Parr, Joel Sachs, SPIRE |
Source | http://spire.umbc.edu/fwc/ |
تسجيلات العينات: | 7 |
العينات ذات التسلسل: | 0 |
العينات ذات الباركود: | 0 |
السجلات العامة: | 0 |
الأنواع: | 1 |
الأنواع ذات الباركود: | 0 |
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مواقع الجمع : خريطة العالم توضح مواقع جمع عينات عنكبوت أجلينا لابيرينثيكا.
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 16
Species With Barcodes: 1
Agelena labyrinthica is a species of spider in the family Agelenidae, which contains 1146 species of funnel-web spiders.[1]
It is a widespread species in Europe.[1] It is recorded in the checklist of Danish spider species.[2]
Contents
Range and habitat[edit]
A. labyrinthica build flat plate surface webs connected to funnel-shaped retreats similar to labyrinths, which are typically constructed between low lying grass and vegetation.[1] These webs can be at ground level, or up to 1.5 metres (4 ft 11 in) from the ground, however, the majority are found approximately 60 centimetres (24 in) off of the ground.[1][3] These spiders are fairly common in Europe and Central Europe, and are typically concentrated in areas near forests and low lying vegetation, as well as in dry grasslands.[1]
Description[edit]
Funnel-web spiders typically range in size from 8–12 millimetres (0.31–0.47 in) for males and 10–14 mm (0.39–0.55 in) for females.[1]Agelena labyrinthica, however, has a body length of up to 18 mm (0.71 in).[3] The abdomen is dark with a pale central band flanked by white chevron marks.[1] The cephalothorax is yellow-brown and bears two, broad longitudinal stripes positioned towards the front of the spider.[1]
Common to all spiders in the family Agelenidae, is the prominent pair of two segmented posterior spinnerets.[1] However, in A. labyrinthica these segmented spinnerets are further elongated, with the second segment being almost twice the length of the basal segment.[1] Another morphological feature of A. labyrinthica is the spider's venom apparatus. Showing many similarities with the species Loxosceles intermadia, the venom glands of A. labyrinthica generally consists of paired structures located in the spider's abdomen.[4] These paired structures interact with two ducts that lead into the spider's fangs.[4] The venom glands of A. labyrinthica are considered to be relatively large, and extend out of the chelicerae to reach the middle of the abdomen.[4] The venom glands of A. labyrinthica also are unique in that they are long and tubular and are surrounded by a layer of muscles that encircle the glands.[4]
Sensory organs[edit]
Different from other spiders in the family Agelenidae, the A. labyrinthica, has a set of at least four trichobothria on the upper side of their tarsus of the first pair of legs.[1]A. labyrinthica have approximately 25 trichobothria per walking leg.[5][6] These hairs help the spider detect prey that has been caught in its web, or even prey that is near enough to cause vibrations in its web.[1] The trichobothria hairs essentially act as a long-distance sensory system for A. labyrinthica that helps them detect prey with great accuracy and speed.[1]
Spatial perception[edit]
Having to travel between its sheet web and its funnel shaped retreat, A. labyrinthica have shown signs of detour compensation that allow the spider to orient itself and navigate even in complete darkness.[5] Using its eyes to quickly navigate its web, A. labyrinthica is able to detect the plane of polarized light present, and position itself relative to it in order to maintain its orientation.[6] However, being a web building spider, A. labyrinthica does not rely exclusively on visual stimuli for navigation and orientation.[7]A. labyrinthica also relies on its idiothetic orientation, as well as directional cues such as gravity, to gain its bearings no matter where it is.[5]
Reproduction and life cycle[edit]
Typically in the middle of July, A. labyrinthica will begin its mating period.[1] Using its pedipalps, the male will tap on the web of the female in order to advertise himself as a potential mate.[1] If the female is ready, she will remain in her funnel, where they then mate.[1] During about August of the same year, the female will create a large, white egg sac, containing roughly 50-130 eggs, which is then transported outside and hung from the edges of the web with multiple radiating bands of silk.[1] The egg sac is allowed to hang freely, camouflaged with grass and leaves, until the newly born spiders hatch from the egg sac.[1] Over the winter of the same year, the young spiders survive off of the egg yolk stored in their abdomens, and leave the next spring.[1]A. labyrinthica is similar to other species of spider in the respect that they practice matriphagy. During the incubation phase, the female A. labyrinthica stays with developing egg sacs, yet if the female dies before the incubation phase is over, the corpse will be eaten by the young upon hatching.[3]
References[edit]
- ^ a b c d e f g h i j k l m n o p q r s Christoph Hörweg & Jason Dunlop. "European Spider of the Year 2011". European Society of Arachnology. Retrieved September 24, 2011.
- ^ Checklist of Danish Spiders (Araneae). Version 26-10-2011 (list)
- ^ a b c "Labyrinth spiders - Agelena labyrinthica". UK Safari. Retrieved September 24, 2011.
- ^ a b c d N. Yigit. "A morphological study on the venom apparatus of the spider Agelena labyrinthica (Araneae, Agelenidae)". Turkish Journal of Zoology 28: 149–153.
- ^ a b c Friedrich G. Barth (2002). "Introduction". A Spider's World: Senses and Behavior. Berlin: Springer. pp. 310–311. ISBN 978-3-540-42046-0.
- ^ a b Rainer F. Foelix (2010). Biology of Spiders (3rd ed.). Oxford: Oxford University Press. pp. 107–108. ISBN 978-0-19-973482-5.
- ^ Joaqín Ortega-Escobar (2002). "Evidence that the wolf-spider Lycosa tarentula (Araneae, Lycosidae) needs visual input for path integration" (PDF). Journal of Arachnology 30 (3): 481–486. doi:10.1636/0161-8202(2002)030[0481:ettwsl]2.0.co;2.
License | http://creativecommons.org/licenses/by-sa/3.0/ |
Rights holder/Author | Wikipedia |
Source | http://en.wikipedia.org/w/index.php?title=Agelena_labyrinthica&oldid=651665206 |