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#stabilimentum
bonlynx · 9 months
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Stitch 🪡
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blujayonthewing · 6 months
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part of me wants to one day do a yellow garden spider for the big web project (ideally including the spider, although, I've been saying that every single year and still haven't finished it), but argiopes feel like such late summer spiders that the idea of having that be the web that's up through the fall bothers me on principle
(for reference, here is the spider in question)
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antronaut · 6 months
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Recovery of spiders from the effects of parasitic wasps : implications for fine-tuned mechanisms of manipulation
Figure 1. (a) Web, (b) hub and (c) linear silk stabilimentum of a nonparasitized adult female A. bifurca (white objects are pieces of masking tape by which the anchor lines of previous webs had been attached to the wire hoop). Thick lines in (a) indicate lengths of radii measured.
Figure 2. (a–d) Modified webs of parasitized adult female A. bifurca illustrating changes induced by larval P. gutfreundi. (a) The original frame lines of an earlier orb are longer than the interior frames of the modified orb. (b) Modified web in which all lines were coated with cornstarch and then jarred repeatedly to remove the cornstarch from all but the sticky lines. (c) V radii in a cocoon web. (d) Closeup of the hub of the web in (c) illustrating the lack of radius origins. (e) ‘Resting’ web of a nonparasitized female, which was preceded and followed by normal orbs. (f) Resting web of a mature male in the field near the web of a mature female.
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Argiope bruennichi (wasp spider), i think, somewhere in France, time stamp says in September if I am to believe it... And my thumb next to it for size reference, of course.
Fact taken from the wikipedia page:  The spider builds a spiral orb web at dawn or dusk, commonly in long grass a little above ground level, taking approximately an hour. The prominent zigzag shape called the stabilimentum, or web decoration, featured at the centre of the orb is of uncertain function, but it has been shown that webs containing stabilimenta catch fewer insects because they are less cryptic, but on the other hand these webs are less often damaged by birds flying through them.
( @onenicebugperday if you don’t mind confirming this one as well ^^;?)
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howlingday · 27 days
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Can Trifa hear someone using only vibration?
Trifa: (Hangs up picture)
Ilia: It's... a dragon?
Adam: No, it's a cow.
Sienna: Obviously, it's a cat.
Banesaw: No! It's definitely a-
Trifa: GET OUT OF MY ROOM!
Fun Fact! Certain spider species, such as Argiope Trifasciata, will decorate their webs with stabilimentum, which are web decorations. Though the purpose of making these decorations is unclear, there are a few hypotheses, such as to make the spider appear larger than it actually is, as a warning sign to other insects, or to make the web less likely to be damaged by larger animals like birds.
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onenicebugperday · 2 years
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@fullofcake​ submitted: I know this isn't the best picture but this spider was found at the top of the screening for my pool. I would like an ID if thats possible. The location is [removed]. I would like for the location to be excluded from the post thank you.
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Suuuure I’d know that stabilimentum anywhere! It’s a yellow garden spider, Argiope aurantia :)
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rainbow-scarab · 1 year
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The day I gained a favorite spider by it falling into my lap XD Presumably. Just found it there when I looked down
The black and yellow garden spider! It and other similar spiders make patterns in their webs called stabilimentum. In their case, a zig zag going vertically through the center of the web. They are fairly large (thus giving me much joy to spot easily) and not dangerous to humans.
(photos by: me)
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wonderscience · 1 year
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Despite looking low key terrifying, orb-weaver spiders are docile and non-aggressive. These two are probably feeling especially coddled in insect wrangler Diana Terranova’s sensitive hands. @dianaterranova 🕸 This particular species of orb-weaver is the Zipper spider, aptly named for the conspicuous web decoration, or “stabilimentum”, it weaves that looks like a zipper or zigzag. Entomologists debate the purpose of the silk shape, but it could serve as a conspicuous advertisement to birds to prevent the spider’s web from being accidentally destroyed. Like a bird deterrent window decal! 🕸 #halloweennails #scarynails #halloweenart #halloween #spiders #spider #spidernails #spiderwoman #zipper #zipperspider #orbweaver #insects #happyhalloween #lofi October 31, 2022 at 12:59AM via Instagram https://instagr.am/reel/CkXtZ7tjw90/
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emo-mothman · 1 year
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All spiders in the argiope genus are forklift certified. Bright yellow colors? Proof of forklift. Stabilimentum reflects uv light? What possible explanation is there for this that isn't forklift related? They're very beneficial animals and can technically harm humans but most are too gentle for that. That description also fits a forklift.
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The beautiful wasp spider (𝘈𝘳𝘨𝘪𝘰𝘱𝘦 𝘣𝘳𝘶𝘦𝘯𝘯𝘪𝘤𝘩𝘪) This striking spider is the female of the species as the male is a lot smaller and not as colourful. The zig-zag pattern in the web (the stabilimentum) is also a helpful identifying factor. • • • • #spider #spiderphotography #argiope #argiopebruennichi #spiderseason #macrophotography #naturephotography #seasonalphotography #arachnids #arachnida #waspspider #britishwildlife (at Dorset) https://www.instagram.com/p/Chb-AUPMzBs/?igshid=NGJjMDIxMWI=
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kamanori · 2 years
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ウズグモのなかまの糸網。隠れ帯(白い線が渦巻いた領域)の形は種類間だけでなく、造巣環境や種内で個体差があるらしい。隠れ帯の機能は種類により異なる。餌を誘き寄せる、蜘蛛が隠れる、、等。1983年のScienceでは飛行中の鳥が隠れ帯を認知するので巣の破壊を免れるという報告も。
cf. Spider Web Protection Through Visual Advertisement: Role of the Stabilimentum
糸の利用方法も様々。Hyptiotes cavatusは糸の力学を利用し、最大772.85メートル毎秒毎秒の加速度で自身の体を前方に射出。かつこのときに糸網が揺れるので獲物を積極的に絡めとることができる。
cf. External power amplification drives prey capture in a spider web
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antronaut · 6 months
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The Form and Function of Spider Orb Webs : Evolution from Silk to Ecosystems
Stabilimenta in spider orb webs (A–C) various morphologies of silk stabilimenta in the webs of Argiope argentata (Costa Rica). (D) Spiral silk stabilimentum in the horizontal orb web of Uloborus glomosus (USA). (E) Curled leaf ‘stabilimentum’ in the web of an unidentified araneid (New Britain). (F) Debris stabilimentum at the hub of the web of Cyclosa caroli (Costa Rica). The spider is sitting at the centre of its hub and its horizontal orientation matches that of the stabilimentum. (G–I) Stabilimenta are commonly included in the resting webs built by spiders preparing to moult or lay eggs. (G) Nephila clavipes (Costa Rica). (H) Argiope argentata (Costa Rica). (I) Cyclosa caroli (Costa Rica)
Theridiid cobwebs and linyphiid sheetwebs (A–B) the cobweb of Parasteatoda (Achaearanea) valoka from New Britain. The web is unique in how a leaf is bent over and used as the substrate for the entire web, yet it illustrates common themes of typical cobwebs—a central to peripheral irregular sheet forming a retreat for the spider with sticky gumfooted threads radiating from it and attached to the substrate (A), with sticky globules restricted to the lower part of the gumfoot lines (B). (C) a ‘star web’ (Achaearanea sp. juvenile) as built by many Achaearanea/Parasteatoda species, with a semi-global central retreat, and radiating gumfoot lines. The spider rests in the centre of the ‘globe’ and seems well protected from larger predators. (D) Theridion sp. that spins a simple two-dimensional sheet with sticky globules distributed throughout the sheet. The spider has a silk retreat under the leaf. (E)Helvibis cf. thorelli, with long gumfoot lines radiating from a silk retreat under a leaf. (F) subsocial web of Anelosimus may, a ‘basket’ shaped sheet web with knockdown lines above the sheet. No sticky silk seems to be employed. The spiders rest under leaves in the basket area and seem well protected from larger predators. (G) sheet web of Dubiaranea sp. (Linyphiidae) (photograph courtesy of W. Eberhard)
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hisj · 4 years
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Spider praying upon the dragonfly 網に白帯(はくたい)が目立つことからコガネグモであることがすぐに分かる。白帯の機能については諸説あるが、飛翔能力も視力も優れたトンボさえ囚われてしまうことから、獲物を誘引するとの説に賛成したい。従って、隠れ帯と呼ぶことはしない。 #Argiope_amoena #Argiope #spider #コガネグモ #webdecoration #stabilimentum #orbweb #spider #白帯(はくたい) #スタビリメンタム #Uloboridae #ウズグモ科 (総社緑地) https://www.instagram.com/p/CF32v6UgO76/?igshid=e3125y1lwlub
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firdousparray · 4 years
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#wasp_spider's web contains a zig-zag band of thick silk called a #stabilimentum #spiders #worldspider #world_of_spiders #species #natgeowild #natgeoyourshot #natgeoindia #natgeophotography #wildlifeofindia #wildlifephotography #wildlife_perfection #naturephotography #macrofoto #macrophotography #macro_captures_ #macrolovers #macroworld #mobilephotography #mobilephotographyindia #mobile__clickzzz #mobilephotography #mobile__photography___ (at World of Peace) https://www.instagram.com/p/CDMGUyCJvmf/?igshid=buken4ij1kcp
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myrachidh · 4 years
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Wasp Spider ~ Zebra Spider ~ Argiope bruennichi ~ Argiope frelon ~ Argiope rayée ~ Argiope fasciée ~ The fancy silk structure around the spider is The Stabilimentum ~ Karavomilos ~ Kefalonia, Greece ~ Hellas #Wasp #Spider #WaspSpider #ZebraSpider #Argiope #Argiopebruennichi #Argiopefrelon #Argioperayée #Argiopefasciée #Stabilimentum #Karavomilos #Kefalonia #GreekIslands #Greece #Hellas #Ellada #Entomology #macros #macrophotography #macroofinstagram #insects #insectsofinstagram #Wildlife #wildlifephotography #naturephotography https://www.flickr.com/photos/rachidh/albums (at Karavomilos Kefalonia) https://www.instagram.com/p/B6rZJagAvZ0/?igshid=1q8a41d2mvbwr
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brvd · 7 years
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#spider #animals #gardenspider #stabilimentum #webdecoration #argiope #crossspider (à Presqu'île d'Arvert)
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