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#jumping spiders
gardeneticist · 1 year
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I think one of my favourite jumping spiders is Opisthoncus necator just because its common name is just “The Murderer” for some reason, so if I ever go to look at it on iNat, I am greeted with this very accusatory title and what is essentially its mug shot
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entomologize · 1 year
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Random fact: Although jumping spiders can't move their eyes, they can move their retinas to change their field of view. It's as if they're looking through a window.
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If the spider is clear enough, you can even see the retinas moving through the cephalothorax:
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Image sources: Melvyn Yeo, M.F. Land, and wmaddisn
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ljsbugblog · 1 month
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we finally found another Myrmarachne ant mimic, in our bathroom of all places.
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I've been itching to get some more photos of these spiders since getting my speedlite, but they're very elusive and almost constantly in motion. thankfully this lady was content to explore a sheet of cardboard while I took a million photos of her like a madman.
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special shoutout to my wonderful partner for a) spotting the spider in our house and b) wiggling their fingers in front of her to keep her attention while I got these photos (it seems jumping spiders are the wayward cats of the arthropod world lol).
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I'll link my other Myrmarachne post here, as its interesting to compare the colouration of the two individuals. likely the same species, but my previous sighting had a much brighter gold on her abdomen.
Red-headed Ant-mimic Spider, female (Myrmarachne erythrocephala).
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luxiiien · 5 months
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Had the pleasure to bump into this wonderful creature ✨️
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kedreeva · 8 months
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Willow, asking for Uppies!
[video id: a female regal jumping spider with pink chelicerae is standing on a hand tapping her front legs on the person's skin and then raising them up while also looking up. She puts them down and then looks around, then walks down the person's arm closer to them and turns to raise her arms again like a small child asking to be picked up.
End ID]
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spiderdaynightlive · 2 months
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It's been a long day.
You're exhausted.
And while your eyes are usually incredibly sharp, for this ability, your ancestors traded away every. last. scrap. of night vision.
Nevertheless, the dark is full of predators. So, on the underside of a leaf, a Lyssomanes jumping spider mom remains awake, vigilantly listening and feeling for any threats to her spiderlings.
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(this is part of @franzanth's Insert An Invert project, meant to get y'all curious about bugs and other Invertebrates, so you try including em in your art. February's theme is "Relationships")
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rattyexplores · 1 month
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10/09/21 - Photos 1-2 - C. baehrae
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04/03/23 - Photos 3-4 - C. bitaeniata
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24/11/23 - Photos 5-6 - C. thalassina
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23/06/23 - Photos 7-8 - C. micarioides (different specimens)
So far, these are the four species of Cosmophasis I've come across. Lovely iridescent jumping spiders.
10/09/21-24/11/23 - Cosmophasis spp.
QLD:WET-BRB
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lychens · 3 months
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biggest wettest (stone cold killer) eyes in the whole wide world
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celestialmacros · 6 months
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Friendly faces along the trail.
Autumn Meadowhawks (Sympetrum vicinum)
Handsome Meadow Katydid (Orchelimum pulchellum)
Bronze Jumping Spider (Eris militaris)
Carolina Mantis (Stagmomantis carolina)
October 27, 2023
John Heinz National Wildlife Refuge, Tinicum, Pennsylvania
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Why is she so cute 😍
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sarahmackattack · 9 months
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I took a picture of this spider and after reviewing the pics it kinda looks like it's spider night at the Prom?? It's so cute??
Spider brought you a corsage!!!! Picked it just for you!!!
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uncharismatic-fauna · 3 months
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Uncharismatic Fact of the Day
If this ant looks odd, that's because it's not an ant-- it's actually a spider! Members of the genus Myrmarachne are a prime example of Batesian mimicry: juveniles or adults (or both) resemble that of an ant, and when it's threatened it positions its front legs to resemble an ant's antennae. Because ants often have strong defensive traits like powerful pincers or harmful toxins, potential predators avoid them-- and anything that looks like them.
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(Image: A female two-colored ant mimic (Myrmarachne bicolor) by Robert Whyte)
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chaoticace2005 · 29 days
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About Angel and spiders
Did you know that some jumping spiders eat other spiders? Not during mating ( though that one raises a question whether or not Angel's preference of bottoming can be analogous to female spiders, aka "dance and give me gifts or I'll eat you"). Portia spiders hunt other spiders, often by pretending to be caught and trashing in the webs to lure the web owner out. Oh, they also follow laser dots like cats do, and have really fast-acting venom because they don't restrain their prey with webs
I HAD A WHOLE THING TYPED OUT AND NOW ITS GONE 😭
Okay, retyping: I knew about the venom being used to paralyze prey since they don’t rely on webs to capture them, instead using more of their jumping. I did NOT know about them eating other spiders! And the way you described the portia reminds me of a damsel in distress rouse, which is something I can definitely see Angel doing 😂
Also the laser dot this is so interesting! And now I need to think of a situation with him and Husk where that could come out.
Some other jumping spider (and general spider) things I’ve found too
-Jumping spiders sleep by hanging on a single thread
-Jumping spiders can jump up to 40x their body length, and attach silk before jumping or a surface to act as a precaution and/or break
-Spiders don’t have vocal cords, but instead produce sounds by interacting/vibrating other objects
-Spiders can regenerate legs (often lost in molting), pedipalps (pincher looking things), mouthpieces, and silk spinners
-Fur holds air, allowing them to have an additional temporary air supply when underwater
-Can essentially use silk as a parachute, “ballooning”
-Grip walls using hair on feet, which have grip strength up to over a 100x body weight
-Sensitive to infrared radiation and low frequency (80-400 hz) sounds
-Mentioned in previous post but they lack noses, tongues, and ears , instead perceiving that stuff though chemoreceptors (smell/taste) and hair cells (hearing) on legs
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ljsbugblog · 6 months
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exciting find today!! I believe this is a Red-and-Black Ant Mimic, a species of jumping spider evolved to mimic Strobe ants (family Opisthopsis). While I dont have a positive ID, this female looks like she's mimicking the Black-Headed Strobe Ant (Opisthopsis rufithorax).
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Ant mimic spiders (Salticids or otherwise) are so fascinating to me, but I rarely get to see them, let alone get a clear photo. This girl was moving around so quickly (also mimicking the quick, jagged movements of Strobe ants) and I didn't have my macro on me, so sorry for the photo quality! she's too cool not to share anyway imo :,)
🕷!!!
Red-and-Black Ant Mimic, female (Myrmarachne bicolor).
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summerwages · 8 months
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munchies..
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kedreeva · 8 months
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FINALLY managed to get a photo of her adorable little pink chelicerae!!!
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