#arachnids — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #arachnids, aggregated by home.social.
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Some kind of Orb-weaver spider I think.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #web
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Some kind of Orb-weaver spider I think.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #web
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Some kind of Orb-weaver spider I think.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #web
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Some kind of Orb-weaver spider I think.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #web
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Some kind of Orb-weaver spider I think.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #web
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A Black and yellow garden spider that caught a Common bumble bee.
There are small holes in the silk from several bites.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #bee #bees #web
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A Black and yellow garden spider that caught a Common bumble bee.
There are small holes in the silk from several bites.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #bee #bees #web
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A Black and yellow garden spider that caught a Common bumble bee.
There are small holes in the silk from several bites.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #bee #bees #web
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A Black and yellow garden spider that caught a Common bumble bee.
There are small holes in the silk from several bites.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #bee #bees #web
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A Black and yellow garden spider that caught a Common bumble bee.
There are small holes in the silk from several bites.
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #bee #bees #web
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CW: Spider, being a spider
Heyo friends, I met a #spider!
At one point I brought the camera too close and alarmed the poor thing, but it chilled out again after I backed off. Wild to me how spikey their legs are.
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CW: Spider, being a spider
Heyo friends, I met a #spider!
At one point I brought the camera too close and alarmed the poor thing, but it chilled out again after I backed off. Wild to me how spikey their legs are.
-
CW: Spider, being a spider
Heyo friends, I met a #spider!
At one point I brought the camera too close and alarmed the poor thing, but it chilled out again after I backed off. Wild to me how spikey their legs are.
-
CW: Spider, being a spider
Heyo friends, I met a #spider!
At one point I brought the camera too close and alarmed the poor thing, but it chilled out again after I backed off. Wild to me how spikey their legs are.
-
CW: Spider, being a spider
Heyo friends, I met a #spider!
At one point I brought the camera too close and alarmed the poor thing, but it chilled out again after I backed off. Wild to me how spikey their legs are.
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A Spined micrathena being lovely
#nature #naturephotography #wildlifephotography #michigan #animals #wildlife #photography #spider #spiders #arachnid #arachnids #web
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Look at this cutie that posed for me once! 🕷️🤎
From 2023
#photography #photo-friday #digital-photography #original-photography #animals #invertebrates #arthropods #arachnids #salticidae #spiders #spider #jumping-spider #cute #old-piece -
#Mouthparts in #mites of the #Acariformes are usually normal shaped as typical for #arachnids. The #chelicerae are the feeding organs consisting of digitus fixus and d. mobilis. #Pedipalps have sensing functions with different kinds of #sensoryorgans. In #Histiostomatidae (#Astigmata) the whole #gnathosoma is modified into a complex #filterfeeding organ that creates an #underpressure on #food surfaces.
© #StefanFWirth Berlin 2026Reference
S. F. Wirth (2023)
https://www.fao.org/fileadmin/user_upload/GSP/GSOIL4N/GSOIL4N-Posters/ID_167.pdf -
#MiteMonday: a tiny _Podocinum_ mite found under a rock. Its extremely thin elongated front legs have forked hairs at the end, and it seems to use these legs like antennae to navigate.
Much better pictures here: https://bugguide.net/node/view/514391
#Mitestodon #arachnids #mites #Acari #Parasitiformes #Mesostigmata #Podocinidae
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#Arachtober 28: clover mite (_Bryobia_) in a bright patch of lichen.
#ArthroBeauty #LichenSubscribe #DailyMitePic #Mitestodon #CloverMites #arachnids #mites #Acari #Acariformes #Prostigmata #Tetranychidae #Bryobiinae
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#Arachtober 25: now for something entirely different, a penthaleid mite (https://bugguide.net/node/view/263374) feeding on a dandelion leaf. Species like the common _P. major_ (which this probably is) have a #DorsalAnus and excrete these globules as they feed, often hanging upside down on the undersides of leaves or vertically on blades of grass.
(If you think a dorsal anus is wild, certain astig females have secondary dorsal genital openings for copulation.)
#ArthroBeauty #DailyMitePic #Mitestodon #arachnids #mites #Acari #Acariformes #Prostigmata #Penthaleidae
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#Arachtober 23: witnessed some interesting behaviour between two long-legged velvet mites (family Erythraeidae, likely genus _Balaustium_) on a tree trunk. They were circling each other and drumming their legs, similar to what I've seen courting _Allothrombium_ red velvet mites doing. I am going to email a mite expert and see what they think!
Unfortunately somewhat shaky video here: https://youtu.be/eGYU6fMfm_Q
#ArthroBeauty #DailyMitePic #Mitestodon #arachnids #mites #Acari #Acariformes #Prostigmata #Parasitengona #Erythraeidae
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#Arachtober 16: mating opilionids, a very leggy affair. I didn't have my light on me and was just using camera flash, and it was over in a second.
Something I only noticed just now: one of the opilionids' legs is curled around the other's! (The tips of the legs are made up of many tiny segments so they are basically prehensile.) This is really cute to me somehow…
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#Arachtober #MiteMonday: just a good old red velvet mite (_Allothrombium_).
Just imagine having a guinea pig-sized one, as a pet. It would be soft and squishy. It would enjoy squeezing into little crevices to nap. You could brush it, very gently. It wouldn't see very well. It could climb up things with little retractable claws. You could probably feed it mealworms.#ArthroBeauty #arachnids #mites #Acari #Acariformes #Prostigmata #Parasitengona #Trombidiidae
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#Arachtober 5: the last order of arachnids I have found, pseudoscorpions! They look kind of like scorpions without tails; they are found basically everywhere on earth but Antarctica, but they are absolutely tiny and live in places like under tree bark, under rocks and logs, in leaf litter, etc., so you will rarely see them unless you're looking for them. Sometimes they can be found clinging to the legs of larger flying insects with their little claws, or indoors eating booklice and other tiny household insects.
The ones in my garden are so small you might take them for mesostigmatid mites at first glance. This one has captured a soil-dwelling mite of some kind.
#iNaturalist observation: https://www.inaturalist.org/observations/99203146 :inaturalist:
#ArthroBeauty #arachnids #pseudoscorpions #Pseudoscorpiones #Cthoniidae
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#Arachtober 4: March mating mesostig madness!
These are an ubiquitous sort of soil-dwelling predatory mites, likely in the family Parasitidae (ironically, primarily predators) in the order Mesostigmata in the superorder Parasitiformes. They are only very distantly related to the whirligig mite I posted the other day, which is in superorder Acariformes. While the two superorders are traditionally grouped together under Acari, it is likely they don't share a common ancestor and should be treated separately. So I'm counting them as a different group!
#iNaturalist observation: https://www.inaturalist.org/observations/275521159 :inaturalist:
Some pro-level photos and info about mesostigs: https://www.chaosofdelight.org/all-about-mites-mesostigmata
#ArthroBeauty #arachnids #mites #MiteSex #taxonomy #Acari #Parasitiformes #Mesostigmata #Parasitidae
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#Arachtober 3: meet a representative of another order of arachnids, Opiliones (a.k.a. harvesters, harvestmen, daddy-long-legs [though this can also refer to a kind of spider, crane flies, and even a plant]). They have some key differences from spiders: head and abdomen segments fused together; no silk or venom (i.e. they are entirely harmless); only two eyes; and instead of using pedipalps to transfer sperm during mating, they have an intromittent (insertable) organ, a penis or aedeagus.
I think this is the common species _Phalangium opilio_, introduced from Europe. There are several thousand different species in this order!
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This gall is new to me so I hope I have identified it correctly. I think its a tupelo leaf edge gall (Aceria dina). If you squint you can see a mite walking on the upper right side of the upper fold, although I'm not sure if it is the eriophyid mite that makes the gall. 4/5 #GallWeek2025 #gall #galls #inaturalist #mites #arachnids #tupelo
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I almost forgot it was #MiteMonday! From under one of my reliable dead logs just a few days ago, a mesostig with its prey, a tiny white springtail; a slug for scale; and a smaller, paler mesostig crossing paths with another springtail (which it did not try to eat).
#DailyMitePic #Mitestodon #arachnids #mites #springtails #Acari #Parasitiformes #Mesostigmata #Collembola #Poduromorpha
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The first #MiteMonday in a while! The wet dead leaves are a bountiful source of predatory mesostigmatid mites.
#Mitestodon #arachnids #mites #Acari #Parasitiformes #Mesostigmata
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Gotta post something for the last #MiteMonday of the year. Here's some mesostigs (family Parasitidae or thereabouts?), predators of the undergrowth, making their way across alien landscapes of fungus and leaf litter on the underside of a dead log.
#DailyMitePic #Mitestodon #arachnids #mites • #Acari #Parasitiformes #Mesostigmata
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#MiteMonday: checked out my favourite dead logs, got more pictures of mesostigs preying on springtails!!
#DailyMitePic #Mitestodon #arachnids #mites • #Acari #Parasitiformes #Mesostigmata #Parasitidae???
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Thrilling moment today. I had flipped a log and was trying (with limited success) to get in-focus photos of this mesostigmatid mite when a tiny springtail ran directly into its path. To my surprise the mite seized it immediately and then, antenniform front legs aloft, hurried off looking for somewhere safe to consume its prize.
I knew, of course, that mesostigs like this were predatory; I'd just never witnessed the actual predating!
#DailyMitePic #Mitestodon #arachnids #mites • #Acari #Parasitiformes #Mesostigmata
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#Arachtober 19: one of my favourite finds this year, a hister beetle (family Histeridae) carrying several phoretic (hitchhiking) Uropodina mites attached via "anal pedicels", tough but stretchy stalks formed from special secretions from glands in…well, you can probably guess where. The mites are harmless to the beetle and use it to disperse to new habitats.
More on phoresy in Uropodina: https://doi.org/10.1080/24750263.2023.2288847 :OpenAccess:
#DailyMitePic #Mitestodon #arachnids #mites #phoresy #AnalPedicel • #Acari #Parasitiformes #Mesostigmata #Uropodina
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#Arachtober 19: one of my favourite finds this year, a hister beetle (family Histeridae) carrying several phoretic (hitchhiking) Uropodina mites attached via "anal pedicels", tough but stretchy stalks formed from special secretions from glands in…well, you can probably guess where. The mites are harmless to the beetle and use it to disperse to new habitats.
More on phoresy in Uropodina: https://doi.org/10.1080/24750263.2023.2288847 :OpenAccess:
#DailyMitePic #Mitestodon #arachnids #mites #phoresy #AnalPedicel • #Acari #Parasitiformes #Mesostigmata #Uropodina
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#Arachtober 19: one of my favourite finds this year, a hister beetle (family Histeridae) carrying several phoretic (hitchhiking) Uropodina mites attached via "anal pedicels", tough but stretchy stalks formed from special secretions from glands in…well, you can probably guess where. The mites are harmless to the beetle and use it to disperse to new habitats.
More on phoresy in Uropodina: https://doi.org/10.1080/24750263.2023.2288847 :OpenAccess:
#DailyMitePic #Mitestodon #arachnids #mites #phoresy #AnalPedicel • #Acari #Parasitiformes #Mesostigmata #Uropodina
