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#arachnids — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #arachnids, aggregated by home.social.

  1. Been a long time since I posted anything for #MiteMonday, but I was going through my camera and found this one I don't think I've shared before! Just a good old _Allothrombium_ red velvet mite.

    #Mitestodon #arachnids #mites #Acari #Acariformes #Prostigmata #Trombidiidae

  2. #Arachtober 25: now for something entirely different, a penthaleid mite (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

  3. #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: youtu.be/eGYU6fMfm_Q

    #ArthroBeauty #DailyMitePic #Mitestodon #arachnids #mites #Acari #Acariformes #Prostigmata #Parasitengona #Erythraeidae

  4. #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

  5. #Arachtober 2: anystid renaissance! Commonly called whirligig mites for their constant frantic and erratic running, these large (~1 mm*) predatory mites in the family Anystidae have a population boom in early to mid-June and seem to increase in numbers again in autumn, at least around here. They eat aphids, small midges, each other, etc. This one seems to be eating some kind of barklouse (Psocodea)?

    * Given that many mites are microscopic, any mite one can clearly see with the naked eye counts as "large".

    #ArthroBeauty #LichenSubscribe #arachnids #mites #Acari #Acariformes #Prostigmata #Anystidae

  6. 31-Jul-2025
    New #tarantula species so feisty, males evolved the longest #genitalia to survive #mating

    eurekalert.org/news-releases/1

    A logical bug in the headline - in those species where the male doesn't survive mating, it's not because of falling short, it's because #evolution has no better use for them than serving as a meal for the female. In which case they can't evolve any protective measure. #science #arachnids #ecology #newSpecies

  7. 31-Jul-2025
    New #tarantula species so feisty, males evolved the longest #genitalia to survive #mating

    eurekalert.org/news-releases/1

    A logical bug in the headline - in those species where the male doesn't survive mating, it's not because of falling short, it's because #evolution has no better use for them than serving as a meal for the female. In which case they can't evolve any protective measure. #science #arachnids #ecology #newSpecies

  8. 31-Jul-2025
    New #tarantula species so feisty, males evolved the longest #genitalia to survive #mating

    eurekalert.org/news-releases/1

    A logical bug in the headline - in those species where the male doesn't survive mating, it's not because of falling short, it's because #evolution has no better use for them than serving as a meal for the female. In which case they can't evolve any protective measure. #science #arachnids #ecology #newSpecies

  9. 31-Jul-2025
    New #tarantula species so feisty, males evolved the longest #genitalia to survive #mating

    eurekalert.org/news-releases/1

    A logical bug in the headline - in those species where the male doesn't survive mating, it's not because of falling short, it's because #evolution has no better use for them than serving as a meal for the female. In which case they can't evolve any protective measure. #science #arachnids #ecology #newSpecies

  10. 31-Jul-2025
    New #tarantula species so feisty, males evolved the longest #genitalia to survive #mating

    eurekalert.org/news-releases/1

    A logical bug in the headline - in those species where the male doesn't survive mating, it's not because of falling short, it's because #evolution has no better use for them than serving as a meal for the female. In which case they can't evolve any protective measure. #science #arachnids #ecology #newSpecies

  11. In other news, we have reached Peak Anystid, that short but precious time when it seems like every leaf has a plump little whirligig mite running around on it. They are avid predators and eating is practically the only time they stay still. Here are several from the garden.

    #DailyMitePic #Mitestodon #arachnids #mites #Acari #Acariformes #Prostigmata #Anystidae

  12. For #MiteMonday: mites eating things.

    1. Long-legged velvet mites (family Erythraeidae, probably _Balaustium_) eating a midge
    2. A whirligig mite (family Anystidae) eating a globular springtail
    3. A snout mite (family Bdellidae) eating a barklouse

    #DailyMitePic #Mitestodon #arachnids #mites #Acariformes #Prostigmata #Erythraeidae #Anystidae #Bdellidae

  13. Belated #MiteMonday: it's the time of year I start carrying a little water dropper bottle for the whirligig mites. I've found it's a reliable way to get them to stay still for photos. 💧

    #DailyMitePic #Mitestodon #arachnids #mites #Acari #Acariformes #Prostigmata #Anystidae

  14. Little red mites of spring!

    - A larval sidewalk mite (_Balaustium_) eating pollen
    - A young whirligig mite (family Anystidae) eating clover mite eggs (the little reddish balls)
    - Sumo mites (_Allothrombium_) wrestling
    - and lastly, a clover mite (_Bryobia_), which isn't really that red when full grown but which all of the other mites are frequently misidentified as. They won't be out much longer, they go dormant in the hot months.

    #DailyMitePic #Mitestodon #arachnids #mites #Acari #Acariformes #Prostigmata #Erythraeidae #Anystidae #Trombidiidae #Tetranychidae #Bryobiinae

  15. #MiteMonday: this weekend I got out to my sumo mite (_Allothrombium_) tree to catch some wrestling bouts!

    It is some kind of sexual competition thing: certain males seem to stake out a little patch and aggressively defend it against all comers. The females, I think, are the larger ones who take little notice of the fights and mostly wedge themselves into crevices in bark? Courtship rituals seem to involve leg-tapping and walking around each other in circles. I am wildly curious about what's actually going on.

    #DailyMitePic #Mitestodon #arachnids #mites #RedVelvetMites #SumoMites #Acari #Acariformes #Prostigmata #Trombidiidae

  16. #MiteMonday: a red velvet mite (_Allothrombium_) sneakily snacks on midges from a spider's web. I also saw a red-winged blackbird eating a midge-filled spiderweb, too. At this time of year, the few spiders that overwintered catch so many midges that their webs almost collapse under the weight—more than they could possibly eat. I wonder how much midge biomass these spiders inadvertently make available to other animals!

    #DailyMitePic #Mitestodon #arachnids #mites #RedVelvetMites #arachnids #mites #Acari #Acariformes #Prostigmata #Trombidiidae

  17. Did you know? Tiny penthaleid mites will sometimes wear water drops as hats. 🥰

    (That's a total fuckin' lie, it's their excrement. Their anuses are located on their backs.)

    #DailyMitePic #Mitestodon #arachnids #mites #Acari #Acariformes #Prostigmata #Penthaleidae #DorsalAnus

  18. #MiteMonday: it's that time of year again! A sheet-web weaver's web in a willow tree crevice is carpeted with tiny _Bryobia_ clover mites.

    #DailyMitePic #Mitestodon #arachnids #mites #Acariformes #Prostigmata #Tetranychidae #Bryobiinae

  19. #Arachtober 21: Happy #MiteMonday! Here's a snout mite (family Bdellidae) snacking on a long-legged velvet mite (family Erythraeidae). Taken back in June.

    #DailyMitePic #Mitestodon #arachnids #mites#Acari #Acariformes #Prostigmata #Bdellidae #Erythraeidae

  20. #Arachtober 6: Here's an anystid. They seem to experience a burst of population growth in the fall, not nearly as much as Peak Anystid around June but still noticeable.

    #DailyMitePic #Mitestodon #arachnids #mites#Acari #Acariformes #Prostigmata #Anystidae

  21. A jumping spider (f. Salticidae) in the North Woods of Central Park in late May. This particular one was being a picky eater. It would grab one bug, pause for a moment, then drop it. It repeated this behavior for about 20 minutes before it finally settled on one that it actually wanted to eat.

    #jumpingspliders #Salticidae #spiders #arachnids #nature #wildlife #macro #ultramacro #canonphotography #luminarneo #centralpark #nycparks

  22. CW: Long List of Animal, Plant and Fungi Hashtags

    Hashtags for Animals, Plants and Fungi

    Animals

    (See Animal Kingdom For Taxonomy)

    Amphibians
    #Amphibians #Caecilians #FrogFriday #FroggyFriday #Frogs #Newts #Salamanders #Toads

    Birds
    #BirdBuddy #BirdID #Birding #BirdsInBackYards #BirdMigration #BirdsOfMastodon #BirdsOfPrey #BirdPhotography #BirdResearch #BirdWatching #Chickens #Corvid #DuckTuesday #eBird #Hens #Oology #Ornithology #OzBirds #Raptor #SeaBirds #ShoreBirds #WaterFowlWednesday #WrensDay

    Insects & Spiders
    #Ants #Aphids #Arachnids #BedBugs #Bees #Beetles #Bugs #Butterflies #Cicadas #Cockroaches #Coleoptera #Crickets #Damselflies #Dragonflies #Earwigs #Entomologia #Entomology #Fleas #Flies #FlyFriday #Grasshoppers #Hemiptera #Hymenoptera #iNaturalist #Insect #InsectPhotography #Insects #InsectSaturday #InsektenSamstag #Invertebrates #Leafhoppers #Lepidoptera #Locusts #Mayflies #Metamorphosis #MiteMonday #Mites #Moths #Orthoptera #Planthoppers #Pupa #Scorpions #Silverfish #Spider #SpiderSunday #StickInsects #StinkBugs #Termites #Thrips #Treehoppers #Wasps #WeevilWednesday

    Reptiles (#Reptiles)
    #Crocodiles #Lizards #ReptilesOfMastodon #Snakes #Tuatara #Turtles

    Sea Creatures
    #Dugongs #FishEyeFriday #FishFriday #FishyFriday #Hagfish #Lamprey #Manatees #MolluscMonday #Phytoplankton #Rays #Seals #Sharks #ShrimpSunday #Skates #Sturgeon #Whales #Zooplankton

    Mammals (#Mammals)
    Cats (#Cats)
    #CatsOfMastodon #Catstodon #CatsOfYore #Caturday #DeepThoughtsOfCats #FediCats #Feline #MastoCats #ToeBeansTuesday #TongueOutTuesday #WhiskersWednesday

    Dogs (#Dogs)
    #DogsOfFediverse #DogsOfMastodon #Dogstodon #MastoDogs #MonDog #SnootBoopTuesday #SunDog #WoofWednesday

    Equine
    #Asstodon #BrumbySunday #Donkeys #Horses #MustangMonday #StallionSaturday #Wedsneigh #WildHorseWednesday #Zebras

    Farming
    #Cattle #CowsOfMastodon #Deer #GoatsOfMastodon #Pigs #SheepOfMastodon #Sheepturday

    Lagomorphs
    #BunnyButtFriday #Hares #HouseRabbit #MastoBun #Pikas #Rabbits #RabbitsOfMastodon #SundayBunday #SundayIsBunday

    Marsupials (#Marsupials)
    #Bandicoots #Kangaroos #Koalas #Opossums TasmanianDevils #Wallabies #Wombats

    Monotremes (#Monotremes)
    #Echidna #Platypus

    Primates (#Primates)
    #Apes #Bonobos #Chimpanzees #Gorillas #Humans #HumanSuitSaturday #Lemurs #Man #Monkeys #Orangutans

    Rodents (#Rodents)
    #Beavers #Capybaras #Guineapigs #Hamsters #Mice #Porcupines #Rats #Raturday #RodentsOfMastodon #Squirrels #Voles

    et al.
    #Anteaters #Antelope #Bats #Bears #Camels #Elephants #Fursday #FurSuitFriday #Hedgehogs #MammothMonday #MastodonMonday #Moles #Mongooses #OtThursday #Pangolins #Sloths #SlothSaturday #StoatSaturday #Tapirs #TuesdayTiger #TuskTuesday #Wildlife #WildlifeWednesday

    Useful Links

    See Nature & Animals | Fedi.Directory

    Plants
    #Agriculture #Autumn #BalconyGarden #BloomScrolling #Botany #Botanical #Botanist #Ferndiverse #FernFriday #Fernstodon #Flora #FloraIncognita #FloralFriday #Florespondence #FlowerFriday #FlowersOfMastodon #Foliage #FoliageFriday #Forest #ForestFriday #Horticulture #HousePlants #HousePlantsOfMastodon #IndoorGardening #Lichen #Liverwort #Gardening #GardeningAU #GardeningMastodon #GrowYourOwn #Hydroponics #Landscape #Moss #MossMonday #Mosstodon #MossyMonday #Orchids #Permaculture #Phenology #PlantBiology #PlantCells #PlantID #PlantIdentification #SeedySaturday #Succulents #SucculentSunday #Swamp #ThickTrunkTuesday #ThornyThursday #TreesOfMastodon #TreeTrunkTuesday #TreeTuesday #Weeds #Wilderness #WildFlowerHour #WildFlowers #Woodland

    Useful Links

    See Gardening Under Lifestyle & Hobbies | Fedi.Directory

    Fungi
    #Boletes #FungalFriday #Funghi #FunghiFriday #Fungi #FungiFriday #FungiOfMastodon #FungiPhoto #Fungiverse #Fungus #FungusAmongUs #FungusFriday #MagicMushrooms #Mushroom #Mushrooming #MushroomMonday #Mushrooms #MushroomsOfMastodon #MushroomPhoto #Mushroomstodon #Mushtodon #Mycelium #Mycology #MycologyMonday #Pilz #Pilze #Psilocybe #Psilocybin #Shrooms #ShroomSong #Spores #Sporespondence #Toadstool #TodayInMushrooms #Yeast

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    • Address: @gardening

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    • Address: @plants

    (See Index For More Hashtags)

    #AnimalHashtags #HashtagsAnimals #PlantHashtags #HashtagsPlants #FungiHashtags #HashtagsFungi #HashtagLists #ListsHashtags