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Tag Archives | Spiders
Via Huffington Post:
I can’t hear you, there’s a spider in my ear!
The horrifying pictures were taken at China’s Changsha Central Hospital, after the patient checked in, complaining of itching inside her left ear.
Doctors were left with the challenge of extracting the spider while trying to ensure it would not burrow deeper or even bite the woman.
Read more at Huffington Post. Or don’t. I wouldn’t blame you.
To become both a lover and a fighter, the male spider Nephilengys malabarensis snaps off his penis inside his partner while they have sex. He becomes better at fending off other males who try to mate with her, because his now-lightened body can fight for longer without tiring. And while he’s playing the guardian, his detached genitals can continue pumping sperm into the female. Through self-castration, he gets more stamina, and he gets more stamina. I first wrote about the self-castrating spider a few months ago. Then, Daiqin Li from the National University of Singapore confirmed that the severed penis continues to pump sperm into the female. That allows the newly minted eunuch to fertilise her remotely, while also blocking the way to other males...
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Male nursery web spiders (Pisaura mirabilis) prepare silk-wrapped gifts to give to potential mates. Most gifts contain insects, but some gifts are inedible plant seeds or empty exoskeletons left after the prey has already been eaten (presumably by the male himself!).
Males will also ‘play dead’ if a female moves away and then attempt to re-establish mating. New research published in BioMed Central’s open access journal BMC Evolutionary Biology examines the reproductive success of deceitful males and shows that females are not impressed by worthless gifts.
Male spiders were provided with either a potential gift of a fly, or a worthless item, such as a cotton wool ball, a dry flower head, a prey leftover (previously eaten housefly), or no gift at all. All the gifts were approximately the same size, so the females would not be able to tell what the gift was without unwrapping it.
Ah, the wonders and surprises of Mother Nature. The 2010 floods in Pakistan caused an unexpected evolution in arachnoid behavior — to escape the rising waters, millions of spiders took to living in trees. The UK’s Department for International Development has an eye-popping Flickr gallery of what is now typical across Pakistan. The sticky, web-cocooned trees have proven extremely effective at catching pests and curbed the mosquito population. (The trees in the below picture are festooned with dead bugs.)