Sentences with phrase «black widow spiders»

Like a female black widow spider consuming her mate, the latter part of the formula makes a meal of the former, leading to the collapse of any system based upon that formula.
Black widow spider bites may cause minimal swelling at the site, but can cause intense pain and even paralysis lasting up to 48 hours.
After being struck by a truck along Rock Springs Road Thursday night, a dog crawled down an embankment into a drainage pipe full of black widow spiders.
«Picky male black widow spiders prefer well - fed virgins.»
New UTSC research shows that male black widow spiders prefer their female mates to be well - fed virgins, revealing a rare example of mate preference by male spiders.
«Insect DNA extracted, sequenced from black widow spider web: Insect DNA remained detectable on spider web for at least 88 days.»
a female black widow spider consuming her mate, the latter part of the formula makes a meal of the former, leading to the collapse of any system based upon that formula.
Southern black widow spider (Latrodectus mactans) is with its prey house cricket (Acheta domesticus) trapped in spider web.
The authors of this study used three black widow spiders fed house crickets to noninvasively extract, amplify, and sequence mitochondrial DNA from their spider web samples, which identified both the spider and its prey to species.
As the name implies, the brown widow is a relative of the infamous black widow spiders (Latrodectus mactans and Latrodectus hesperus).
Black widow spiders get their name from the females» supposed cannibalistic behaviour, but this has been exaggerated.
Oct. 11, 2016 — DNA related to black widow spider toxin been discovered in a phage that infects the bacterial parasite Wolbachia.
False widows (Steatoda sp.) are sometimes confused for black widow spiders (Latrodectus sp.) and are mistakenly thought to be as dangerous.
Flik finds a willing group in the praying mantis Manny (Jonathan Harris); his moth wife, Gypsy (Madeline Kahn); male ladybug Francis (Denis Leary); walking stick Slim (David Hyde Pierce); caterpillar Heimlich (Joe Ranft); black widow spider Rosie (Bonnie Hunt); rhino beetle Dim (Brad Garrett); and pillbugs Tuck and Roll (Michael McShane).
Perhaps no other creature on the planet has lent its behavioral traits to a human archetype more so than the poor maligned black widow spider.
There are 31 species of black widow spiders, but most of them — including the western black widow, which lives in the United States — DO NOT eat their mates.
Adult female black widow spiders are shiny black with an hourglass shaped marking on the underside of its abdomen which, although most commonly red, may range in color from white to yellow to various shades of orange and red.
The black widow spider can be found on every continent except Antarctica.
Angela Merkel, the German chancellor, was depicted on one as a black widow spider.
Black widow spiders.
Although the common name «black widow spider» is most commonly used to refer to the three North American species best known for their dark coloration and red hourglass pattern, it is occasionally also applied to several other members of the Latrodectus (widow spider) genus in which there are 31 recognized species including the Australian red - back, brown widow spider (sometimes called the gray widow), and the red widow spider.
DINING HABITS In a new book about cannibalism, a zoologist argues that female black widow spiders (Latrodectus mactans shown) don't deserve their bad rap.
For the first time a virus that targets bacteria has been found to have genes lifted from non-bacterial cells — those of the black widow spider
The bright red markings on the back of a female black widow spider is a clear warning to people to stay away — the venom in her bite can be lethal.
The result is an increase in ticks, brown recluse spiders and black widow spiders, all serious health hazards for both pets and humans, she added.
«Black widow spiders are color - coded to deter predators without tipping off prey.»
The telltale red hourglass of the black widow spider sends a warning signal that some animals can see but others can not, finds a Duke University study.
The black widow spider's telltale red hourglass - shaped mark appears brighter and more contrasting to birds than to insects, finds a new study.
Though the venom of a black widow spider (Latrodectus sp.) is more powerful than a rattlesnake's, few people are ever bitten because the widow — seen here with her spiderlings — isn't very aggressive.
Black widow spiders or praying mantises munching on their mates make sense somehow — they look a little monstrous to begin with — but did you know that some seahorses are cannibals?
I tossed a grasshopperinto the web of a black widow spider, assuming the spider woulddispatch it quickly.
The unicorn beetle in the picture, along with a black widow spider, praying mantis, scorpion and carpenter ant, are animated robots designed by the creators of ET.
Could the black widow spider not have acquired its poison gene from an invading bacteriophage?
But after any unfortunate encounter with a black widow spider, our advice is: «This is unlikely to relieve the parts that Atkinson will not reach.»
It has long been known that black widow spiders, like some venomous snakes, can deliver «dry bites» to warn off larger animals without wasting venom on them.
Black widow spiders and their Australian cousins, known as redbacks, are infamous for their tainted love as they have an unsettling tendency to kill and devour their male partners.
Diagnosed with what seemed to be a black widow spider bite on his rear leg, Jack was referred to us for hyperbaric oxygen treatment to reduce swelling.
Do you think a pet may have encountered a poisonous critter like a rattlesnake, black widow spider, brown recluse spider, scorpion, or other poisonous creature?
Dogs don't know that the venom of the black widow spider, for instance, is some fifteen times more toxic than a rattlesnake bite.
Black widow spiders are great pets for the responsible adult looking to have a unique animal be a part of their family.
Evie will be able use her quick speed and agility to overcome enemies and scale buildings with relative ease, and of course you shouldn't mess with her when it comes to weapons she is as dangerous and deadly as a black widow spider.
A cat feeds happily with mice at its side, and a snake and a black widow spider could both stand for women disturbing the garden.
And then they'll squeal in pain from splinters, loose nails, black widow spiders, etc..
And a black widow spider with several empty egg sacs and one full egg sac.
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