Sentences with phrase «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.

For brown widow spiders, sex is literally a matter of life and death.

It might seem like false widow spiders make a dash for your home as soon as the weather gets chilly, but they can actually be seen inside year - round.

Black widow spider bites may cause minimal swelling at the site, but can cause intense pain and even paralysis lasting up to 48 hours.

It is a large widow spider found throughout the world and commonly associated with urban habitats or agricultural areas.

Black widow spiders are great pets for the responsible adult looking to have a unique animal be a part of their family.

She'd lull her victim into a false sense of security and once his defenses were dissolved into complacency by a soft, girly, vulnerable illusion, Corcoran would go in for the kill, a red widow spider of real estate.

Female brown widow spiders become less fertile as they age, and more likely to kill and eat their mates — yet males still prefer them over younger females

«Picky male black widow spiders prefer well - fed virgins.»

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.

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.

«Insect DNA extracted, sequenced from black widow spider web: Insect DNA remained detectable on spider web for at least 88 days.»

«Brown widow spider reported for the first time in Tahiti.»

In fact, Marie found it in 31 % of the Tahitian brown widow spider egg sacs that were dissected.

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.

Black widow spiders get their name from the females» supposed cannibalistic behaviour, but this has been exaggerated.

Could the black widow spider not have acquired its poison gene from an invading bacteriophage?

Oct. 11, 2016 — DNA related to black widow spider toxin been discovered in a phage that infects the bacterial parasite Wolbachia.

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).

And a black widow spider with several empty egg sacs and one full egg sac.

Every autumn there are reports of false widow spiders becoming uninvited eight - legged houseguests in homes across the UK.

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.

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.

Tahiti is a popular tourist destination, but one unwanted visitor has decided to make its home there: the brown widow spider (Latrodectus geometricus).

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.

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.

For the past 20 years Ireland has been subjected to an invasion of false widow spiders that are wiping out their indigenous cousins and are now threat -LRB-...)

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.

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.

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.

Southern black widow spider (Latrodectus mactans) is with its prey house cricket (Acheta domesticus) trapped in spider web.

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.

As the name implies, the brown widow is a relative of the infamous black widow spiders (Latrodectus mactans and Latrodectus hesperus).

«Black widow spiders are color - coded to deter predators without tipping off prey.»

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.

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.

False widows (Steatoda sp.) are sometimes confused for black widow spiders (Latrodectus sp.) and are mistakenly thought to be as dangerous.

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?