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Mother Nature Network

11

Apr

Daddy longleg spiders once had four eyesWhile contemporary harvestmen spiders have lost that second pair of eyes, researchers have found genetic remnants of the extra eyes in the spiders’ DNA.

Daddy longleg spiders once had four eyes
While contemporary harvestmen spiders have lost that second pair of eyes, researchers have found genetic remnants of the extra eyes in the spiders’ DNA.

19

Jan

Male spiders twerk like their lives depend on itThe abdomen-shaking the male black widows performed is an incredibly ‘complex’ way of signaling they’re not prey for the females.

Male spiders twerk like their lives depend on it
The abdomen-shaking the male black widows performed is an incredibly ‘complex’ way of signaling they’re not prey for the females.

24

Dec

We felt it was appropriate to give arachnids a little PR boost with a pageant — we won’t go so far to call it a beauty pageant — that recognizes some of the most remarkable spiders on Earth. We’ve picked a spider to represent each of eight different categories — from best legs to most industrious. And, yes, some of these superlative spiders are rather large and all are venomous, so if this is a sensitive topic, proceed with caution.
8 superlative spiders

11

Dec

Why some tarantula bites are more harmful than othersCertain species deliver more of a wallop in a bite than others even without poisons, and that can lead to hot flashes and severe cramps.

Why some tarantula bites are more harmful than others
Certain species deliver more of a wallop in a bite than others even without poisons, and that can lead to hot flashes and severe cramps.

20

Oct

The jumping spider family (Salticidae) is a massive group composed of around 5,000 individual species of agile hunters that excel at leaping from branch to branch, tree to tree — or web to unsuspecting victim’s hair. And with their bulging (anterior median) eyes and curious expressions, some types of jumping spiders are — dare we say? — kind of cute.8 superlative spiders — See them all!

The jumping spider family (Salticidae) is a massive group composed of around 5,000 individual species of agile hunters that excel at leaping from branch to branch, tree to tree — or web to unsuspecting victim’s hair. And with their bulging (anterior median) eyes and curious expressions, some types of jumping spiders are — dare we say? — kind of cute.
8 superlative spiders — See them all!

22

Aug

Male peacock spiders let their freak flags flyThese teeny tiny spiders put on a colorful show to attract mates.

Male peacock spiders let their freak flags fly
These teeny tiny spiders put on a colorful show to attract mates.

09

Jul

If you think it’s a spider bite, you’re probably wrongA arachnologist at McGill says what we call ‘spider bites’ are probably flea bites or the skin’s reaction to chemicals and infections.

If you think it’s a spider bite, you’re probably wrong
A arachnologist at McGill says what we call ‘spider bites’ are probably flea bites or the skin’s reaction to chemicals and infections.

08

Jul

Spiders suck in prey using electrostatic attractionInsects that flap their wings can create an electric charge that draws a spider’s web to them.

Spiders suck in prey using electrostatic attraction
Insects that flap their wings can create an electric charge that draws a spider’s web to them.

29

May


 How spiders learn to snag more prey  



Spiders build and monitor their webs in the most efficient ways possible to detect flies.
Spiders build and monitor their webs in the most efficient ways possible to detect flies.

08

May

Roles often reversed in gruesome black widow ritual
Males in at least one black widow species make a clear choice about which females they will mate with, and age may be a big factor.

Roles often reversed in gruesome black widow ritual

Males in at least one black widow species make a clear choice about which females they will mate with, and age may be a big factor.