A mystery has long shrouded the orb-weaving spider genus Opadometa, where males and females belonging to one and the same species look nothing alike. Furthermore, the males appear to be so elusive that scientists still doubt ...
Plants & Animals
Apr 3, 2018
0
96
Arthropods are among the most successful animals on the planet. They inhabit the sea (horseshoe crabs), the sky (fruit flies), and the earth (scorpions) in vast numbers and are defined by their exoskeleton exteriors and segmented ...
Evolution
Mar 26, 2018
0
871
About 2 to 3 million years ago, a group of spiders let out long silk threads into the wind and set sail, so to speak, across the Pacific Ocean to Hawaii. These spiders were parasites of other spiders, invading their webs, ...
Plants & Animals
Mar 8, 2018
1
251
One of the central features of courtship behavior in the nursery-web spider (Pisaura mirabilis) is that the male must have a gift on hand in order to make a good impression on the females. So before setting out to look for ...
Plants & Animals
Mar 1, 2018
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130
Two groups of highly venomous spiders might be seeing more of each other at family reunions. A new study led by San Diego State University biologist Marshal Hedin has found that two lineages of dangerous arachnids found in ...
Plants & Animals
Feb 15, 2018
0
60
There's no sneaking by this spider. New research from the University of California Merced and the California Academy of Sciences shows that individuals from the spider family Selenopidae—commonly known as flattie spiders—can ...
Plants & Animals
Feb 12, 2018
1
234
An extraordinary new species of arachnid, resembling a spider with a tail, has been discovered in amber from Myanmar (formerly Burma), of mid-Cretaceous age, around 100 million years ago.
Plants & Animals
Feb 5, 2018
0
6702
One of the first things you should know about the brown recluse spider is that its reputation far exceeds its actual prevalence.
Plants & Animals
Jan 29, 2018
1
119
An unusual spider lurks in Madagascar's rainforests.
Plants & Animals
Jan 26, 2018
0
14
With the increasing advantages of DNA sequencing, University of Cincinnati biologists are unraveling many evolutionary mysteries behind the complex world of spider vision.
Plants & Animals
Jan 11, 2018
0
18
