Brown widow spiders are killing off black widows in the southern US
Black widow spiders are waning in the southern US and brown widows may be the culprit – in lab tests, they were more than six times as likely to kill southern black widows than other arachnids they were offered
from New Scientist - Home https://ift.tt/m0Rv3Yo
from New Scientist - Home https://ift.tt/m0Rv3Yo
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