Scientists discover oral sexual encounters in spiders

Matjaz Gregoric, a research associate at the Scientific Research Centre of the Slovenian Academy of Sciences and Arts (ZRC SAZU), Jovan Hadzi Institute of Biology, and coauthors studied the mating behavior of the Madagascan Darwin’s bark spider (Caerostris darwini), a sexually size dimorphic species from Madagascar with females several times larger and heavier than males. …
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