To collect spiderant eggs in Just Desserts for Beatrice in The Splinterlands in Borderlands 3, go to the bottom of the cave in the south and melee the cocoon a few times. Collect all four spiderant eggs.

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Melee the cocoon to collect spiderant eggs in Just Desserts for Beatrice in The Splinterlands in Borderlands 3

Go up the cliff in the middle of the cave and collect the next four spiderant eggs from the second cocoon.

Melee the cocoon to collect spiderant eggs in Just Desserts for Beatrice in The Splinterlands in Borderlands 3

Go back up to the top of the cave on the west side to find the third cocoon and collect the final four spiderant eggs.

Melee the cocoon to collect spiderant eggs in Just Desserts for Beatrice in The Splinterlands in Borderlands 3