Here our happy male is going for the gusto and directly pressing his palps against the epigyne, inserting one after the other and squirting their contents into the happy orange lady. This is effective, but note one awkward characteristic of the position: the male is directly beneath the females jaws. This is also the characteristic position for her meals, and one thing you do not want to do while mating with a spider is remind her of dinner.

SANTIAGO (Reuters) - Scientists have discovered a potentially marketable contraceptive in the venom of Chile's black widow spider, whose bite is fatal to many but can also cause prolonged, painful and involuntary erections in men.