Fig 4. Number of sperm in female spermathecae resulting from long insertions and short insertions in A) uninterrupted matings: Fly gift-uninterrupted mating, males offering a fly gift and Worthless gift-uninterrupted mating, males offering a worthless gift; B) interrupted matings: Fly gift-interrupted mating, males offering a fly gift and performing one pedipalp insertion, No-fly gift-interrupted mating, males offering no gift and performing one pedipalp insertion.

Data are shown as Means ± SE; different letters indicate significant differences (p < 0.05; Table 1).