As soon as the female lands close to the nests' entrance, she touches the male's antennae, so that he leaves the nest, mounts her and copulates
This may indicate that extremely small males are selected against for reasons other than their ability to copulate
Test females that copulated a second time after producing three successive egg sacs had a higher reproductive success in their fourth and fifth clutches than females that did not copulate
For subjects in the paired group, the block was lowered to the cage floor and after a 30-s interval, the door to the side cage was opened, and subjects were allowed to copulate
with the model for 5 min.
After allowing female dungflies to copulate
for a fixed time with two different males, Ward (1993) found that regardless of copulation order: (1) females stored more sperm from large than small males; (2) sperm from the two males were distributed nonrandomly across the female's three spermathecae; and (3) the larger male fertilized more eggs (see also Otronen et al.
In addition to these behavioral differences between males, individual males can copulate
in both positions, even within the same day.
In the family of wolf spiders many species copulate
for just a few minutes, while others copulate
In Branded, she observes that if mass media are convincing youth to do anything, it's not to kill or copulate
but to shop.
Lenny'll probably be making mad manga man screeches, and the dame'll probably try and copulate
I am the Mother and am the Father and I copulate
with myself," says the gn ostic deity Protennoia in a treatise of that name.
Sometimes I, too, would like to copulate
We tested whether mite infestation affects the frequency at which individual flies copulate
and we calculated the opportunity for PMSS in different host populations.