Now showing items 1-3 of 3

    • Dos maneras de ser un onicóforo 

      Monge-Nájera, Julián; Barquero-González, Pablo; Morera, Bernal (Universidad de Costa Rica (Costa Rica), 2019)
      Hay dos maneras de ser un onicóforo. Una es aparearse vaginalmente a corta edad, dar a luz en cualquier mes y tener machos pequeños y escasos. La otra es inseminar periódicamente por la pared corporal, con igualdad sexual ...
    • The persistent embrace of onychophorans: What determines copulation duration in velvet worms? 

      Monge-Nájera, Julián; Barquero González, Pablo; Morera, Bernal (Universidad de Costa Rica (Costa Rica), 2019)
      In the only onychophorans mating that has been photographed, instead of fleeing, the couple remained together despite being manipulated. Why? The duration of copulation in onychophoran sis possibly controlled by the female, ...
    • Two ways to be a velvet worm 

      Monge-Nájera, Julián; Barquero-González, Pablo; Morera, Bernal (Universidad de Costa Rica (Costa Rica), 2019)
      There are two ways to be a velvet worm. One is to mate vaginally at a young age, give birth in any month and have small, scarce males. The other is to periodically inseminate through the body wall, with sexual equality in ...