Relict diapause in an introduced weevil in New Zealand

  title={Relict diapause in an introduced weevil in New Zealand},
  author={S. L. Goldson and R. M. Emberson},
The Argentine stem weevil Hyperodes bonariensis Kuschel, a stem boring weevil native to the southern part of South America, was first reported in New Zealand in 19271 where it has become a widespread and serious pest of Graminae. Recent investigations2 have demonstrated the existence of reproductive hibernatory diapause induced by a critical photoperiod in the population in Canterbury, New Zealand (latitude 43°39′S). Coincidentally, it was noted that similar ovarian diapause occurs in H… CONTINUE READING