| description of the pre-reductional sex chromosome during male meiosis of pachylis laticornis (heteroptera: coreidae). | in heteroptera, the division of sex chromosomes is well defined as post-reductional for most of species, i.e., the first meiotic division is equational and the second is reductional. however, in some species pre-reductional division has been observed, whereby the first meiotic division is reductional and the second is equational. these include anisops fieberi (notonectidae), ectrychotes disparate (reduviidae), dictyonota tricornis (tingidae), and archimerus alternatus (coreidae), as well as othe ... | 2016 | 27173284 |