On the chromosomes of the geometrid moth genus Cidaria

  title={On the chromosomes of the geometrid moth genus Cidaria},
  author={Esko Suomalainen},
1. The oogenesis of 44 (48) species of the Geometrid moth genus Cidaria has been studied. Spermatogenesis has been studied in two species only. 2. The most common (haploid) number among the Cidaria species so far investigated is 30, which is likewise the number second in commonness among the Lepidoptera as a whole. Most (33, or 75 percent) of the species have a chromosome number between 29 and 32, like most of the other groups of Lepidoptera. 3. No species has more than 32 chromosomes, whereas… CONTINUE READING