(A) Embryos from torY9 homozygous females display ectopic activation of the Tor receptor as indicated by the deletion of several abdominal segments. (genetics.org)
For mosquitoes to be viewed as undissected whole mounts, a small cut was made in the terminal abdominal segment and specimens were rinsed by perfusion with PBS. (journals.plos.org)
Or perhaps a cuckoo bee, such as Bombus suckleyi, a type of bumblebee that sports yellow hair on its fourth abdominal segment, as opposed to the rare B. occidentalis, which has black or white hair in the same spot? (scientificamerican.com)