Drosophila melanogaster or bombyx mori?
29 700 google hits for chang'e silkworm
27 500 chang'e drosophila
25 100 chang'e "fruit fly"
https://de.wikipedia.org/wiki/Chang%E2%80%99e-4 says silkworms.
https://en.wikipedia.org/wiki/Chang'e_4 said fruit fly before I changed it to "fruit fly or silkmoth".
Any reliable sources?