https://pmc.ncbi.nlm.nih.gov/articles/PMC17751/
Heritability of body mass, a sexually selected trait, in an arctiid moth (Utetheisa ornatrix) - PMC
In the moth Utetheisa ornatrix (Lepidoptera: Arctiidae), females mate preferentially with larger males. Large body mass is advantageous to both sexes: large...