| Crasilogia | |
|---|---|
 | |
| Crasilogia gressitti | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Geometridae |
| Tribe: | Xanthorhoini |
| Genus: | Crasilogia Warren, 1903 |
Crasilogia is a genus of moths in the family Geometridae described by Warren in 1903. It is sometimes considered a synonym of Costaconvexa.