However, looking at specific characteristics can help separate these two species. First, C. mortuorum has bright yellow to orange gena, or cheeks, and parafacials, whereas C. cadaverina has black or reddish brown gena and parafacial setae.
To distinguish between the two species, it's helpful to look at their specific characteristics.  *C. mortuorum* has bright yellow to orange gena (cheek and facial areas), while *C. cadaverina* has black or reddish brown gena and parafacial setae.