Final answer:
Forensic odontologists are most involved in analyzing bite marks, such as on a victim's arm, rather than profiling suspects or collecting insects from a body, which are tasks for forensic anthropologists and pathologists.
Step-by-step explanation:
Forensic odontologists would most likely be involved in the investigation of a bite mark on a victim's arm. These specialists apply their knowledge of dental science to the field of forensics to identify individuals based on dental records, analyze bite marks, and compare these with the dental profiles of possible suspects. Although forensic odontologists might occasionally contribute to profiling a suspect or assessing remains found in a field, their expertise is critical for analyzing bite marks in cases of assault or in situations where dental evidence may provide conclusive proof of identity.
In contrast, the discovery of a femur bone or the collection of beetles on a decomposed body would more typically call for the expertise of a forensic anthropologist, who focuses on the recovery and identification of skeletal remains, gauging time since death, and revealing other clues from bones and the surrounding ecology. Forensic anthropologists alongside law enforcement and other specialists like forensic pathologists work together in investigative teams to reconstruct the circumstances around unexplained deaths.