a hump-backed scuttle fly with a dark body, pale legs, and a reddish face on a white background. The fly has a conspicuous, thick curved ovipositor

This is Peak Parasitoid™️: the scuttle #fly genus #Melaloncha hunts down #bees to parasitize; their maggot will develop in a single host. Check out that ovipositor!!! 😍

According to world expert Brian Brown this is M. valeria
Soltis Center, Costa Rica (August)
#Phoridae @dipteracourse.bsky.social