What is on the head of this Western Conifer Seed Bug? This similar photo on bug guide suggests it could be the eggs of a tachnid fly: https://bugguide.net/node/view/7027
Maybe "Trichopoda pennipes which is known to parasitize Leptoglossus spp."? https://bugguide.net/node/view/315371
Sarcophagidae?
1-2 mm long.
1-2 mm long.