#2
Did you check its proboscis?
If it be very elongate, extending beyond anterior margin of oral cavity, could be
Siphonella.
But if that is shorter and not heavily aclerotized, could be
Calamoncosis.
#4
Siphonella oscinina (Fallén, 1820), Chloropidae. The dense and long hairs covering the eyes and a scutellum without warts along its edge are typical for this single Palaearctic Siphonella species (but I possess a 2nd undescribed species with short proboscis from Germany and Italy). The larvae develop in spider cocoons, thus, the imagines are attracted to white colour pan traps (and omit yellow ones !) in the late summer till autumn.