6. Minute in size (smaller than 8 mm)....7
Small to large (larger than 8 mm); if minute,then node or spine on petiole segmen......10
9. Tarsi five-segmented; ovipositor located anteriorly near middle of abdomen..(pteromalid wasps) PTEROMALIDAE
Tarsi four-segmented; ovipositor not as above...(eulophid wasps) EULOPHIDAE
22. Two subantennal sutures..(andrenid bees) ANDRENIDAE
One subantennal suture....... (honeybees, bumblebees, carpenter bees, and stingless bees) APIDAE