New distribution records from Panama are the following genera and species of wasps: Bohartella scapheutoides Menke, 1968 (Crabronidae), one specimen collected from Veraguas, Cañazas; Mellinus alpestris Cameron, 1890 (Crabronidae), two specimens collected from Chiriquí, La Amistad International Park; and Alobevania gattiae Kawada & Deans, 2008 (Evaniidae), four specimens collected from Los Santos, La Tronosa Forest Reserve. Information about diversity of these genera and morfological variability on Mellinus alpestris is given.