Cephalastor is a small neotropical genus of potter wasps (Hymenoptera: Vespidae: Eumeninae) currently containing 14 species.
The known species are:
Cephalastor sinusiticus Garcete-Barrett (Mexico)Cephalastor lambayeque Garcete-Barrett (Coastal Peru)Cephalastor bossanova Garcete-Barrett (Southern Brazil)Cephalastor estela Garcete-Barrett (Paraguay and Brazil)Cephalastor humeralis Garcete-Barrett & Hermes (Brazil)Cephalastor mariachi Garcete-Barrett (Mexico)Cephalastor minarum Garcete-Barrett & Hermes (Brazil)Cephalastor abraham Garcete-Barrett (Ecuador)Cephalastor tupasy Garcete-Barrett (Peruvian Amazon)Cephalastor relativus (Fox) (Surinam, Eastern Colombia, Ecuador, Bolivia and Central Brazil)Cephalastor rufosuffusus (Fox) (Guyana, Central Brazil and Paraguay)Cephalastor paezi Garcete-Barrett (Colombian Llanos)Cephalastor rominae Garcete-Barrett (Paraguayan Chaco)Cephalastor chasqui Garcete-Barrett (Eastern Bolivia and Andean Peru)
