摘要:Two new species of squash bees, Peponapis pacifica Ayala and Griswold sp. n. and P. parkeri Griswold andAyala sp. n., are described and illustrated. Peponapis pacifica is oligolectic on flowers of Schizocarpum longisepalum(Cucurbitaceae) endemic to Mexico, where it is found in the tropical dry forest along the Pacific Coast, between Sonoraand Chiapas and in the Balsas River basin; and P. parkeri is known only from the Pacific slope of Costa Rica. A key forthe North and Central American species of Peponapis is provided.