We sampled a juniper-oak-grassland habitat in southeastern Arizona for Symphyta over a seven-year period. Collections included 27 species of Symphyta: 1 Xyelidae, 5 Pergidae, 1 Diprionidae, 16 Argidae, and 4 Tenthredinidae. The peak season for sawflies is July through September, coinciding with the rainy season. Five new species are described, Acordulecera brevis Smith, A. tristis Smith, and A. comoa Smith (Pergidae), and Eustromboceros arizonicus Smith and E. alboclypea Smith (Tenthredinidae). Previously unknown males are described for Sphacophilus apiculus Smith, Zynzus luteiventris (Cameron) (Argidae), and Susana rufa Smith (Tenthredinidae). Zynzus himus Smith is a new record for the United States, and Periclista is a new generic record for Arizona.
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