Species (13)
- Pirhosigma superficiale (Fox, 1899) 1899
- Pirhosigma superficiale (Fox, 1899) 1978 ssp. impurum Giordani Soika, 1978
- Pirhosigma aenigmaticum Giordani Soika, 1978 1978
- Pirhosigma deforme (Fox, 1899) 1899
- Pirhosigma limpidum Giordani Soika, 1978 1978
- Pirhosigma mearimense (Zavattari, 1912) 1912
- Pirhosigma simulans (de Saussure, 1875) 1875
- Pirhosigma mearimense (Zavattari, 1912) 1978 ssp. putumayense Giordani Soika, 1978
- Pirhosigma pilosum (Fox, 1899) 1899
- Pirhosigma
- Eumenes simulans Zavattari, 1912
- Eumenes barberoi Berton, 1925
- Eumenes mondaiensis Berton, 1934