Cressoniella (Ptilosaroides) Mitchell 1980: 63. Type species: Megachile neoxanthoptera Cockerell. Original designation and monotypy. Megachile (Ptilosaroides) Michener et al 1994: 149, Michener 2000: 564. Megachile (Rhysochile) cfr. cara (Morato & Campos 2000). Rhysochile is a nomem nudum. This small subgenus is confined to South America. Its members are superficially similar to Ptilosarus but lack the special scopal adaptations of that subgenus. 1. Megachile (Ptilosaroides) neoxanthoptera Cockerell Cressoniella (Ptilosaroides) neoxanthoptera : Mitchell 1980: 63.
Cressoniella (Ptilosaroides) Mitchell 1980: 63. Type species: Megachile neoxanthoptera Cockerell. Original designation and monotypy. Megachile (Ptilosaroides) Michener et al 1994: 149, Michener 2000: 564. Megachile (Rhysochile) cfr. cara (Morato & Campos 2000). Rhysochile is a nomem nudum. This small subgenus is confined to South America. Its members are superficially similar to Ptilosarus but lack the special scopal adaptations of that subgenus. 1. Megachile (Ptilosaroides) neoxanthoptera Cockerell Megachile xanthoptera Schrottky 1913a: 198. Female. Type locality: Hohenau, Paraguay. Type repository: MZSP. (Not M. xanthoptera Schletterer 1891: 8-10. Central Africa. [= M. rufipes (F) synonymy of ?]. See Cockerell 1933c: 152-153.) Cressoniella (Ptilosaroides) neoxanthoptera : Mitchell 1980: 63. Megachile (Ptilosaroides) neoxanthoptera : Michener et al 1994: 149. (D). ADDITIONAL REFERENCES. Schrottky 1913b: 248 (D); Mejdalani et al 2002: 215-224 (M); Silveira et al 2002: 214 (D). DISTRIBUTION. BRAZIL: AM- Tefé; MG; MT- Cáceres; RJ- São Bento; RO- Fte. P. de Beira; SC- Nova Teutônia; SP. PARAGUAY. MORPHOLOGY. Minicry of leafhopper Teletusa limpida (Signoret) mimics several species of Megachilidae. 2. Megachile (Ptilosaroides) pilosa Smith Megachile pilosa Smith 1879: 77. Female. Type locality: Fonteboa, on the Amazons [Brazil]. Type repository: NHML 17a2457. Examined. The type is lacking the right hind leg and the tarsi of the right fore leg. Megachile (Ptilosarus) pilosa : Mitchell 1943b: 668. Megachile (Ptilosaroides) pilosa : Raw 2002 # 7: 32. ADDITIONAL REFERENCES. Mitchell 1930: 266 (D); Michener 1954: 102 (D, L); Silveira et al 2002: 214 (D). DISTRIBUTION. BOLIVIA: Santa Cruz- Buena Vista. BRAZIL: AM; MS; MT- Chapada dos Guimarães. PANAMA: Panamá- Tocumen; Colon, Valle de Anton. LIFE HISTORY. In Panamá adults fly November to April.