Usa
Usambaromyia Andersen & Saether 1994
- Usambaromyia nigrala Andersen & Saether, 1994
Insecta → Diptera → Chironomidae
Usambilla Sjöstedt, 1910
- Usambilla affinis Kevan, 1961
- Usambilla affinis affinis Kevan, 1961
- Usambilla affinis kikomboensis Jago, 1981
- Usambilla chlorophrygana Jago, 1981
- Usambilla emaliensis Jago, 1981
- Usambilla haematogramma Jago, 1981
- Usambilla hanangensis Hemp, 2008
- Usambilla insolita (Rehn, 1914)
- Usambilla leptophrygana Jago, 1981
- Usambilla olivacea Sjöstedt, 1910
- Usambilla oraria Jago, 1981
- Usambilla sagonai (Ramme, 1929)
- Usambilla sagonai fractolineata Jago, 1981
- Usambilla sagonai sagonai (Ramme, 1929)
- Usambilla turgidicrus (Karsch, 1896)
Insecta → Orthoptera → Acridoidea → Lentulidae → Lentulinae
Usambius Kolbe, 1892
- Usambius advena (Pascoe, 1866)
- Usambius decellei Damoiseau, 1967
- Usambius madagascariensis De Muizon, 1955
Insecta → Coleoptera → Curculionoidea → Brentidae → Cyphagoginae → Cyphagogini
Usambrachys Constant, 2005
- Usambrachys anderseni Constant, 2005
Insecta → Hemiptera → Fulgoroidea → Eurybrachidae → Platybrachinae → Platybrachini
Usana Distant, 1906
- Usana abdominalis Dlabola, 1906
- Usana demochares Fennah, 1978
- Usana lineolalis Distant, 1906
- Usana yanonis Matsumura, 1914
Insecta → Hemiptera → Fulgoroidea → Achilidae → Achilinae → Myconites → Plectoderini
Usanus DeLong, 1947
- Usanus stonei DeLong 1947
Insecta → Hemiptera → Membracoidea → Cicadellidae → Deltocephalinae → Athysanini
Usb
Usbeca Püngeler, 1914
- Usbeca cornuta Püngeler, 1914
Insecta → Lepidoptera → Noctuoidea → Noctuidae
Usc
, Uscana , Uscanella , Uscanoidea , Uscanopsis
Use
, Usechimorpha , Usechus
Usg
, Usgentia
Ush
, Usharia , Ushijimaella , Ushpayacua
Usi
, Usia , Usimbara , Usingerella , Usingeriessa , Usingerina
Uss
, Ussara , Ussuraridelus , Ussurdacnusa , Ussurella , Ussuriana , Ussuriensia , Ussurohelcon
Ust
, Usta , Ustavenus , Ustinepidosis
Usu
, Usubaia