Gallery

Onthophagus laminatus minor male; photo by E.L. Engasser

Onthophagus laminatus male genitalia, caudal view; photo by E.L. Engasser

Onthophagus laminatus male genitalia, lateral view; photo by E.L. Engasser

Onthophagus nigriventris male; photo by E.L. Engasser

Onthophagus nigriventris male; photo by E.L. Engasser

Onthophagus nigriventris male; photo by E.L. Engasser

Onthophagus nigriventris male; photo by E.L. Engasser

Onthophagus nigriventris female; photo by E.L. Engasser

Onthophagus nigriventris female; photo by E.L. Engasser

Onthophagus nigriventris male genitalia, caudal view; photo by E.L. Engasser

Onthophagus nigriventris male genitalia, lateral view; photo by E.L. Engasser

distribution map for Onthophagus nigriventris

Onthophagus nuchicornis male; photo by E.L. Engasser

Onthophagus nuchicornis male; photo by E.L. Engasser

Onthophagus nuchicornis male; photo by E.L. Engasser

Onthophagus nuchicornis male; photo by E.L. Engasser

Onthophagus nuchicornis female; photo by E.L. Engasser

Onthophagus nuchicornis female; photo by E.L. Engasser

Onthophagus nuchicornis male genitalia, lateral view; photo by E.L. Engasser

Onthophagus oklahomensis male; photo by E.L. Engasser

Onthophagus oklahomensis male; photo by E.L. Engasser

distribution map for Onthophagus oklahomensis

Onthophagus sagittarius male; photo by E.L. Engasser

Onthophagus sagittarius male; photo by E.L. Engasser

Onthophagus sagittarius male; photo by E.L. Engasser

Onthophagus sagittarius male; photo by E.L. Engasser

Onthophagus sagittarius female; photo by E.L. Engasser

Onthophagus sagittarius female; photo by E.L. Engasser

distribution map for Onthophagus sagittarius

Onthophagus tuberculifrons male; photo by E.L. Engasser

Onthophagus tuberculifrons male; photo by E.L. Engasser

Onthophagus tuberculifrons male head; photo by E.L. Engasser