Erpetogomphus compositus
immature male
John Day River at J. S. Burres State Park, Gilliam Co., OR; 19 June 2000
Erpetogomphus compositus
immature male
John Day River at J. S. Burres State Park, Gilliam Co., OR; 19 June 2000
Erpetogomphus compositus
immature male
John Day River at J. S. Burres State Park, Gilliam Co., OR; 19 June 2000
Erpetogomphus compositus
immature male
John Day River at J. S. Burres State Park, Gilliam Co., OR; 19 June 2000