Ranger Robb:
Acanthodotheca prohibita, det. James '45, GRCA 52738, Yavapai Point, Grand Canyon NP, AZ. 6 June 1947, L. Arnberger
Ranger Robb:
Acanthodotheca prohibita, det. James '45, GRCA 52738, Yavapai Point, Grand Canyon NP, AZ. 6 June 1947, L. Arnberger_1
Ranger Robb:
Acanthodotheca prohibita, det. James '45, GRCA 52738, Yavapai Point, Grand Canyon NP, AZ. 6 June 1947, L. Arnberger_2
Ranger Robb:
Anthomyliidae GRCA 52697, North Rim, Grand Canyon NP, AZ. 17 June 1938, Louis Schellbach
Ranger Robb:
Anthomyliidae GRCA 52697, North Rim, Grand Canyon NP, AZ. 17 June 1938, Louis Schellbach_1
Ranger Robb:
Anthomyliidae GRCA 52697, North Rim, Grand Canyon NP, AZ. 17 June 1938, Louis Schellbach_2
Ranger Robb:
Calliphora coloradensis, det. D.G. Hall, GRCA 25596, North Rim, Grand Canyon NP, AZ. 10 July 1938, Louis Schellbach
Ranger Robb:
Calliphora coloradensis, det. D.G. Hall, GRCA 25596, North Rim, Grand Canyon NP, AZ. 10 July 1938, Louis Schellbach_1
Ranger Robb:
Calliphora coloradensis, det. D.G. Hall, GRCA 25596, North Rim, Grand Canyon NP, AZ. 10 July 1938, Louis Schellbach_2
Ranger Robb:
Eristalis stipator (mislabelled as tenax), Yavapai Point, Grand Canyon NP, AZ. 30 July 1952, O. Lowrie
Ranger Robb:
Eristalis stipator (mislabelled as tenax), Yavapai Point, Grand Canyon NP, AZ. 30 July 1952, O. Lowrie_1
Ranger Robb:
Eristalis stipator (mislabelled as tenax), Yavapai Point, Grand Canyon NP, AZ. 30 July 1952, O. Lowrie_2
Ranger Robb:
Eristalis tenax, no cat. #Fernbush at Yavapai Point, Grand Canyon NP, AZ. 30 July 1952, O. Lowrie
Ranger Robb:
Eristalis tenax, no cat. #Fernbush at Yavapai Point, Grand Canyon NP, AZ. 30 July 1952, O. Lowrie_1
Ranger Robb:
Eristalis tenax, no cat. #Fernbush at Yavapai Point, Grand Canyon NP, AZ. 30 July 1952, O. Lowrie_2
Ranger Robb:
Eucalliphora lilaea, det. D.G. Hall, GRCA 52719, North Rim, Grand Canyon NP, AZ. 19 July 1938, Louis Schellbach
Ranger Robb:
Eucalliphora lilaea, det. D.G. Hall, GRCA 52719, North Rim, Grand Canyon NP, AZ. 19 July 1938, Louis Schellbach_1
Ranger Robb:
Eucalliphora lilaea, det. D.G. Hall, GRCA 52719, North Rim, Grand Canyon NP, AZ. 19 July 1938, Louis Schellbach_2
Ranger Robb:
Helina rufitiba, det. David G. Hall, GRCA 52705, South Rim, Grand Canyon NP, AZ. 12 May 1938, Louis Schellbach
Ranger Robb:
Helina rufitiba, det. David G. Hall, GRCA 52705, South Rim, Grand Canyon NP, AZ. 12 May 1938, Louis Schellbach_1
Ranger Robb:
Helina rufitiba, det. David G. Hall, GRCA 52705, South Rim, Grand Canyon NP, AZ. 12 May 1938, Louis Schellbach_2
Ranger Robb:
Helina troene, det. D.G. Hall, GRCA 25597, South Rim, Grand Canyon NP, AZ. 15 May 1938, Louis Schellbach_1
Ranger Robb:
Heline troene, det. D.G. Hall, GRCA 25597, South Rim, Grand Canyon NP, AZ. 15 May 1938, Louis Schellbach
Ranger Robb:
Heline troene, det. D.G. Hall, GRCA 25597, South Rim, Grand Canyon NP, AZ. 15 May 1938, Louis Schellbach_2
Ranger Robb:
Hylemya cilicrura, det. James 1945, GRCA 52696, Marble Flats, North Rim Grand Canyon, AZ. 11 August 1953, W.F. McKean
Ranger Robb:
Hylemya cilicrura, det. James 1945, GRCA 52696, Marble Flats, North Rim Grand Canyon, AZ. 11 August 1953, W.F. McKean_1
Ranger Robb:
Hylemya cilicrura, det. James 1945, GRCA 52696, Marble Flats, North Rim Grand Canyon, AZ. 11 August 1953, W.F. McKean_2
Ranger Robb:
Hylemya sp., GRCA 52700, South Rim, Grand Canyon NP, AZ. 10 July 1938, Louis Schellbach
Ranger Robb:
Hylemya sp., GRCA 52700, South Rim, Grand Canyon NP, AZ. 10 July 1938, Louis Schellbach_1
Ranger Robb:
Hylemya sp., GRCA 52700, South Rim, Grand Canyon NP, AZ. 10 July 1938, Louis Schellbach_2
