Ranger Robb: Meleoma schwarzi. Det. H.K. Townes. Genus update 2022. 25527. Grand Canyon Village, AZ. 20 August 1945. L. Arnberger
Ranger Robb: Chrysopa sp. GRCA 51878. lights. South Rim Grand Canyon, AZ. 22 August 1941. Louis Schellbach III
Ranger Robb: Hemerobius sp. GRCA 81975. Walhalla Plateau, Grand Canyon, AZ. 21 June 1999. Karen C. Short
Ranger Robb: Hemerobius sp. GRCA 81975. Walhalla Plateau, Grand Canyon, AZ. 21 June 1999. Karen C. Short_1
Ranger Robb: Agulla adnixa, female. Det. A.B. Gurney. 51865. South Rim Grand Canyon, AZ. 16 July 1941. Louis Schellbach III
Ranger Robb: Agulla adnixa, female. Det. A.B. Gurney. 51865. South Rim Grand Canyon, AZ. 16 July 1941. Louis Schellbach III_1
Ranger Robb: Negha sp., female. GRCA 60960. South Rim Grand Canyon, AZ. 19 March 1941. Louis Schellbach III
Ranger Robb: Negha sp., male GRCA 60961. Yavapai Point, Grand Canyon, AZ. 20 May 1943. Louis Schellbach III
Ranger Robb: Negha sp., male GRCA 60961. Yavapai Point, Grand Canyon, AZ. 20 May 1943. Louis Schellbach III_1
Ranger Robb: Negha sp., female. GRCA 60960. South Rim Grand Canyon, AZ. 19 March 1941. Louis Schellbach III_1
Ranger Robb: Agulla sp., male GRCA 60962. Grand Canyon Village, AZ. 30 June 1948. D. Carswell
Ranger Robb: Agulla sp., male GRCA 60962. Grand Canyon Village, AZ. 30 June 1948. D. Carswell_1
Ranger Robb: Climaciella brunnea. GRCA 25450. Yavapai Point, Grand Canyon, AZ. 14 July 1940. Louis Schellbach III
Ranger Robb: Climaciella brunnea. GRCA 25450. Yavapai Point, Grand Canyon, AZ. 14 July 1940. Louis Schellbach III_1
Ranger Robb: Scotoleon sp. GRCA 51880. Grand Canyon Village, AZ. 2 September 1938. E.D. McKee
Ranger Robb: Dendroleon speciosus. Det. H.K. Townes. 51877. Yavapai Point, Grand Canyon, AZ. 21 July 1944. Louis Schellbach III
Ranger Robb: Euptilon sinuatum. 25456. Yavapai Point, Grand Canyon, AZ. 14 July 1944. Louis Schellbach III
Ranger Robb: Myrmeleon sp. GRCA 25456. Yavapai Point, Grand Canyon, AZ. 14 July 1944. Louis Schellbach III
Ranger Robb: Vella fallax. Det. R. Hannawacker 2022. 51878. Grand Canyon Village, AZ. July 1948. M. Sutton
Ranger Robb: Vella fallax. Det. R. Hannawacker 2022. 51878Grand Canyon Village, AZ. July 1948. M. Sutton_1
Ranger Robb: Western Dobsonfly, Corydalus texanus. Det. Grant Schiermeyer 2022. 51874.Powerhouse, Kaibab Trail, Grand Canyon National Park, AZ. 18 June 1950. W. Adams