Scaphisoma desertorum Casey, 1893

Figs 13-14

Material examined: MHNG, WBWC; 16 specimens; Arizona, Maricopa Co. along Sycamore Creek at Sunflower; 33.8651°N, 111.4657°W, July 16 - Aug. 4, 2019 . – WBWC; 2 specimens; Arizona, Santa Cruz Co. 3.7 rd. mi. SE of Patagonia on Harshaw RD; 31.5163°N, 110.7043°W; July 24 - Aug. 6, 2019 . – MHNG, WBWC; 32 specimens; Arizona, Santa Cruz Co. Palo Prado Rd., east side Santa Cruz R.; 31.531°N, 111.016°W; July 11-16, 2018 . – WBWC; 5 specimens; Arizona, Gila Co. along Tonto Ck., 0.2 mi. S of Gisela; 2845 ft., 34.0862°N, 111.2874°W, July 6-21, 2018 . – MHNG, WBWC; 25 specimens; Arizona, Santa Cruz Co. Duquesne Rd., 2.3 rd. Mi E jct. Hwy 82; Santa Cruz R.; 31.3757°N, 110.8406°W, Aug. 3-14, 2018. – MHNG, WBWC; 13 specimens; Arizona, Cochise Co. Huachuca Mts., 0.8 rd. mi. SW Reef; 31.4238°N, 110.2991°W, Aug. 31 - Sept. 28, 2018 . – WBWC; 7 specimens; Arizona, Cochise Co. Huachuca Mts.; 0.8 rd. mi. SW Reef; 31.4238°N, 110.2991°W, July 4-24. 2019 . – WBWC; 2 specimens; Arizona, Pima Co.; 0.3 km W Hwy 83 on Gardner Cyn. Rd., 4722 ft., 31.7367°N, 110.6663°W, July 5 - Aug. 6, 2019.

Remarks: The species was based on an unknown number of specimens from Arizona and Texas (Casey, 1893: 530). The senior author has examined a male syntype labelled “Williams Ariz” / “TYPE USNM 48161” / “desertorum” (handwritten). As its aedeagal characters have not yet been published, respective illustrations are given here (Figs 13, 14). An examined male syntype of Scaphisoma dakotanum Fall, 1910, originally spelled dakotana, labelled “Wickham, Bismarck, N. Dak.” / “dakotana TYPE” / “M.C.Z. Type 24119” / “H.C.Fall collection” / “ Scaphisoma dakotana Fall ” is found conspecific with S. desertorum . It is here designated as lectotype, and bears respective label, dated 1987.

Hence, Scaphisoma dakotanum Fall, 1910, syn. nov. = S. desertorum Casey, 1893 .

This species is reported from Arizona, North Dakota and Texas, the vouchers from Texas were not examined.