Triepeolus hirsutus Onuferko & Rightmyer, 2024, sp. nov.

Triepeolus hirsutus sp. nov. urn:lsid:zoobank.org:act: C7F899F6-FA16-44CB-93E5-C6F2F9E27EB5 Figs 5C, 12D, 15B, 17, 18A Proposed common name Southwestern bristly triepeolus. Diagnosis The following morphological features in combination tell T. hirsutus sp. nov. apart from all other Triepeolus in the simplex species group except T. parahirsutus sp. nov.: the mesopleura have sparse, pale-yellow, erect/suberect, simple setae (reaching about ½ MOD in length) in addition to the usual appressed, branched setae (Figs 17A, C, 18A); the legs are entirely reddish orange from trochanters to tarsi (Fig. 17A–C); and the T1 discal patch is rectangular or trapezoidal with an inverted U- or horseshoe-shaped anteromedial projection (Figs 15B, 17B). Females of T. hirsutus and T. parahirsutus are readily distinguished from each other by the pseudopygidial area, which in the former has three subregions of differentiated setae—a basal patch of dense, golden setae, a darker subapical band of sparser, coppery brown setae, and an apical row of dense, suberect, silvery setae (Fig. 17D)—and in the latter does not have distinct subregions of differentiated setae but rather setae that are golden to silvery and relatively uniform in density. Additionally, T. hirsutus is generally smaller (body length 5.5–9.0 mm; ITW 1.2–1.7 mm) (Fig. 17A–C) than T. parahirsutus (body length 8.0–12.0 mm; ITW 1.7–2.5 mm) and in the former the axillae almost never (as opposed to commonly) have reddish tips. Although it might not be possible to separate certain males morphologically, T. hirsutus can easily be separated from T. parahirsutus by geography; the former is known only from the Southwestern United States and adjacent Mexico whereas the latter is known only from Central and South Texas. Additionally, T. hirsutus may be confused with T. apache sp. nov. due to their small size and as the ranges of both species overlap considerably, but in T. apache the mesopleura laterally do not have erect/ suberect, simple setae or have only sparse, short (<¼ MOD), erect/suberect, simple setae in addition to the usual appressed, branched setae and the T1 basal band forms an inflexed arch and is thus gradually narrowed but not completely interrupted medially, such that the discal patch has a short, narrowed (i.e., inverted V-shaped) anteromedial projection. Etymology The specific epithet is a Latin adjective meaning ‘bristly’ and refers to the pale, erect/suberect, simple setae on the mesopleura. Material examined Primary type material USA • ♀, holotype; Arizona, 8 mi NE of Portal, Cochise County; 17 Aug. 1990; J.G. Rozen and J. Krieger leg.; AMNH. Secondary type material MEXICO – Chihuahua • 1 ♀, paratype; 10 mi N of Jiménez; 10 Sep. 1950; R.F. Smith leg.; AMNH • 1 ♀, paratype; same data as for preceding; 21 Sep. 1970; R.M. Bohart leg.; UCBME • 1 ♀, paratype; 18 km NW of Jiménez; 26 Aug. 1991; J.G. Rozen leg.; AMNH SM0326380 • 1 ♀, paratype; 35 km NW of Janos; 31 Aug. 1991; R. Ayala leg.; INHS 8621/SM0326388 • 1 ♀, paratype; 5 mi N of Escalón; 20 Sep. 1970; G.E. and R.M. Bohart leg.; BBSL. – Sonora • 1 ♀, paratype; 30 km E of Agua Prieta; 31.3194° N, 109.2714° W; 29 Aug. 2003; A. Romero leg.; BOLD sample ID: CMNTO_308; RLM SBV036299. USA – Arizona • 3 ♀♀, paratypes; 10 mi NE of Portal, Cochise County; 24Aug. 1966; J.G. and B.L. Rozen leg.; AMNH • 1 ♀, paratype; 13 mi SW of Apache, Cochise County; 24 Aug. 1983; Rozen and Favreau leg.; AMNH • 1 ♀, paratype; 14 mi S of Apache, Cochise County; 28 Aug. 1980; R.J. McGinley leg.; USNM • 1 ♀, paratype; 16 mi NE of Douglas, Cochise County; 23 Aug. 1962; J.G. Rozen, M. Statham, and S.J. Hessel leg.; AMNH • 1 ♀, paratype; same data as for preceding; 31 Aug. 1962; J.G. Rozen, M. Statham, and S.J. Hessel leg.; AMNH • 1 ♀, paratype; 18 mi SW of Apache, Cochise County; 22–23 Aug. 1994; J.G. Rozen and J.S. Ascher leg.; AMNH • 1 ♀, paratype; same data as for preceding; 28 Aug. 1994; J.G. Rozen and J.S. Ascher leg.; AMNH • 1 ♀, paratype; 2 mi E of Apache, Cochise County; 16–17 Aug. 1988; J.G. Rozen and E. Quinter leg.; AMNH • 2 ♀♀, paratypes; same data as for preceding; 22 Aug. 1988; Rozen, Quinter, and Brewster leg.; AMNH • 1 ♀, paratype; same data as for preceding; 29 Aug. 1988; J.G. Rozen and E. Quinter leg.; AMNH • 1 ♀, paratype; 2 mi NE of Portal, Cochise County; 1 Sep. 1989; J.G. and B.L. Rozen and R. Foster leg.; AMNH • 1 ♀, paratype; 2 mi SW of Willcox, Cochise County; 4 Sep. 1983; J.G. Rozen and M. Favreau leg.; AMNH • 1 ♀, paratype; 2.5 mi N of Portal, Cochise County; 27 Jul. 1961; E.G. Linsley leg.; UCBME • 1 ♀, paratype; 4 mi E of Willcox, Cochise County; 19 Aug. 1992; J.G. Rozen leg.; AMNH • 1 ♀, paratype; 4 mi SW of Congress, Yavapai County; 15 Sep. 1961; P.D. Hurd leg.; UCBME • 1 ♀, paratype; 4 mi W of Quijotoa, Pima County; 1 Sep. 1970; J.G. and K.C. Rozen leg.; AMNH • 1 ♀, paratype; 5 mi S of San Simon, Cochise County; 27 Aug. 1996; J.G. and B.L. Rozen and A. Pence leg.; AMNH • 3 ♀♀, paratypes; 8 mi NE of Portal, Cochise County; 23–25 Aug. 1989; J.G. Rozen and R.L. Foster leg.; AMNH • 1 ♀, paratype; same data as for preceding; 14 Aug. 1990; J.G. Rozen and R.L. Foster leg.; AMNH • 3 ♀♀, paratypes; same data as for preceding; 28 Aug. 1990; J.G. and B.L. Rozen and J. Krieger leg.; AMNH • 2 ♀♀, paratypes; 9 mi N of Elfrida, Cochise County; 5 Aug. 1961; J.G. Rozen leg.; AMNH • 1 ♀, paratype; 9 mi NE of Portal, Cochise County; 23 Aug. 2002; J.G. Rozen leg.; AMNH • 1 ♀, paratype; Apache, Cochise County; 17 Aug. 1961; M.A. Cazier leg.; AMNH • 1 ♀, paratype; Chiricahua Mountains, Cochise County; 9 Sep. 1951; Timberlake leg.; USNM • 1 ♂, allotype; Douglas, Cochise County; 31.3432° N, 109.4980° W; 23 Aug. 2007; PCYU • 1 ♀, paratype; Hereford, Cochise County; 20 Aug. 1989; R.M. Bohart leg.; UCBME • 1 ♀, paratype; Mohave Community College (Kingman), Mohave County; 13 Sep. 1976; R.C. Miller leg.; UCBME • 1 ♀, paratype; San Simon, Cochise County; 30 Aug. 1958; R.M. Bohart leg.; UCBME • 1 ♀, paratype; W side of Willcox Playa; 23 Aug. 1961; J.C. Bequaert and F. Werner leg.; UAIC • 1 ♀, paratype; Willcox, Cochise County; 21 Aug. 1972; J.G. Rozen and R. McGinley leg.; AMNH • 4 ♀♀, paratypes; same data as for preceding; 18 Aug. 1985; J.G. Rozen leg.; AMNH. – California • 1 ♀, paratype; 18 mi W of Blythe, Riverside County; 11 Oct. 1971; E.E. Grissell leg.; UCBME. – New Mexico • 1 ♀, paratype; 1 mi N of Rodeo, Hidalgo County; 25 Aug. 1967; AMNH • 1 ♀, paratype; same data as for preceding; 2 Sep. 1972; M. and T.M. Favreau leg.; AMNH • 1 ♀, paratype; same data as for preceding; 19 Aug. 1974; J.G. Rozen leg.; AMNH • 3 ♀♀, paratypes; same data as for preceding; 21 Aug. 1974; Rozen and Favreau leg.; AMNH • 2 ♀♀, paratypes; same data as for preceding; 28–29 Aug. 1987; J.G. and B.L. Rozen leg.; AMNH • 1 ♀, paratype; 2 mi N of Rodeo, Hidalgo County; 22 Aug. 1996; J.G. and B.L. Rozen and A. Pence leg.; AMNH • 1 ♀, paratype; 2 mi S of Road Forks (Hwy 80), Hidalgo County; 21 Aug. 2013; E.S. Wyman leg.; BOLD sample ID: CCDB-22791 A03; AMNH AMNH_IZC 00292364 • 1 ♀, paratype; 2.3 mi NW of Rodeo, Hidalgo County; 16 Sep. 1960; M.A. Cazier leg.; AMNH M.G.R. Database No. 1206 • 1 ♀, paratype; 26 mi S of Animas, Hidalgo County; 20 Aug. 1986; J.G. Rozen leg.; AMNH • 2 ♀♀, paratypes; same data as for preceding; 20 Aug. 1986; R.J. McGinley and B.M. Norden leg.; USNM • 1 ♀, paratype; 5 mi N of Rodeo, Hidalgo County; 26 Aug. 1985; J.G. and B.L. Rozen leg.; AMNH • 5 ♀♀, paratypes; same data as for preceding; 1 Sep. 1989; J.G. and B.L. Rozen and R. Foster leg.; AMNH • 1 ♀, paratype; 7 mi SW of Rodeo, Hidalgo County; 22 Aug. 1964; J.G. and B.L. Rozen leg.; AMNH • 1 ♀, paratype; Animas, Hidalgo County; 1 Sep. 2009; S. Dumesh leg.; PCYU • 1 ♀, paratype; Lordsburg, Hidalgo County; 6 Sep. 1984; R.M. Bohart leg.; UCBME • 1 ♀, paratype; Middle Wells (21 mi S of Animas), Hidalgo County; 23 Aug. 1973; Rozen and Favreau leg.; AMNH • 2 ♀♀, paratypes; Rodeo, Hidalgo County; 22 Aug. 1958; C.G. Moore leg.; UCBME • 1 ♀, paratype; same data as for preceding; 3 Sep. 1973; M. Favreau leg.; AMNH • 1 ♀, paratype; same data as for preceding; 6 Sep. 1973; M. Favreau leg.; AMNH • 1 ♀, paratype; same data as for preceding; 9 Sep. 1973; M. Favreau leg.; AMNH • 1 ♀, paratype; S of Apache, Hidalgo County; 2003; L. Packer leg.; PCYU. DNA barcoded material Available. BIN: BOLD:ACP8071. See type material for specimens examined and sequenced (indicated by unique BOLD sample ID). Non-barcoded material USA • 2 ♀♀, T. loomisorum Rozen, 1989 paratypes; Arizona, 13 mi SW of Apache, Cochise County; 1 Sep. 1988; E. Quinter leg.; AMNH M.G.R. Database Nos 1754, 1756. Description MEASUREMENTS OF HOLOTYPE. Body length 7.2 mm; ITW 1.4 mm; head length 1.8 mm; head width 2.5 mm; fore wing length 5.1 mm. Both sexes INTEGUMENT COLORATION. Dark brown to black except as follows. Mandible with apical two-fifths golden yellow (entirely dark brown/black in some paratypes). Mandible with basal three-fifths, labrum, scape, pedicel, F1 entirely and succeeding flagellomeres to some extent, tegula, coxae to some extent, trochanters to tarsi (excluding brown meso- and metatibial spurs) entirely, metasomal terga laterally, and metasomal sterna to some extent orange. Fore wing membrane subhyaline, apically dusky. Hind wing membrane dusky subhyaline to hyaline. Pygidial plate to some extent reddish brown. PUBESCENCE. Face with tomentum densest around antennal socket. Tomentum slightly sparser on clypeus; upper paraocular and frontal areas and vertexal area mostly exposed. Pronotal collar with tomentum uniformly pale yellow. Mesoscutum with well-defined paramedian band of pale-yellow tomentum (attaining anterior margin in holotype and allotype; tapering slightly toward but not attaining anterior margin in some paratypes); pale tomentum otherwise mostly restricted to lateral and posterior margins. Mesopleuron with off-white to pale-yellow, appressed, branched setae; upper half densely setose, except behind pronotal lobe, with s

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