Lasioglossum (Dialictus) rufornatum Gardner & Gibbs 2020, sp. nov.

Lasioglossum (Dialictus) rufornatum sp. nov. urn:lsid:zoobank.org:act: 5B74FC3D-BFF2-49CB-87D1-06002ACF1565 Figs 75–77, 90M, 95C Diagnosis Females of Lasioglossum rufornatum sp. nov. can be recognized by the metasoma mostly dark with terga often metallic green and sterna and apical rims of the terga becoming orange to pale yellow, wings very pale with white hairs and sometimes nearly white veins, frons and mesepisternum very finely and densely punctate (i ≤ 1 pd), face moderately long (length/width ratio ~0.85), scutum shiny and moderately densely punctate (i=1–2 pd), and T1 anterior surface coriarious. They are most similar to an undescribed species widespread across most of the western United States with a longer face and no red or yellow colouration. They are also somewhat similar to L. eophilus. Females of L. eophilus have the mesepisternum rugose, metasomal terga not metallic, T1 anterior surface shiny, and ocelli slightly enlarged (separated by about 0.5 OD). Males of L. rufornatum sp. nov. can be recognized by the clypeus sparsely punctate (i=1–5 pd) and entirely metallic blue-green, metasoma mostly dark reddish brown often with metallic green terga, with the sterna and apical rims of the terga becoming orange to pale yellow, S4–5 with very long and dense erect hair (2–4 OD), face between the eye emargination and clypeus and metasomal terga with dense tomentum, and gonostylus large, with very long, dense hair, and projecting laterally beyond the gonocoxite. They are most similar to an undescribed species widespread across most of the western United States with a longer face and no red or yellow colouration. They are also somewhat similar to L. miltolepoides sp. nov. Males of L. miltolepoides sp. nov. have tomentum absent on the face and sparse on the metasoma, S4–5 with relatively short hair (1–1.5 OD), and metasomal terga not metallic. Specimens of both sexes from the southernmost part of their range (in the Algodones Dunes of Imperial County, California) often have extensive pale yellow to nearly white colouration rather than orange or red, which is unique. Etymology The specific epithet rufornatum is formed from the Latin adjective ‘ rufus ’ (‘red’) and the perfect participle ‘ ornatum ’ (‘adorned’). It refers to this species’ mostly dark metasoma which is adorned with red to yellow bands. An appropriate translation would be the ornate red sweat bee. Material examined Holotype UNITED STATES – California • ♀; Imperial Co., Algodones Dunes, 6 km W of Glamis; 32.9861° N, 115.1346° W; 118 m a.s.l.; 3 Apr. 2013; T.L. Griswold leg.; ex Psorothamnus sp.; BBSL. Paratypes UNITED STATES – California • 1 ♀, 2 ♂♂; Imperial Co., 0.5 km NNE of jct. CA Hwy 78 and Osborne Park Road; 32.99° N, 115.132° W; 25–28 Mar. 2008; UCDC • 6 ♀♀; Imperial Co., 0.7 km NE of jct. CA Hwy 78 and Osborne Park Road; 32.99093° N, 115.1305° W; 26–27 Jun. 2009; UCDC • 1 ♀, 4 ♂♂; same location as for preceding; 24–29 Jun. 2009; UCDC • 42 ♀♀, 4 ♂♂; same location as for preceding; 3–4 Aug. 2009; UCDC • 14 ♀♀, 6 ♂♂; same location as for preceding; 3–7 Aug. 2009; UCDC • 7 ♀♀; same location as for preceding; 14–15 Sep. 2009; UCDC • 1 ♀, 3 ♂♂; same location as for preceding; 13–18 Sep. 2009; UCDC • 1 ♀; Imperial Co., 0.7 km NW of jct. CA Hwy 78 and Gecko Rd; 32.9812° N, 115.17867° W; 3–7 Aug. 2009; UCDC • 6 ♂♂; Imperial Co., 0.8 km NNE of jct. CA Hwy 78 and Osborne Park Road; 32.99183° N, 115.13043° W; 19–22 Sep. 2008; UCDC • 1 ♀; Imperial Co., 1.9 km ESE of Roadrunner Campground; 32.90178° N, 115.09807° W; 10 Mar. 2009; ex Mentzelia longiloba; UCDC • 4 ♀♀; Imperial Co., 15 mi. NW of Glamis; 33.1167° N, 115.2667° W; 84 m a.s.l.; 13–15 Nov. 1994; R.R. Snelling leg.; LACM • 4 ♀♀; same location as for holotype; 3 Apr. 2013; T.L. Griswold leg.; ex Petalonyx sp.; BBSL • 3 ♀♀; same collection data as for holotype; BBSL • 2 ♀♀; same location as for holotype; 3 Apr. 2013; T.L. Griswold leg.; ex Palafoxia sp.; BBSL • 1 ♀; Imperial Co., All American Canal Water Drop One, 1.3 km ENE of Gordons Well exit Hwy I-8; 32.71289° N, 114.9441° W; 16 Oct. 2014; ex Tamarix ramosissima; UCDC • 1 ♀, 6 ♂♂; Imperial Co., CA Hwy 78, 1.8 km W of Glamis Store, then 0.2 km N; 32.997° N, 115.092° W; 24 Apr. 2009; ex Palafoxia arida; UCDC • 1 ♀; Imperial Co., CA Hwy 78, 1.8 km W of Glamis Store, then 0.3 km N; 32.99742° N, 115.09212° W; 24–29 Jun. 2009; UCDC • 2 ♀♀; same location as for preceding; 3–4 Aug. 2009; UCDC • 5 ♀♀; same location as for preceding; 3–7 Aug. 2009; UCDC • 3 ♀♀; Imperial Co., CA Hwy 78, 1.8 km W of Glamis Store, then 0.4 km S; 32.99113° N, 115.09195° W; 3–4 Aug. 2009; UCDC • 1 ♂; same location as for preceding; 3–7 Aug. 2009; UCDC • 1 ♀; Imperial Co., Coachella Canal Road 0.4 km NW of CA Hwy 78; 32.97535° N, 115.18722° W; 20 Sep. 2008; ex Psorothamnus emoryi; UCDC • 1 ♀; Imperial Co., Coachella Canal Road 11.6 km NW of CA Hwy 78; 33.05738° N, 115.25752° W; 1 Mar. 2010; ex Larrea tridentata; UCDC • 1 ♂; Imperial Co., Coachella Canal Road 11.6 km NW of CA Hwy 78, then 1.0 km NE; 33.063° N, 115.25° W; 28–29 Apr. 2008; UCDC • 1 ♀; same location as for preceding; 30 May–3 Jun. 2008; ex Croton wigginsii; UCDC • 2 ♀♀, 3 ♂♂; same location as for preceding; 30 May–3 Jun. 2008; UCDC • 40 ♀♀, 1 ♂; Imperial Co., Coachella Canal Road 11.6 km NW of CA Hwy 78, then 1.3 km E; 33.05827° N, 115.24338° W; 12 Mar. 2009; ex Mentzelia longiloba; UCDC • 8 ♀♀, 1 ♂; same location as for preceding; 9–14 Mar. 2009; ex Palafoxia arida; UCDC • 1 ♀; Imperial Co., Coachella Canal Road 11.6 km NW of CA Hwy 78, then 1.7 km E; 33.05763° N, 115.2397° W; 14 Mar. 2009; ex Croton wigginsii; UCDC • 1 ♀; Imperial Co., Coachella Canal Road 6.5 km NW of CA Hwy 78; 33.02037° N, 115.22538° W; 29 Apr.–2 May 2008; UCDC • 1 ♀; same location as for preceding; 30 May–1 Jun. 2008; UCDC • 1 ♀, 1 ♂; Imperial Co., End of Ogilby Road, 0.4 km S of Hwy I-8; 32.75567° N, 114.83617° W; 19 Mar. 2016; ex Palafoxia arida; UCDC • 2 ♀♀; Imperial Co., end of Ogilby Road, 0.5 km S of Hwy I-8; 32.75462° N, 114.83667° W; 10–11 Mar. 2009; ex Larrea tridentata; UCDC • 13 ♀♀; same location as for preceding; 10–11 Mar. 2009; ex Mentzelia longiloba; UCDC • 1 ♂; Imperial Co., Evan Hewes Hwy, 1.5 mi. E of Brock Res. Stn Rd.; 32.7092° N, 115.0139° W; 41 m a.s.l.; 19 Apr. 2008; G.R. Ballmer leg.; ex Palafoxia linearis; UCRC • 1 ♀; Imperial Co., Gecko Road 0.4 km SSE of CA Hwy 78; 32.9725° N, 115.17322° W; 26–27 Jun. 2009; UCDC • 1 ♀; same location as for preceding; 3–7 Aug. 2009; UCDC • 5 ♀♀, 6 ♂♂; Imperial Co., Gecko Road 2.1 km SSE of Cahuilla Ranger Station; 32.95737° N, 115.16328° W; 7–10 Jul. 2008; ex Eriogonum deserticola; UCDC • 2 ♀♀, 5 ♂♂; same location as for preceding; 7–10 Jul. 2008; UCDC • 3 ♂♂; same location as for preceding; 19–22 Sep. 2008; ex Eriogonum deserticola; UCDC • 4 ♂♂; same location as for preceding; 19–22 Sep. 2008; UCDC • 2 ♀♀, 3 ♂♂; Imperial Co., Gecko Road 4.1 km SE of Cahilla Ranger Station; 32.94552° N, 115.14735° W; 7–9 Jul. 2008; UCDC • 1 ♂; Imperial Co., Gecko Road 4.8 km SSE of Cahilla Ranger Station; 32.938° N, 115.145° W; 23–24 Apr. 2009; ex Psorothamnus emoryi; UCDC • 2 ♀♀; Imperial Co., Glamis; [33° N, 115.07° W]; 24 Jan. 1964; UCDC • 3 ♀♀; same location as for preceding; 23 Mar. 1967; UCDC • 1 ♀; same location as for preceding; 11 Oct. 1972; UCDC • 2 ♀♀; same location as for preceding; 5 Oct. 1988; UCDC • 1 ♂; Imperial Co., 3 mi. N of Glamis; [33.04° N, 115.07° W]; 7–12 Apr. 1973; UCDC • 1 ♀, 1 ♂; Imperial Co., Glamis Dunes; [33° N, 115.1° W]; 16 Dec. 1982; UCDC • 1 ♀; Imperial Co., Glamis Dunes, W Glamis; 32.9941° N, 115.1013° W; 91 m a.s.l.; 29 Sep. 1987; T.L. Griswold leg.; BBSL • 1 ♀; Imperial Co., Niland-Glamis Road 23.4 km NW of CA Hwy 78, then 0.8 km WSW; 33.1237° N, 115.27735° W; 25 Mar. 2013; ex Sphaeralcea sp.; UCDC • 1 ♀; Imperial Co., Niland-Glamis Road 3.0 km NW of CA Hwy 78, then 0.8 km SW; 33.00773° N, 115.10257° W; 6–9 Feb. 2008; UCDC • 1 ♂; same location as for preceding; 6–9 Feb. 2008; UCDC • 1 ♀; Imperial Co., Niland-Glamis Road 7.4 km NW of CA Hwy 78; 33.03727° N, 115.13487° W; 30 May–3 Jun. 2008; UCDC • 3 ♀♀; same location as for preceding; 23–24 Apr. 2009; ex Stephanomeria pauciflora; UCDC • 3 ♀♀; Imperial Co., Niland-Glamis Road 9.8 km NW of CA Hwy 78, then 1.9 km SSW; 33.03778° N, 115.16474° W; 18 Oct. 2014; ex Palafoxia arida; UCDC • 1 ♀; Imperial Co., Niland-Glamis Road 9.8 km NW of CA Hwy 78, then 3.2 km SW; 33.02868° N, 115.17459° W; 18 Nov. 2014; ex Baccharis sarothroides; UCDC • 1 ♂; Imperial Co., Roadrunner Campground, Gecko Road 9.8 km SE of CA Hwy 78; 32.9079° N, 115.11664° W; 11–15 Sep. 2007; UCDC • 1 ♂; same location as for preceding; 31 May–3 Jun. 2008; UCDC • 1 ♀, 2 ♂♂; same location as for preceding; 31 May–3 Jun. 2008; UCDC • 1 ♀; same location as for preceding; 6–8 Jul. 2008; UCDC • 1 ♂; Imperial Co., Wash Road 0.6–1.1 km SE of CA Hwy 78; 32.99399–32.99138° N, 115.06573–115.0617° W; 30 May–3 Jun. 2008; ex Baileya pleniradiata; UCDC • 2 ♂♂; Imperial Co., Wash Road 0.9 km SE of CA Hwy 78; 32.99243° N, 115.06378° W; 24 Apr. 2009; ex Asclepias subulata; UCDC • 1 ♀; Imperial Co., Wash Road 1.6 km SE of CA Hwy 78, then 0.3 km SW; 32.98677° N, 115.05927° W; 26–27 Jun. 2009; UCDC • 1 ♀; Imperial Co., Wash Road 11.3 km SE of CA Hwy 78, then 1.0 km SW; 32.92382° N, 114.99087° W; 29 Apr.–2 May 2008; UCDC • 1 ♀; Imperial Co., Wash Road 11.3 km SE of CA Hwy 78, then 1.0 km SW; 32.92347° N, 114.99039° W; 6–10 Jul. 2008; UCDC • 2 ♀♀; same location as for preceding; 18–22 Sep. 2008; UCDC • 2 ♀♀; Imperial Co., Wash Road 11.3 km SE of CA Hwy 78, then 1.2 km SW; 32.92335° N, 114.9919° W; 30 May–3 Jun. 2008; UCDC • 2 ♀♀; same location as for preceding; 30 May–3 Jun. 2008; UCDC • 1 ♀; Imperial Co., Wash Road 6.7 km SE of CA Hwy 78; 32.957° N, 115.01802° W; 7–10 Jul. 2008; UCDC • 1 ♀; 10.1 mi. W of Glamis; [33° N, 115.25° W]; 3Apr. 1960; R.C. Dichman leg.; ex Larrea divaricata; UCRC • 1 ♀; Winterhaven; [32.74° N, 114.63° W]; 31 May 1930; Timberlake leg.; ex Sphaeralcea o

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