Lasioglossum (Dialictus) hudsoniellum

Lasioglossum (Dialictus) hudsoniellum (Cockerell, 1919) Figs 1, 42, 90D, 107A, 116C Halictus hudsoniellus Cockerell, 1919: 290 (holotype, ♀, deposited in USNM, examined). Halictus (Chloralictus) hudsoniellus – Sandhouse 1924: 4 (key). Lasioglossum (Chloralictus) hudsoniellum – Michener 1951: 1114 (catalog). Dialictus hudsoniellus – Hurd 1979: 1966 (catalog). — Moure & Hurd 1987: 104 (catalog). Lasioglossum (Dialictus) hudsoniellum – Gibbs 2010: 140, figs 116a–c, 117a–g (key, redescription). — Scott et al. 2011: 30 (checklist). Diagnosis Females of Lasioglossum hudsoniellum can be recognized by the face shiny with dense but distinctly separated and similarly-sized punctures over the frons and paraocular area, mesepisternum with crowded punctures (i =0 pd), scutum usually moderately densely and evenly punctate (i ≤ 1–2 pd), T1 usually with moderately dense punctures (i=1–2 pd) outlining distinct impunctate apicolateral ovals (present but less distinct in most other species), pronotal angle usually about 90 degrees, postgena shiny, and T2 without dark spiracular spots. They are most similar to L. spivakae sp. nov., L. arenisaltans sp. nov., and L. lilianae sp. nov. Females of L. spivakae sp. nov. have the scutum punctures with interspaces 2–3 pd wide immediately mesad of the parapsidal line, metasoma with tomentum mostly restricted to T3–4, pronotal angle obtuse, and metasomal terga usually with sharply delineated brown to black bands. Females of L. arenisaltans sp. nov. have the frons punctures crowded and indistinct, scutum punctures very dense (i <1 pd), postgena lineate, and T2 with dark spiracular spots. Females of L. lilianae sp. nov. have the scutum and T1 more finely and sparsely punctate (i =1–4 pd in part). Males of L. hudsoniellum can be recognized by S5 apical rim strongly concave, flagellomeres relatively short (F2 about 1.25 times as long as F1 and about as long as broad), face below eye emargination covered in dense tomentum, T1–3 rims usually moderately densely punctate (i=1–2 pd), and T1–5 with abundant tomentum. They are most similar to L. arenisaltans sp. nov. and L. imbriumbrae sp. nov. Both of these species have S5 apical rim straight and metasoma with tomentum sparse or absent. In addition, males of L. arenisaltans sp. nov. have the flagellomeres relatively longer (F2 about 1.75 times as long as F1 and 1.5 times as long as broad), and males of L. imbriumbrae sp. nov. have T1–3 rims impunctate. Etymology Cockerell (1919) named this species after the Hudsonian life zone in the Rocky Mountains, where the type specimen was collected, plus the Latin adjectival diminutive suffix - ellus. Material examined Holotype UNITED STATES – Colorado • ♀; Longs Peak Trail, Hudsonian Zone; [40.274° N, 105.579° W]; 3200 m a.s.l.; 22 Jul.; Cockerell leg.; USNM 27765. Other material CANADA – Alberta • 3 ♀♀; 11.8 km SSW of Empress (stabilizing dune); 50.8504° N, 110.0489° W; 24 May 2019; T.M. Onuferko leg.; CMNC • 1 ♀; Writing-On-Stone Prov. Pk., Sand-North; [49.09° N, 111.62° W]; 1 Aug. 1990; M. Klassen leg.; PCYU. – Saskatchewan • 2 ♀♀; N Bitter Lake, Tunstall (stabilizing dune); 50.1456° N, 109.8062° W; 2 Jun. 2019; T.M. Onuferko leg.; CMNC MEXICO – Baja California Sur • 7 ♀♀; 17 mi. NE of Santa Rita; [24.76° N, 111.27° W]; 18 Sep. 1983; R.R. Snelling leg.; ex Euphorbia; LACM • 1 ♀; Constitución, 18 km N; [25.18° N, 111.75° W]; 40 m a.s.l.; 13 Apr. 1994; A. Rodríquez leg.; ex Brassica nigra; SEMC • 1 ♀; Playa Buenaventura, nr San Buenaventura; [26.64° N, 111.83° W]; 0 m a.s.l.; 14 Apr. 1997; A. Rodríquez leg.; ex Brassica nigra; SEMC. – Chihuahua • 1 ♀; 3 mi. W of Jimenez; [27.14° N, 104.97° W]; 1250 m a.s.l.; 26 Jul. 1952; SEMC • 1 ♀; Hwy 45, 5 rd mi. NE of Salaices (15 mi. SW of jct. Hwy 49); [27.08° N, 105.13° W]; 1585 m a.s.l.; 24 Aug. 1976; J.P. and K.E. Donahue leg.; LACM. – Coahuila • 1 ♀; 2 km N of San Lorenzo; 25.5167° N, 102.1833° W; 1430 m a.s.l.; 24 Mar. 1992; R. Brooks leg.; ex Varilla mexicana; SEMC • 1 ♀; same location as for preceding; 24 Mar. 1992; B. Alexander leg.; ex Bahia absinthifolia; SEMC • 1 ♀; 55 km E of Parras de la Fuente; 25.3167° N, 101.7333° W; 1960 m a.s.l.; 1 Apr. 1992; D. Yanega leg.; ex Dalea eriophylla; SEMC • 4 ♀♀; Arteaga, San Antonio de las Alazanas; [25.2847° N, 100.6131° W]; 2015 m a.s.l.; 21 Jul. 2013; LRF and CVM leg.; LRF • 1 ♀; San Antonio de las Alazanas, Arteaga; 25.2847° N, 100.6131° W; 2015 m a.s.l.; 9 Mar. 2014; LRF and CVM leg.; LRF. – Durango • 2 ♀♀; 36 mi. SW of Cd. Lerdo; [25.17° N, 103.93° W]; 1113 m a.s.l.; 16 Aug. 1963; Naumann and Willis leg.; SEMC • 1 ♀; Nombre de Dios; [23.85° N, 104.24° W]; 13 May 1952; F.D. Parker leg.; UCDC. – Hidalgo • 1 ♀; Lagunilla; [20.34° N, 99.02° W]; 14 Jun. 1951; H.E. Evans leg.; SEMC • 1 ♀; Zimapan; [20.73° N, 99.38° W]; 11–14 Jun. 1951; P.D. Hurd leg.; EMEC • 1 ♂; same location as for preceding; 8 Jul. 1968; M.S. Wasbauer and J.E. Slansky leg.; UCDC. – Nuevo Leon • 2 ♀♀; 3 km SW of Galeana; [24.81° N, 100.1° W]; 1550 m a.s.l.; 19 Mar. 1991; R. Brooks and R. Leschen leg.; SEMC • 1 ♀; 37 km SW of Linares; [24.6° N, 99.8° W]; 310 m a.s.l.; 20 Mar. 1991; R. Brooks and R. Leschen leg.; SEMC • 6 ♀♀; Galeana, La Hediondilla; [25.0694° N, 100.7186° W]; 1890 m a.s.l.; 28 Jul. 2013; LRF and CVM leg.; LRF • 1 ♀; same location as for preceding; 2 Jun. 2013; LRF and CVM leg.; LRF • 1 ♀; same location as for preceding; 3 Apr. 2013; LRF and CVM leg.; LRF • 1 ♀; Galeana, Los Llanos; [24.8089° N, 100.7119° W]; 1865 m a.s.l.; 27 Jul. 2013; LRF and CVM leg.; LRF • 5 ♀♀; same location as for preceding; 1 Jun. 2013; LRF and CVM leg.; LRF • 5 ♀♀; Galeana, Pablillo; [24.6119° N, 100.0014° W]; 2085 m a.s.l.; 5 Apr. 2013; LRF and CVM leg.; LRF • 2 ♀♀; La Hediondilla, Galeana; 25.0694° N, 100.7186° W; 1890 m a.s.l.; 29 Sep. 2013; LRF and CVM leg.; LRF • 1 ♀; Los Llanos, Galeana; 24.8089° N, 100.7119° W; 1865 m a.s.l.; 29 Mar. 2014; LRF and CVM leg.; LRF • 1 ♀; Pablillo, Galeana; 24.6119° N, 100.0014° W; 2083 m a.s.l.; 13 Apr. 2014; LRF and CVM leg.; LRF • 1 ♀; San Antonio de las Alazanas; 25.2847° N, 100.6131° W; 2015 m a.s.l.; 1 Sep. 2013; LRF and CVM leg.; LRF. – San Luis Potosi • 1 ♀; El Huizache; [22.92° N, 100.46° W]; 22 Aug. 1954; ex Larrea tridentata; SEMC • 6 ♀♀; same location as for preceding; 22 Aug. 1954; SEMC. – Sonora • 1 ♀; 30 km E of Agua Prieta; 31.3294° N, 109.2547° W; 24 Jul. 2001; R.L. Minckley leg.; RLM • 1 ♀; 30 km E of Agua Prieta; 31.3322° N, 109.2703° W; 31 Mar. 2002; R.L. Minckley leg.; RLM • 4 ♀♀; Municipio de Agua Prieta, Rancho Las Anitas, Grassland Site 1; 31.31389° N, 109.31417° W; 21 May 2008; RLM • 1 ♀; Rancho San Bernardino, Bosque dry, Site 4; 31.30972° N, 109.27778° W; 8 May 2008; RLM • 1 ♀; Rancho San Bernardino, Bosque dry, Site 4, Transect 1; 31.30992° N, 109.27783° W; 19 May 2004; RLM • 1 ♀; Rancho San Bernardino, Bosque wet, Site 1, Transect 2; 31.33215° N, 109.27015° W; 3 Jul. 2002; RLM • 1 ♀; same location as for preceding; 13 Aug. 2002; RLM • 1 ♀; Rancho San Bernardino, field, Site 1, Transect 2; 31.32422° N, 109.26663° W; 11 Oct. 2002; RLM • 1 ♀; Rancho San Bernardino, Grassland, Site 1; 31.3187° N, 109.28023° W; 19 Aug. 2003; ex Kallstroemia californica; RLM • 1 ♀; same location as for preceding; 19 Aug. 2003; RLM • 1 ♀; Rancho San Bernardino, Grassland, Site 6, Transect 1; 31.3112° N, 109.26625° W; 11 Aug. 2007; RLM • 1 ♀; Rancho San Bernardino, Grassland, Site 7; 31.30833° N, 109.27361° W; 12 Aug. 2006; RLM • 1 ♀; Rancho San Bernardino, Grassland, Site 7, Transect 3; 31.30865° N, 109.27308° W; 21 Jul. 2005; RLM • 1 ♀; Rancho San Bernardino, Little dam site, nr main houses; 31.32083° N, 109.27601° W; 16 Jul. 2005; ex Salsola kali subsp. tragus; RLM • 1 ♀; Rancho San Bernardino, quarry, at road crossing; 31.32042° N, 109.2681° W; 2 Sep. 2003; RLM • 1 ♀; Rancho San Bernardino, quarry, gravel pit; 31.31964° N, 109.26926° W; 19 Aug. 2003; RLM • 1 ♀; Rancho San Bernardino, Rancho San Bernardino; 31.32907° N, 109.26553° W; 1 Aug. 2000; RLM • 1 ♀; Rancho San Bernardino, Riparian, Site 4; 31.32972° N, 109.25583° W; 20 Aug. 2003; RLM • 2 ♀♀; Rancho San Bernardino, Shrub 3; 31.32222° N, 109.29306° W; 7 Apr. 2006; RLM • 1 ♀; same location as for preceding; 23 Apr. 2008; RLM • 1 ♀; Rancho San Bernardino, Shrub, Site 4, Transect 2; 31.333° N, 109.24035° W; 6 Jul. 2002; RLM • 1 ♀; Sonora Rancho, San Bernardino; 31.33215° N, 109.27015° W; 5 Jul. 2001; R. Minckley leg.; RLM • 1 ♀; Sonora Rancho, San Bernardino; 31.3322° N, 109.2703° W; 1 Sep. 2001; R. Minckley leg.; RLM • 1 ♀; Sonora Rancho, San Bernardino; 31.3222° N, 109.2769° W; 11 Sep. 2001; R.L. Minckley leg.; RLM • 1 ♀; Sonora Rancho, San Bernardino; 31.3222° N, 109.2772° W; 22 Aug. 2001; R.L. Minckley leg.; RLM • 1 ♀; Sonora Rancho, San Bernardino; 31.3189° N, 109.2511° W; 31 Aug. 2001; R. Minckley leg.; RLM. – Tamaulipas • 1 ♀; 3 mi. S of San Fernando; [24.8° N, 98.15° W]; 9 Jul. 1966; SEMC. – Zacatecas • 1 ♂; 45 mi. SW of Saltillo; [24.7° N, 101.3° W]; 14 Sep. 1977; R.W. Brooks leg.; SEMC. UNITED STATES – Arizona • 1 ♂; Apache Co., 33 km W of Zuni NM; [35.07° N, 109.21° W]; 14 Jun. 1999; L. Packer leg.; PCYU • 1 ♀; Cochise Co., 1 mi. S of Willcox; [32.24° N, 109.83° W]; 7 Aug. 1978; R.W. Brooks leg.; ex Wislizenia refracta; SEMC • 1 ♀; Cochise Co., 4 mi. E of Willcox; [32.25° N, 109.76° W]; 17 Aug. 1994; J.G. Rozen and J.S.Ascher leg.; AMNH • 1 ♀; same location as for preceding; 11–18 Aug. 1987; K.V. Krombein leg.; USNM • 2 ♀♀; Cochise Co., 40 km S I-10 on Portal Rd; [31.87° N, 109.05° W]; 17 Apr. 1992; W.T. Wcislo leg.; ex Sisymbrium; SEMC • 23 ♀♀; Cochise Co., Apache vicinity; [31.69° N, 109.13° W]; 7 Jun. 1987; B.N. Danforth leg.; ex Lepidium; SEMC • 2 ♂♂; Cochise Co., Chiricahua Mts, Desert Scrub Site; [31.9° N, 109.3° W]; J.L. Neff and A.R. Moldenke leg.; CUIC • 1 ♀; Cochise Co., Douglas; [31.34° N, 109.55° W]; 18–19 Jul. 1973; ex Larrea tridentata; EMEC • 1 ♀; same location as for preceding; 18–19 Jul. 1973; P.D. Hurd, E.G. and J.M. Linsley, A.E. and M.

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