Lasioglossum (Dialictus) cembrilacus, Gardner & Gibbs, 2020

Gardner, Joel & Gibbs, Jason, 2020, The ‘ red-tailed’ Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic, European Journal of Taxonomy 725, pp. 1-242 : 39-46

publication ID

https://doi.org/ 10.5852/ejt.2020.725.1167

publication LSID

lsid:zoobank.org:pub:89FA8DDF-F4B9-417A-A5AF-B2BC9660E024

DOI

https://doi.org/10.5281/zenodo.4337982

persistent identifier

https://treatment.plazi.org/id/082AC082-F9FB-47A1-9779-9867AF24F57D

taxon LSID

lsid:zoobank.org:act:082AC082-F9FB-47A1-9779-9867AF24F57D

treatment provided by

Plazi

scientific name

Lasioglossum (Dialictus) cembrilacus
status

sp. nov.

Lasioglossum (Dialictus) cembrilacus sp. nov.

urn:lsid:zoobank.org:act:082AC082-F9FB-47A1-9779-9867AF24F57D

Figs 19–21 View Fig View Fig View Fig , 92B View Fig

Diagnosis

Females of Lasioglossum cembrilacus sp. nov. can be easily recognized by the body mostly covered in extremely dense, long, yellowish, plumose hairs and tomentum, mesothorax shiny and densely punctate (i ≤ 1 pd), face relatively long (length/width ratio ~0.84), and metasomal terga sometimes with metallic green reflections. They are most similar to Lasioglossum albohirtum (Crawford, 1907) (see Gibbs 2010 for a redescription of this species). Females of L. albohirtum have the hair of the paraocular area shorter

and sparser, scutum slightly more sparsely punctate (i= 1–2 pd), and metasoma and clypeus apical margin never red or orange.

Males of L. cembrilacus sp. nov. can be recognized by the tomentum long and dense in the lower paraocular area and absent or very sparse over the rest of the body, red or orange colouration largely absent except on ventral surface of flagellum, propodeum dorsolateral slope shiny and distinctly punctate, flagellomeres relatively long (F2 about 2 times as long as F1), mesepisternum and metasomal terga relatively densely punctate (i ≤ 1 and i= 1–2 pd, respectively), and metasomal terga with weak metallic green reflections at least in basal half of T1. They are most similar to L. zephyrus ( Smith, 1853) , L. pictum , and L. decorum sp. nov. Males of L. zephyrus and L. pictum have the propodeum dorsolateral slope rugulose and face with more extensive tomentum. Males of L. decorum sp. nov. have the flagellomeres relatively short (F2 about 1.5 times as long as F1), face without tomentum, frons dull, and mesepisternum and metasomal terga more sparsely punctate (i= 1–2 and 1–4 pd, respectively).

Etymology

The specific epithet cembrilacus is formed from the New Latin noun ‘ cembra ’ (‘timber’, especially in reference to the tree Pinus cembra L.) plus the Latin genitive noun ‘ lacus ’ (lake; spelled identically in both nominative and genitive case). It is both a dedication to Philip Hunter Timberlake, and a reference to this species’ mountain habitat with its many pines and lakes. An appropriate translation would be Timberlake’s sweat bee.

Material examined

Holotype

UNITED STATES – California • ♀; Mariposa Co., 1.7 mi. SE by E of Ostrander Rocks; 37.679° N, 119.567° W; 2091 m a.s.l.; 3 Jul. 2005; H. Ikerd leg.; PCYU.

[Verbatim label: USA CA Mariposa Co. 1.7 mi. SEbyE Ostrander Rocks 2091 m 11S E273625 N4173300 3 Jul05 PnTrp fl ylw, H.W.Ikerd / BBSL613033 // 1845A10 // HOLOTYPE / Lasioglossum (Dialictus) cembrilacus Gardner and Gibbs ]

GoogleMaps

Paratypes

UNITED STATES – California • 1 ♀; Mariposa Co., 1.8 mi. SE by E of Ostrander Rocks; 37.6768° N, 119.5669° W; 2096 m a.s.l.; 28–29 Jul. 2005; L. Fuerst leg.; PCYU • GoogleMaps 2 ♀♀; Plumas Co., 14 mi. W of Johnsville; [39.76° N, 120.96° W]; 15 Jul. 1967; J. S. Buckett leg.; UCDC • GoogleMaps 1 ♀; Amador Co., 2 mi. SW of Silver Lake; [38.67° N, 120.11° W]; 20 Aug. 1949; C.D. MacNeill leg.; EMEC • GoogleMaps 1 ♀; El Dorado Co., 2 mi. S of Meyers; [38.83° N, 120.02° W]; 24 Jul. 1955; E.I. Schlinger leg.; UCDC • GoogleMaps 1 ♀; Alta ; [39.21° N, 120.81° W]; 29 Jun. 1933; BBSL • GoogleMaps 1 ♀; Siskiyou Co., Ash Creek Ranger Stn , 9 mi. E of McCloud; [41.262° N, 121.95° W]; 1067 m a.s.l.; 13–16 Jun. 1974; D. Green leg.; EMEC • GoogleMaps 1 ♀; same location as for preceding; 7–9 Jun. 1974; D. Green leg.; ex Ceanothus velutinus ; EMEC • GoogleMaps 1 ♀; same location as for preceding; 7–9 Jun. 1974; J. Powell leg.; ex Ceanothus cordulatus ; EMEC • GoogleMaps 1 ♀; same location as for preceding; 7–9 Jun. 1974; J. Powell leg.; EMEC • GoogleMaps 1 ♀; same location as for preceding; 7–9 Jun. 1974; R. Coville leg.; ex Ceanothus cordulatus ; EMEC • GoogleMaps 3 ♀♀; same location as for preceding; 7–9 Jun. 1974; J. Chemsak leg.; EMEC • GoogleMaps 1 ♀; Tehama Co., Battle Creek Meadows ; [40.34° N, 121.6° W]; 1554 m a.s.l.; 17 Jun. 1967; R.F. Denno leg.; UCDC • GoogleMaps 3 ♂♂; Plumas Co., Big Bear Lake ; [39.685° N, 120.67° W]; 2103 m a.s.l.; 19 Aug. 1978; N.J. Smith leg.; UCDC • GoogleMaps 2 ♀♀; Shasta Co., Big Spring ; [40.643° N, 121.468° W]; 23 May 1941; C.D. Michener leg.; EMEC • GoogleMaps 4 ♀♀; Glenn Co., Black Butte ; [39.73° N, 122.87° W]; 1981–2134 m a.s.l.; 14 Jun. 1972; D. Veirs leg.; EMEC • GoogleMaps 1 ♀; El Dorado Co., Blodgett Forest , 13 mi. E of Georgetown; [38.89° N, 120.65° W]; 1 Jul. 1967; W.J. Turner leg.; EMEC • GoogleMaps 1 ♀; Placer Co., Brockway ; [39.23° N, 120.01° W]; Jul. 1941; G.E. Bohart leg.; BBSL • GoogleMaps 1 ♀; Plumas Co., Buck’s Lake ; [39.87° N, 121.17° W]; 1 Jul. 1949; J.W. MacSwain leg.; EMEC • GoogleMaps 1 ♀; same location as for preceding; 1 Jul. 1949; E.I. Schlinger leg.; UCDC • GoogleMaps 2 ♀♀; Placer Co., Carnelian Bay , Lake Tahoe ; [39.23° N, 120.08° W]; 8 Jul. 1964; C. Slobodchikoff leg.; CAS • GoogleMaps 1 ♀; Carnelian Bay, Lake Tahoe ; [39.23° N, 120.08° W]; 24 Jun. 1954; R.H. Goodwin leg.; EMEC • GoogleMaps 2 ♀♀; same location as for preceding; 17 Jun. 1958; R.M. Bohart leg.; UCDC • GoogleMaps 1 ♀; El Dorado Co., China Flat ; [38.754° N, 120.269° W]; 28 Jun. 1948; P.D. Hurd leg.; EMEC • GoogleMaps 1 ♀; Tuolumne Co., Chipmunk Flat ; [38.325° N, 119.69° W]; 1 Jul. 1962; J. Powell leg.; EMEC • GoogleMaps 1 ♀; same location as for preceding; 13 Jun. 1962; C.A. Toschi leg.; EMEC • GoogleMaps 1 ♀; Cinder Cone, Lassen Nat. Park ; [40.547° N, 121.32° W]; 19 Jun. 1941; ex Ribes ; EMEC • GoogleMaps 1 ♀; Nevada Co., Donner Pass ; [39.32° N, 120.32° W]; 4 Jul. 1962; J. Powell leg.; EMEC • GoogleMaps 1 ♀; Trinity Co., Eagle Creek ; [41.13° N, 122.7° W]; 13 Jul. 1949; A.T. McClay leg.; UCDC • GoogleMaps 1 ♀; same location as for preceding; 13 Jul. 1949; A.T. McClay leg.; UCDC • GoogleMaps 1 ♀; Calaveras Co., Garnet Hill ; [38.48° N, 120.25° W]; 16 Jun. 1957; H.K. Court leg.; UCDC • GoogleMaps 3 ♀♀; Sierra Co., Gold Lake ; [39.68° N, 120.64° W]; 26 Jul. 1921; C.L. Fox leg.; CAS • GoogleMaps 2 ♀♀; Hat Lake, Lassen Nat. Park ; [40.509° N, 121.466° W]; 3 Jun. 1941; P.D. Hurd leg.; ex Salix ; EMEC • GoogleMaps 3 ♀♀; same location as for preceding; 3 Jun. 1941; EMEC • GoogleMaps 1 ♀; same location as for preceding; 3 Jun. 1941; C.D. Michener leg.; EMEC • GoogleMaps 2 ♀♀; same location as for preceding; 3 Jun. 1941; C.D. Michener leg.; ex Salix ; EMEC • GoogleMaps 5 ♀♀; same location as for preceding; 3 Jun. 1941; C.D. Michener leg.; ex Arctostaphylos ; EMEC • GoogleMaps 15 ♀♀; Alpine Co., Hope Valley ; [38.75° N, 119.94° W]; 22 Jul. 1955; E.E. Gilbert and N.A. Walker leg.; EMEC • GoogleMaps 2 ♀♀; same location as for preceding; 9 Jul. 1948; J.W. MacSwain leg.; EMEC • GoogleMaps 1 ♀; Fresno Co., Huntington Lake ; [37.25° N, 119.2° W]; 4–5 Jul. 1919; F.E. Blaisdell leg.; CAS • GoogleMaps 22 ♀♀; Sierra Co., Independence Lake ; [39.45° N, 120.3° W]; 19 Jul. 1978; N.J. Smith leg.; UCDC • GoogleMaps 1 ♀; Alpine Co., Indian Creek L. ; [38.74° N, 119.78° W]; 15 Jun. 1979; G.E. Bohart leg.; BBSL • GoogleMaps 1 ♀; Tulare Co., Jackson Meadow ; [35.966° N, 118.626° W]; 27 Jun. 2000; J.S. Ascher leg.; AMNH • GoogleMaps 1 ♀; Tulare Co., Jackson Meadow; 35.966° N, 118.626° W; 27 Jun. 2000; J.S. Ascher leg.; AMNH • GoogleMaps 1 ♀; Lake Tahoe ; [39.2° N, 120.1° W]; 1897 m a.s.l.; 16 Jul. 1949; E.G. Linsley leg.; ex Solidago sp.; EMEC • GoogleMaps 1 ♀; Inyo Co., Lone Pine Canyon ; [36.59° N, 118.23° W]; 16 Jul. 1952; BBSL • GoogleMaps 1 ♀; Mariposa Co., Merced Lake Trail , 1.9 mi. E by N of Bunnell Pt.; 37.744° N, 119.432° W; 2141 m a.s.l.; 3 Jun. 2005; H. Briggs and E. Stephens leg.; PCYU • GoogleMaps 1 ♀; Siskiyou Co., Mount Shasta ; [41.34° N, 122.25° W]; 1829 m a.s.l.; 13 Jul. 1958; J. Powell leg.; EMEC • GoogleMaps 1 ♀; Trinity Co., Mountain Meadow Ranch head Coffee Creek ; [41.08° N, 122.94° W]; 1554 m a.s.l.; 8–10 Jul. 1969; C. Slobodchikoff leg.; EMEC • GoogleMaps 2 ♀♀; Nevada Co. , near Hobart Mills; [39.4° N, 120.18° W]; 18 Jun. 1962; F.D. Parker leg.; UCDC • GoogleMaps 1 ♀; Shasta Co., Old Station ; [40.675° N, 121.431° W]; 16 Jun. 1941; EMEC • GoogleMaps 1 ♀; El Dorado Co., Pino Grande , SW of Lake Edson; [38.87° N, 120.62° W]; 29 Jun. 1967; J. Powell leg.; EMEC • GoogleMaps 12 ♀♀; Glenn Co., Plaskett Meadows ; [39.726° N, 122.845° W]; 1920 m a.s.l.; 14 Jun. 1972; J. Doyen leg.; ex Cistanthe umbellata ; EMEC • GoogleMaps 1 ♀; Glenn Co., Plaskett Meadows ; [39.726° N, 122.845° W]; 1890 m a.s.l.; 3 Jul. 1960; J. Powell leg.; EMEC • GoogleMaps 3 ♀♀; same location as for preceding; 3 Jul. 1960; J. Powell leg.; EMEC • GoogleMaps 1 ♀; Nevada Co., Russell Vly ; [39.43° N, 120.1° W]; 26 Jun. 1964; D.F. Veirs leg.; BBSL • GoogleMaps 1 ♀; Nevada Co., Sagehen Creek ; [39.432° N, 120.241° W]; 22 Jun. 1972; S.F. Casey leg.; UCDC • GoogleMaps 3 ♀♀; Nevada Co., Sagehen Creek near Truckee; [39.432° N, 120.241° W]; 2–8 Jun. 2003; Schulmeister and Keating leg.; AMNH • GoogleMaps 1 ♀; Nevada Co., Sagehen Creek , near Hobart Mills; [39.43° N, 120.2° W]; 29 Jun. 1962; M.E. Irwin leg.; UCDC • GoogleMaps 1 ♀; Sagehen near Hobart Mills; [39.43° N, 120.2° W]; 25 Jun. 1954; R.H. Goodwin leg.; EMEC • GoogleMaps 1 ♀; Mono Co., Sardine Creek ; [38.32° N, 119.61° W]; 27 Jun. 1957; John M. Burns leg.; EMEC • GoogleMaps 2 ♀♀; Fresno Co., Shaver Lake ; [37.1° N, 119.3° W]; 27 Jul. 1968; J.B. Hoy leg.; EMEC • GoogleMaps 1 ♀; Sonora Pass ; [38.328° N, 119.637° W]; 2933 m a.s.l.; 9 Jul. 1957; R.M. Bohart leg.; UCDC • GoogleMaps 1 ♀; Tuolumne Co., Strawberry ; [38.2° N, 120.01° W]; 18 Jun. 1951; E.G. Linsley and J.W. MacSwain leg.; BBSL • GoogleMaps 1 ♀; same collection data as for preceding; EMEC • 12 ♀♀; Placer Co., Summit ; [39.2° N, 120.3° W]; 2134 m a.s.l.; W.M. Giffard leg.; CAS • GoogleMaps 1 ♀; Placer Co., Tahoe National Forest , Blackwood Creek , 4 km W of Kaspian Rec. site, Lake Tahoe ; [39.1° N, 120.2° W]; 19 Jul. 1983; Thomas W. Davies leg.; CAS • GoogleMaps 2 ♀♀; El Dorado Co., Tallac ; [38.94° N, 120.05° W]; 1829 m a.s.l.; W.M. Giffard leg.; CAS • GoogleMaps 1 ♀; Siskiyou Co., Trinity Alps , Caribou Mt. ; [41.03° N, 122.97° W]; 1920–2134 m a.s.l.; 9 Jul. 1969; J. Powell leg.; EMEC • GoogleMaps 2 ♀♀; Siskiyou Co., Trout Creek at Forest Service Rd 43N13 (17 air mi. NE of McCloud); [41.43° N, 121.904° W]; 10 Jun. 1974; J. Sorenson leg.; EMEC • GoogleMaps 1 ♀; Nevada Co., Truckee ; [39.33° N, 120.18° W]; 17 Aug. 1955; Joan Linsley leg.; ex Chrysothamnus ; EMEC • GoogleMaps 1 ♀; Trinity Co.; [40.5° N, 123° W]; 7 Jun. 1934; R.M. and G.E. Bohart leg.; CAS. GoogleMaps Nevada • 6 ♀♀; Lake Tahoe, Incline Village ; [39.25° N, 119.95° W]; 20–25 May 1985; W.W. Middlekauff leg.; CAS • GoogleMaps 1 ♀; Mount Rose ; [39.34° N, 119.92° W]; 12 Aug. 1936; Bryant leg.; CAS • GoogleMaps 1 ♀; Nevada ; ANSP.

Description

Female

COLOURATION. Head and mesosoma blue-green to golden-green; clypeus apical colour reddish brown to orange; labrum reddish brown to orange; mandible orange with black base and red tip; flagellum reddish brown, sometimes becoming orange apically and ventrally; pronotal lobe reddish brown to orange; metasoma orange with discs of terga usually dark metallic green at base (rarely entirely orange to green) and dark spiracular spots on T3–4 and sometimes also T2; legs reddish brown with femurtibia joints, femora apices, and tarsi orange; hind femur mostly orange with brown anterior spot; tegula pale amber; wing membrane infuscated, veins with subcosta brown, otherwise pale amber.

PUBESCENCE. Body hair colour golden to pale yellow. Tomentum dense on entire body except clypeus, postgena, pronotum anterior face, mesepisternum ventrally, propodeum dorsal and posterior face, T1 medially, and sterna. Scutum hair densely plumose. Wing hairs light, short and dense. Acarinarial fan complete, large and dense. T2 fringes dense, T3 fringes dense.

SURFACE SCULPTURE. Clypeus punctures dense in basal half (i <1 pd), irregularly sparse in apical half (i <2 pd), sculpture imbricate basally, shiny apically; supraclypeal area punctures dense (i ≤ 1 pd), sculpture shiny; paraocular area punctures crowded (i= 0 pd), sculpture shiny; frons punctures crowded (i = 0 pd), sculpture shiny; vertex punctures dense (i <1 pd), sculpture shiny; gena punctures dense (i <1 pd), sculpture shiny; postgena sculpture shiny; tegula punctures absent; scutum punctures dense (i ≤ 1 pd), becoming crowded laterad of parapsidal lines (i= 0 pd), sculpture shiny, becoming weakly tessellate anteromedially; scutellum punctures crowded marginally and on median line (i =0 pd), dense to moderately sparse submedially (i ≤ 2 pd), sculpture shiny; metanotum sculpture shiny with crowded punctures (i =0 pd); metapostnotum rugae strong, parallel or slightly anastomosing, not reaching margin, sculpture weakly imbricate; preëpisternum sculpture areolate-rugulose; hypoepimeron punctures dense (i <1 pd), sculpture shiny; mesepisternum punctures dense (i <1 pd), sculpture shiny, sometimes weakly lineate; metepisternum sculpture lineate dorsally, reticulate-punctate ventrally; propodeum lateral face sculpture tessellate; propodeum posterior face sculpture weakly tessellate with distinct, sparse punctures (i =1–3 pd); T1 anterior face sculpture coriarious; T1 dorsal surface punctures moderately dense (i =1–2 pd), sculpture shiny; T2 disc punctures moderately dense (i = 1–2 pd), disc sculpture coriarious at base, shiny apically, rim punctures fine, moderately sparse (i= 1–3 pd), rim sculpture shiny.

STRUCTURE. Face length/width ratio 0.84 (± 0.01 SD). Clypeus projecting ~75% below suborbital tangent; clypeal area length/width ratio 0.43 (± 0.02 SD); apicolateral denticles low rounded knobs; supraclypeal area length/width ratio 0.63 (± 0.06 SD). Forewing with 3 submarginal cells; pronotal angle obtuse; tegula shape normal. Intertegular distance 1.04 (± 0.07 SD) mm. Scutum length/width ratio 0.88 (± 0.06 SD); scutum/scutellum length ratio 2.83 (± 0.3 SD); scutellum/metanotum length ratio 1.47 (± 0.14 SD); metanotum/metapostnotum length ratio 0.75 (± 0.06 SD). Propodeum lateral carinae not reaching dorsal margin; oblique carina absent. T2 depressed apical rim length less than 50% of segment. (n = 10)

Male

COLOURATION. Head and mesosoma blue-green to golden-green; clypeus apical colour black; labrum black; mandible brown with black basal band and red tip; flagellum black to reddish brown dorsally, orange to brown ventrally; pronotal lobe reddish brown; metasoma black with discs of terga metallic green marginally and rims of terga and sterna and downcurved lateral areas of terga broadly translucent brown; legs reddish brown with femur-tibia joints, base and apex of tibiae, and tarsi light brown; tegula brown; wing membrane lightly infuscated, veins dark brown.

PUBESCENCE. Body hair colour pale yellow to white. Tomentum dense on paraocular area, pronotal angle and lobe, and space between pronotal lobe and tegula; sparse on gena, metanotum, metepisternum, T2–4 basolaterally, and T5 throughout. Scutum hair thin to moderately plumose. Sterna hair short (1–1.5 OD), thin to moderately plumose, sparse and erect. Wing hairs dark, long and dense.

SURFACE SCULPTURE. Clypeus punctures dense in basal third (i ≤ 1 pd), irregularly sparse apically (i <3 pd), diversopunctate, sculpture shiny; supraclypeal area punctures dense (i ≤ 1 pd), sculpture shiny; paraocular area punctures dense (i <1 pd), sculpture shiny; frons punctures dense (i <1 pd), sculpture shiny; vertex punctures dense (i ≤ 1 pd), sometimes obscure medially, sculpture shiny, sometimes rugulose medially; gena punctures fine, moderately sparse (i =1–3 pd), sculpture shiny; postgena sculpture shiny to weakly lineate; tegula punctures absent; scutum punctures dense (i <1 pd), becoming sparse submedially (i =1–3 pd), sculpture shiny; scutellum punctures sparse (i =1–3 pd), becoming dense marginally and on median line (i ≤ 1 pd), sculpture shiny; metanotum sculpture shiny and moderately sparsely punctate (i= 1–2 pd), sometimes rugulose laterally; metapostnotum rugae strong, subparallel or anastomosing, nearly reaching margin, sculpture shiny; preëpisternum sculpture areolate; hypoepimeron punctures dense (i <1 pd), sculpture shiny; mesepisternum punctures dense (i ≤ 1 pd), sculpture shiny; metepisternum sculpture ruguloso-lineate; propodeum lateral face punctures dense (i ≤ 1 pd), sculpture shiny to imbricate and weakly rugulose; propodeum posterior face sculpture shiny and densely punctate (i ≤ 1 pd); T1 anterior face sculpture shiny; T1 dorsal surface punctures moderately dense (i= 1–2 pd), becoming sparse on rim (i =1–4 pd), sculpture shiny; T2 disc punctures moderately dense (i= 1–2 pd), disc sculpture shiny, rim punctures sparse (i =1–4 pd), rim sculpture shiny.

STRUCTURE. Face length/width ratio 0.85 (± 0.01 SD). F1:pedicel length ratio 1.08 (± 0.1 SD); F2:F1 length ratio 1.95 (± 0.17 SD); F2 length/width ratio 1.37 (± 0.13 SD); F9 length/width ratio 1.16 (± 0.17 SD). Forewing with 3 submarginal cells; pronotal angle obtuse; tegula shape normal. Intertegular distance 0.9 (± 0.03 SD) mm. Scutum length/width ratio 0.78; scutum/scutellum length ratio 2.26; scutellum/metanotum length ratio 1.63 (± 0.18 SD); metanotum/metapostnotum length ratio 0.69 (± 0 SD). Propodeum lateral carinae not reaching dorsal margin; oblique carina absent. (n =3)

GENITALIA. Not examined.

Range

High elevations in the Sierra Nevada Mountains of California and Nevada ( Fig. 21 View Fig ).

Floral records

ASTERACEAE Giseke : Chrysothamnus Solidago ERICACEAE Juss. Arctostaphylos Adans. GROSSULARIACEAE DC. Ribes L. • PORTULACACEAE Juss. Cistanthe : C. umbellata (Torr.) Hershkovitz RHAMNACEAE Juss. Ceanothus L. C. cordulatus Kellogg C. velutinus Douglas ex Hook. SALICACEAE Mirb. Salix L.

DNA barcodes

Three sequences available (BOLD process IDs: DLII286-07, DLII292-07, DLII298-07; BIN: BOLD:ABZ3799). Lasioglossum cembrilacus sp. nov. differs from all other western red-tailed L. ( Dialictus ) by 4 fixed substitutions: 336(C), 399(C), 477(T), and 595(A) (Supplementary file 4).

Remarks

Lasioglossum cembrilacus sp. nov. is a mountain habitat specialist restricted to very high elevations (> 1000 m and often> 2000 m a.s.l.). It is infrequently collected but, when found, may occur in large numbers.

UCDC

USA, California, Davis, University of California, R.M. Bohart Museum of Entomology

EMEC

USA, California, Berkeley, University of California, Essig Museum of Entomology

BBSL

BBSL

CAS

USA, California, San Francisco, California Academy of Sciences

AMNH

USA, New York, New York, American Museum of Natural History

ANSP

USA, Pennsylvania, Philadelphia, Academy of Natural Sciences

UCDC

R. M. Bohart Museum of Entomology

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Halictidae

Genus

Lasioglossum

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