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Lasioglossum vierecki (Crawford, 1904)
Halictus vierecki Crawford, 1904; Dialictus vierecki (Crawford, 1904); Chloralictus vierecki (Crawford, 1904)

Life   Insecta   Hymenoptera   Apoidea   Halictidae   Lasioglossum
Subgenus: Dialictus

Lasioglossum vierecki, -unknown, -side 2012-07-17-17.06.53-ZS-PMax
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Lasioglossum vierecki, -unknown, -side 2012-07-17-17.06.53-ZS-PMax

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Lasioglossum vierecki, Mid-Atlantic Phenology
© Copyright source/photographer · 9
Lasioglossum vierecki, Mid-Atlantic Phenology
Lasioglossum vierecki FEM CFP comp
© Copyright Laurence Packer 2014 · 7
Lasioglossum vierecki FEM CFP comp

Lasioglossum vierecki MALE CFP comp
© Copyright Laurence Packer 2014 · 7
Lasioglossum vierecki MALE CFP comp
Lasioglossum vierecki, Barcode of Life Data Systems
Barcode of Life Data Systems · 1
Lasioglossum vierecki, Barcode of Life Data Systems

Lasioglossum vierecki, female, orangeabd
© Stephanie Kolski and Natalie Allen · 1
Lasioglossum vierecki, female, orangeabd
Lasioglossum vierecki, female, below
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum vierecki, female, below

Lasioglossum vierecki, female, face
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum vierecki, female, face
Lasioglossum vierecki, female, face
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum vierecki, female, face

Lasioglossum vierecki, female, face side
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum vierecki, female, face side
Lasioglossum vierecki, female, labrum
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum vierecki, female, labrum

Lasioglossum vierecki, female, mesepisternum side
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum vierecki, female, mesepisternum side
Lasioglossum vierecki, female, propodeum top
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum vierecki, female, propodeum top

Lasioglossum vierecki, female, propodeum top
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum vierecki, female, propodeum top
Lasioglossum vierecki, female, pygidium
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum vierecki, female, pygidium
Overview

Identification Summary: Small; common in sandy areas; abdomen orange-yellow; hair on scutum a clear golden yellow color unlike other orange-yellow abdomened species; pits touching on the scutum; abdomen extremely hairy.


Reprinted with permission from: Mitchell, T.B. 1960 Bees of the Eastern United States. North Carolina Agricultural Experiment Station Technical Bulletin No. 141.


FEMALE—Length 4 mm.; head and thorax brassy green, abdomen bright ferruginous; pubescence short, yellowish, dense on head and thorax dorsally and on the more apical abdominal segments; length and breadth of head subequal; clypeus convex, rather narrow, projecting about one-half below suborbital line, lower half ferruginous, as also the mandibles and labrum; eyes convergent below; lateral ocelli subequally distant from eyes and from each other; cheeks subequal to eyes in width; face below ocelli densely and rather finely punctate beneath the dense, yellow tomentum which obscures the surface, this extending on to vertex and cheeks, lower portion of cheeks nearly bare, finely striate, hypostomal carinae parallel; lower half of face more exposed, punctures somewhat coarser and more distinctly separated, but those of supraclypeal area fine, well separated, upper margin clypeus finely and closely punctate, but punctures becoming very coarse and sparse toward the apical margin; scutum and scutellum very closely and finely punctate beneath the dense, yellow tomentum which obscures the surfaces; pleura subrugose beneath the dense pubescence; dorsal area of propodeum narrow, rather finely but completely striate, lateral surfaces more shining, finely roughened; wings whitish, veins and stigma yellowish; tegulae yellowish-hyaline; femora piceous medially, but yellowish toward apex, tibiae and tarsi yellow; abdominal terga shining, very minutely but closely punctate, apical margins broadly impressed, this area yellow in contrast to the more ferruginous discs, and all obscured by the quite dense, yellow tomentum.

MALE—Length 4 mm.; entire body brassy green, but abdominal terga more or less piceous across central area of discs; pubescence short, thin, entirely yellowish-white, rather dense on face and on abdominal terga 4 and head very slightly longer than broad; clypeus rather short, convex, projecting about one-half below suborbital line; eyes strongly convergent below; lateral ocelli slightly nearer eyes than to each other; antennae slightly nearer eyes than to each other, basal segment of flagellum about as broad as long, 2nd and following segments only slightly longer, brownish-testaceous beneath, becoming more piceous above; mandibles and labrum more or less reddened; cheeks slightly narrower than eyes; face below ocelli rather dull, punctures deep, distinct and rather fine, but densely crowded, becoming only very slightly separated on vertex; cheeks somewhat shining, but closely, minutely punctate above, becoming finely and obscurely substriate below; hypostomal cannae parallel; lower half of face somewhat shining, punctures deep and distinct, fine, slightly separated, those on supraclypeal area about equally coarse, rather close, those clypeus becoming slightly more sparse, deep and distinct apically, apical margin narrowly blackened; scutum and scutellum somewhat shining between deep, distinct, rather fine but closely crowded punctures, these becoming somewhat finer on extreme sides, scutellum quite flat, without a median impressed area; pleura rather dull with quite coarse, deep, distinct and close punctures; dorsal area of propodeum rather finely but completely striate laterally, hind margin with a quite distinct, carinate rim, rather irregularly and finely rugoso-striate medially, lateral faces rather dull, finely rugoso-punctate; wings hyaline, veins and stigma yellowish-testaceous; tegulae brownish-testaceous with darker blotches; legs piceous basally, tibiae narrowly yellowish at base and apex, tarsi yellow; abdominal terga somewhat shining, punctures very fine but deep and distinct, very close over most of discs, but becoming quite sparse on the narrow, impressed, apical rim of each, this slightly paler in color, tergum 4 partially obscured by pale tomentum; apical margin of sternum 5 nearly straight; median lobe of sternum 7 rather narrow and elongate, parallel-sided, apex rounded; gonostylus of armature as shown (fig. 102), retrorse lobe rather short and narrow, very finely and inconspicuously pubescent.

DISTRIBUTION—Minnesota to the New England states, south to Louisiana and Georgia; April to September.

FLOWER RECORDS—Ceanothus, Hydrangea, Rubus and Specularia. The type series was collected in New Jersey on Helianthus, Monarda, Rubus and Solidago



Retrieved from: Gibbs, J. 2010. Revision of the metallic species of Lasioglossum (Dialictus)in Canada (Hymenoptera, Halictidae, Halictini). Zootaxa; 2591, 346-351


Halictus vierecki Crawford, 1904: 97. ♀. Holotype. ♀ USA, New Jersey, Clementon, 6.vi.1830 [ANSP: 10206]. Examined. [specimen missing head]


Taxonomy. Graenicher, 1910: Halictus vierecki ♂, p. 158 (description); Viereck, 1916: Halictus (Chloralictus) vierecki, p. 707; Michener, 1951: Lasioglossum (Chloralictus) vierecki, p. 1118 (catalogue); Mitchell, 1960: Dialictus vierecki ♀♂, p. 429 (redescription); Krombein, 1967: Lasioglossum (Dialictus) vierecki, p. 466 (catalogue); Dialictus vierecki, p. 1973 (catalogue); Moure & Hurd, 1987: Dialictus vierecki, p. 139 (catalogue).

Diagnosis. Females of L. vierecki can be recognised by the diagnostic combination of a pale brownish yellow metasoma, very dense yellowish tomentum on the head, mesosoma (Fig. 233D) and metasomal terga, brownish yellow apical half of the clypeus, and extensively brownish yellow legs.


Males of L. vierecki can be recognised by the diagnostic combination of a small size (2.9–4.9 mm), dense mesoscutal punctures (i
Redescription. FEMALE. Length 4.21–5.06 mm; head length 1.20–1.27 mm; head width 1.12–1.26 mm; forewing length 2.75–3.17 mm.

Colouration. Head and mesosoma golden green. Labrum yellowish brown. Mandible brownish yellow. Clypeus with apical half brownish yellow. Antenna dark brown, F4–F10 with ventral surface brownish yellow. Tegula, wing venation (except vein C reddish brown), and pterostigma pale brownish yellow. Legs primarily brownish yellow, coxae usually brown, trochanters and femora sometimes brown or infused with brown, tibiae infused with brown. Metasoma pale brownish yellow.

Pubescence. Very abundant. Yellowish. Head and mesosoma with dense woolly hairs (1–1.5 OD), longest on genal beard, metanotum and mesopleuron (1.5–2.5 OD). Head and mesosoma covered with tomentum (except postgena and dorsal surface of propodeum). Metanotum, hypoepimeral area and metepisternum with dense tomentum obscuring surface. Propodeum with moderately dense plumose hairs on lateral and posterior surfaces (1.5–2 OD). Metasomal terga with moderately dense, fine setae. T1 acarinarial fan complete dorsally. T1 dorsolaterally, T2 baso- and apicolaterally, and T3–T4 entirely with dense tomentum obscuring surface. T2 apicolateral and T3–T4 apical margins with moderately dense fringes.

Surface sculpture. Face weakly imbricate, punctation moderately strong. Clypeus polished, basal margin weakly imbricate, punctation moderately sparse (i=1–2d). Supraclypeal area with punctation moderately dense (i=1–1.5d). Lower paraocular and antennocular areas with with punctation dense (i≤d). Upper paraocular area, frons and ocellocular area punctate-reticulate. Gena and postgena strigate. Mesoscutum and mesoscutellum punctation dense throughout (i
Structure. Head round to moderately elongate (length/width ratio = 0.98–1.02). Eyes convergent below (UOD/LOD ratio = 1.26–1.29). Clypeus 2/3 below suborbital tangent, apicolateral margins convergent. Antennal sockets close (IAD/OAD < 0.5). Frontal line carinate, ending 3 OD below median ocellus. Gena narrower than eye. Inner metatibial spur pectinate with 2–4 teeth. Metapostnotum delimited laterally by weak carina. Metapostnotum truncate (MMR ratio = 1.44–1.69), posterior margin weakly angled onto posterior surface. Propodeum with oblique carina weak, lateral carina short reaching less than halfway to dorsal margin.

MALE. Similar to female except for the usual secondary sexual characters and as follows. Length 2.87– 4.85 mm; head length 0.94–1.30 mm; head width 0.90–1.24 mm; forewing length 2.14–3.05 mm.

Colouration. Head and mesosoma with less brownish yellow areas. Labrum and mandible yellow. Flagellum ventral surface. Tegula reddish brown. Wing membrane subhyaline, venation and pterostigma brownish yellow. Tibial bases and apices and tarsi yellow to brownish yellow. Metasomal terga golden brown with reddish reflections.

Pubescence. Clypeus, supraclypeal area, and gena with sparse tomentum partially obscuring surface. Lower paraocular area with dense tomentum obscuring surface. Preëpisternum, mesepisternum, metepisternum and lateral surface of propodeum with tomentum partially obscuring surface, surface of metepisternum completely obscured. T1 with subappressed T1 acarinarial fan. T1–T3 with basolateral tomentum. T4–T5 with scattered tomentum across disc partially obscuring surface. S2–S4 apical halves with moderately dense plumose hairs (1.5–2 OD). S5 apical half with longer posteriorly directed hairs (2 OD).

Surface sculpture. Gena and postgena polished, faintly lineolate. Metanotum punctate. Mesepisternum with dense, contiguous punctures. Propodeum dorsolateral slope, lateral and posterior surfaces weakly reticulate-rugulose.

Structure. Head elongate (length/width ratio = 1.03–1.07). Eyes convergent below (UOD/LOD ratio = 1.50–1.57). Clypeus 1/2 below suborbital tangent, apicolateral margins weakly convergent. Antennal sockets moderately distant (IAD/OAD > 0.8). Frontal line carinate, ending 2 OD below median ocellus. IOD subequal to OOD. Pedicel subequal to F1. F2 length 1.6–1.8X F1. F2–F10 (length/width ratio = 1.44–1.63). Metapostnotum truncate (MMR ratio = 1.38–1.57), posterior margin weakly angled onto posterior surface. T2–T3 impressed basally.


Terminalia. S7 with median lobe elongate, narrowly clavate, apex rounded (Fig. 234D). S8 with apicomedial margin strongly convex (Fig. 234D). Genitalia as in Fig. 234D–E. Gonobase with ventral rim narrowly separated. Gonostylus large, covered with elongate setae. Retrorse lobes elongate, attenuated apically, covered with long setae. Penis valve strongly attenuated apically.


Range. Manitoba and Ontario south to Texas and Florida (Fig. 235).


Additional material examined. CANADA: MANITOBA: 1♂ YellowQuill Mxd. Grass Prairie Preserve, nr. Treesbank, N49°41´28´´ W099°34´29´´, 22.viii.2005 (A.M. Patenaude); ONTARIO: 1♀ Manester Tract, St. Williams, N43°43´ W080°26´, 12.viii–1.ix.1992 (P.J. Carson); 1♀ Manester Tract, St. Williams, N43°43´ W080°26´, 18–30.xii.1992 (P.J. Carson); 1♂ Manester Tract, St. Williams, N43°43´ W080°26´, 26.viii– 17.ix.1993 (L. Packer); 5♀♀2♂♂ Manester Tract, St. Williams, N43°43´ W080°26´, 2–8.vi.1994 (P.J. Carson); 1♀1♂ Manester Tract, St. Williams, N43°43´ W080°26´, 22.vii.1995 (L. Packer); 1♀ Manester Tract, St. Williams, N43°43´ W080°26´, 23.vii.1996 (P.J. Carson); 5♀♀ Norfolk, N42°39.088 W080°34.275´, 11.viii.2007 (A. Taylor); 1♀ Norfolk Co., Pterophylla Plant Nursery, N42°38.404´ W080°34.379´, mt, 23.viii–3.xi.2006 (P.J Carson); 2♀♀ Norfolk Co., St. Williams Forestery Stn., N42°41.6´ W080°27.4´, 12.vi.1998 (H. Douglas); 1♀ RM Haldimane-Norfolk, Delhi Prairie NH420441, 28.v.1998 (H. Douglas); 2♀♀ RM Haldimane-Norfolk, Manestar Sav. NT443268, 29.v.1998 (H. Douglas); 1♀ Turkey Point P.P., 11.viii.1984 (L. Packer); [PCYU]; QUEBEC: 2♀♀ Eardley, nr Jct. Hwy 148 & Eardely-Masham Rd., 15– 22.v.1991 (BRC Hym Team); [CNC]; USA: INDIANA: 1♀ Jasper Co., Nipsco, 27.iv.2003 (R.P. Jean); MARYLAND: 11♂♂ Anne Arundel Co., N38.7847 W076.7002, 15.ix.2007 (S.W. Droege); 1♀ Anne Arundel Co., N38.9282 W076.6683, 27.vii.2004 (A. Lohr); 1♀ Pr. George’s Co., N38.9764 W076.7491, 20.viii.2004 (S. Kolski); MASSACHUSETTS: 1♀ Middlesex Co., sandpit, 1.1 mi E of Pepperell, 20.v.2006 (M.F. Veit); 1♀ Middlesex Co., sandpit, 1.1 mi SE of Pepperell, 6.vi.2006 (M.F. Veit); MICHIGAN: 5♂♂ Allegan Co., N42.5538 W086.0437, 28.viii.2003 (S.W. Droege); MINNESOTA: 1♀ Sher Co., Zimmerman, Sherburne NWR, 10.vii.2001 (S. Droege); [PCYU]; NEW JERSEY: 4♀♀ paratypes, topotypical; 1♀ paratype, Riverton, 17.iv.1898; [ANSP]; 1♀ paratype topotypical; [NMNH]; NEW YORK: 1♀ Albany Co., Albany Pinebush, 1.vii.2004 (J.S. Ascher); [AMNH]; 1♀ Albany Co., Colonie, 20.viii.1969 (G. & K. Eickwort); [CUIC]; 1♀5♂♂ Suffolk Co., 6.ix.2005 (S.W. Droege); NORTH CAROLINA: 1♀ Moore Co., N35.2844 W079.314, 19.v.2006 (S.W. Droege); RHODE ISLAND: 1♂ Newport Co., N41.4969 W071.3678, 22.vii.2005 (P. Ostenton); SOUTH CAROLINA: 1♀ Chesterfield Co., N34.5036 W080.24485, 18–19.v.2006 (S.W. Droege); 1♀ Chesterfield Co., N34.5996 W080.21432, 18–19.v.2006 (S.W. Droege); TEXAS: 1♀ Bastrop Co., Stengl Biological Station, 6 mi N of Smithville, 12.v.2000 (J. Abbott & R. Caesar); [PCYU].


Floral records. ASTERACEAE: Aster, Euthamia graminifolia, Helianthus, Rudbeckia hirta, BRASSICACEAE: Lepidium, CAMPANULACEAE: Specularia, CISTACEAE: Helianthemum canadense, FABACEAE: Melilotus, HYDRANGEACEAE: Hydrangea, LAMIACEAE: Monarda punctata, RHAMNACEAE: Ceanothus americanus, ROSACEAE: Rubus flagellaris.


Biology. Danforth 1999: (phylogeny); Danforth & Ji 2001: (phylogeny); Danforth et al. 2003: (phylogeny).


Comments. Common. This species seems to have a preference for sandy soils and can be collected in abundance in certain areas.


Extracted from Jason Gibbs. 2011. Revision of the metallic Lasioglossum (Dialictus) of eastern North America (Hymenoptera: Halictidae: Halictini.) Zootaxa.

Lasioglossum (Dialictus) vierecki (Crawford)

Halictus vierecki Crawford, 1904: 97. ♀.

Holotype. ♀ USA, New Jersey, Clementon, 6.vi.1830 [ANSP: 10206]. Examined. [specimen missing head]

Taxonomy. Graenicher, 1910: Halictus vierecki ♂, p. 158 (description); Viereck, 1916: Halictus (Chloralictus) vierecki, p. 707; Michener, 1951: Lasioglossum (Chloralictus) vierecki, p. 1118 (catalogue); Mitchell, 1960: Dialictus vierecki ♀♂, p. 429 (redescription); Krombein, 1967: Lasioglossum (Dialictus) vierecki, p. 466 (catalogue); Dialictus vierecki, p. 1973 (catalogue); Moure & Hurd, 1987: Dialictus vierecki, p. 139 (catalogue); Gibbs, 2010b: Lasioglossum (Dialictus) vierecki ♀♂, p. 346 (redescription, key).

Diagnosis. Female L. vierecki can be recognised by the following diagnostic combination: metasoma pale, brownish yellow; head, mesosoma (Fig. 29B), and metasomal terga largely obscured by dense, yellowish tomentum; apical half of clypeus brownish yellow; and legs extensively brownish yellow.

Male L. vierecki can be recognised by the following diagnostic combination: size small (2.9–4.9 mm), mesoscutal punctures dense (i Range. Manitoba and Ontario south to Texas and Florida. USA: FL, IN, MA, MD, MI, MN, NC, NE, NJ, NY, RI,SC, TX, WI. CANADA: MB, ON, PQ.

DNA Barcode. Available. Multiple sequences.

Comments. Common.

Lasioglossum vierecki evidently has a preference for nesting in sandy soils. This species is believed to be solitary (Knerer 1969; Packer 1993).


Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Pityopsis falcata @ AMNH_BEE (1)

Solidago @ AMNH_BEE (1); CUIC_ENT (1)
Ericaceae  Calluna vulgaris @ UCMS_ENT (1)
Fabaceae  Dalea candida @ AMNH_BEE (7)
Lamiaceae  Monarda punctata @ AMNH_BEE (6)
Rhamnaceae  Ceanothus americanus @ NDB (3); AMNH_BEE (5)
Rosaceae  Crataegus @ CUIC_ENT (1)

Potentilla pumila @ AMNH_BEE (2)

Rosa @ AMNH_BEE (1)

Rubus @ CUIC_ENT (2)
Rubiaceae  Diodia teres @ AMNH_BEE (1)

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Updated: 2018-11-12 22:41:18 gmt
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