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Lasioglossum tegulare (Robertson, 1890)
Halictus tegularis Robertson, 1890; Chloralictus tegularis (Robertson, 1890); Lasioglossum (Chloralictus) tegulare (Robertson, 1890); Dialictus tegularis (Robertson, 1890)

Life   Insecta   Hymenoptera   Apoidea   Halictidae   Lasioglossum
Subgenus: Dialictus

Lasioglossum tegulare, Mid-Atlantic Phenology
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Lasioglossum tegulare, Mid-Atlantic Phenology

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Lasioglossum tegulare FEM CFP comp
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Lasioglossum tegulare FEM CFP comp
Lasioglossum tegulare male lateral comp ps
© Copyright Laurence Packer 2014 · 7
Lasioglossum tegulare male lateral comp ps

Lasioglossum tegulare, hypostomal cavity, edges straight
© Dimitri Bourdin · 1
Lasioglossum tegulare, hypostomal cavity, edges straight
Lasioglossum tegulare, female, below
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum tegulare, female, below

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

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

Lasioglossum tegulare, female, mesepisternum side
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum tegulare, female, mesepisternum side
Lasioglossum tegulare, female, mesepisternum side close
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum tegulare, female, mesepisternum side close

Lasioglossum tegulare, female, propodeum rear
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum tegulare, female, propodeum rear
Lasioglossum tegulare, female, propodeum top
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum tegulare, female, propodeum top

Lasioglossum tegulare, female, scutellum
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum tegulare, female, scutellum
Lasioglossum tegulare, female, scutum
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum tegulare, female, scutum
Overview

Identification Summary: Small to moderate sized; tegula large, pitted with a projection at its posterior end that swings inward unlike the normal overall oval shape of other species; currently indistinguishable from L. ellisiae and L. lepidii.


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 5 mm.; head and thorax olive green, abdomen reddish-piceous; pubescence entirely pale, rather short and thin, apical abdominal segments not covered with tomentum; head slightly broader than long; clypeus convex, projecting slightly below suborbital line; eyes slightly convergent below; lateral ocelli slightly nearer eyes than to each other; cheeks subequal to eyes in width; face below ocelli rather dull, punctures fine and closely crowded, but deep and distinct, these continuing on vertex, but cheeks microscopically striate, somewhat shining, hypostomal carinae parallel; lower half of face rather dull, tessellate, punctures deep and distinct, well separated but not sparse, those on supraclypeal area rather fine and close, clypeus with fine, close punctures above, these becoming coarse and sparse toward apical margin; scuturn and scutellum (fig. 99) dull, densely tessellate, punctures rather fine and close but distinctly separated except at extreme sides; pleura dull, densely tessellate between the shallow and rather close punctures; dorsal area of propodeum finely and completely striate, lateral faces somewhat more shining, but finely roughened; wings subhyaline, veins and stigma brownish-testaceous; tegulae piceous, enlarged, produced posteriorly, quite closely and deeply punctate; legs brownish, becoming somewhat paler apically; abdominal terga somewhat shining, punctures exceedingly minute and obscure, quite close in general, apical margins of the terga rather broadly impressed, marginal rims becoming hyaline.

MALE—Length 4.5 mm.; olive green, base of abdomen more piceous; pubescence short and thin, entirely pale; length and breadth of head subequal; clypeus somewhat protuberant, quite narrow, projecting about one-half below suborbital line; eyes strongly convergent below; lateral ocelli somewhat nearer eyes than to each other; basal segment of flagellum about as broad as long, slightly longer than pedicel, length of 2nd and following segments about one and a half times the breadth, brownish-testaceous; cheeks subequal to eyes in width; face below ocelli somewhat shining between the close deep and distinct but fine punctures, these becoming somewhat more obscure on vertex and very obscure on the striate surface of cheeks; lower half of face shining between the more distinctly separated but fine and rather close punctures; scutum and scutellum shining between the deep and distinct punctures, those on scutum rather coarse, well separated, but not sparse, those on scutellum somewhat finer and closer; pleura shining between the deep, distinct and rather coarse punctures; dorsal area of propodeum rather short striate, posterior margin somewhat rounded and smooth, lateral faces shining between the fine but distinct and rather close punctures; wings hyaline, veins and stigma brownish; tegulae piceous, produced posteriorly, closely, finely, but deeply and distinctly punctate; legs piceous basally, becoming pale brownish apically; abdominal terga shining, finely and quite closely punctate, apical margins quite broadly impressed and impunctate; sternum 5 straight apically; median lobe of sternum 7 parallel-sided, rather narrow and elongate, rounded apically (as in raleighensis, fig. 101); gonostylus of armature as shown (fig. 102), retrorse lobe attenuated apically, covered with fine, short setae.

DISTRIBUTION — Minnesota to New Hampshire, south to Texas and Florida; throughout the year in Florida; elsewhere March or April to October. FLOWER RECORDS—Anethum, Apocynum, Asclepias, Barbarea, Batodendron, Berteroa, Bidens, Brassica, Ceanothus, Crataegus, Daucus, Erigeron, Fagopyrum, Flaveria, Fragaria, Gypsophila, Heliotropium, Hydrocotyle, Ilex, Leucanthemum, Medicago, Melilotus, Phyla, Polypteris, Pontederia, Prunus, Pyracantha, Rhus, Robinia, Rubus, Salix, Solidago, Stokesia, Toxicodendron and Viola. Robertson (1929) records tegularis on the following additional genera: Alisma, Amorpha, Arabis, Aruncus, Aster, Capsella, Cassia, Commandra, Coreopsis, Cornus, Crataegus, Ellisia, Euphorbia, Geranium, Geum, Gonolobus, Hedoma, Hyponis, Lepidium, Lippia, Mallago, Oxalis, Polytaenia, Ptelea, Pycnanthemum, Radicula, Sanicula, Scutellaria, Sisymbrium, Smilax, Symphoricarpus, Taenidia, Thaspium, Tradescantia, Verbena, Viburnum and Zizia. Graenicher (1927) records this species, as H. lepidii, on the following additional genera: Alternanthera, Chrysopsis, Galactia, Sida and Warea.


Retrieved from: Gibbs, J. 2010. Revision of the metallic species of Lasioglossum (Dialictus)in Canada (Hymenoptera, Halictidae, Halictini). Zootaxa; 2591, 323-328


Halictus tegularis Robertson, 1890: 318. ♀ ♂. Holotype. ♀ USA, Connecticut, N. Haven, 6 June 1878, (W.H. Patton); [ANSP: 4254]. Examined.


Taxonomy. Robertson, 1902: Chloralictus tegularis, p. 248 (key); Viereck, 1916: Halictus (Chloralictus) tegularis, p. 706 (key); Michener, 1951: Lasioglossum (Chloralictus) tegulare, p. 1118 (catalogue) Mitchell, 1960: Dialictus tegularis ♀♂, p. 423 (redescription, synonymy); Krombein, 1967: Lasioglossum (Dialictus) tegulare, p. 466 (catalogue); Dialictus tegularis, p. 1972 (catalogue); Moure & Hurd, 1987: Dialictus tegularis, p. 134 (catalogue); Gibbs, 2009: Lasioglossum (Dialictus) tegulare ♂♀, p. 13 (redescription, tax. status).


Diagnosis. Both sexes of L. tegulare, L. ellisiae and L. imbrex may be easily distinguished from other Canadian Dialictus by their large, distinctly punctate tegula with an acute posterior angle (Fig. 7A). Female L. tegulare have the mesepisternum dull due to strong microsculpture between punctures (Figs. 42B, 221D). Females of L. ellisiae and L. imbrex both have the mesepisternum smooth between punctures, with at most weak lines on the interspaces (Fig. 42A). Female L. imbrex have denser tomentum on basal portions of T2–T3 and across disc of T4 (Fig. 123D) than does L. tegulare (Fig. 221B).


Males of L. tegulare have dense punctation on the metasomal terga with only the apical impressed area impunctate (Figs. 49A, 222D). Male L. ellisiae have dense punctation on the apical half of the metasomal terga with sparse punctation basal to the premarginal line (Fig. 49B). Male L. imbrex are unknown but should be readily identifiable by geography alone.


Redescription. FEMALE. Length 3.97–4.94 mm; head length 1.15–1.27 mm; head width 1.19–1.44 mm; forewing length. 2.87–3.45 mm.


Colouration. Head and mesosoma pale green with golden reflections. Labrum sometimes reddish. Clypeus with apical half blackish brown and basal half, and supraclypeal area golden. Antenna brown, flagellum with ventral surface reddish brown, F8–F10 with ventral surface brownish yellow. Tegula blackish brown with central area reddish. Legs brown, medio- and distitarsi reddish brown to brownish yellow. Wing venation brownish to yellowish brown. Propodeum with blue reflections. Metasoma blackish brown, terga and sterna with apical margins reddish brown to translucent brownish yellow.


Pubescence. Dull white. Moderately dense. Head and mesosoma with moderately dense woolly hairs (1– 1.5 OD), longest on genal beard, metanotum and mesopleuron (2–2.5 OD). Lower paraocular area with sparse tomentum. Propodeum with moderately dense plumose hairs on lateral and posterior surfaces (1.5–2 OD). Metasomal terga with sparse, fine setae. T1 acarinarial fan complete. T2–T3 basolaterally and T4 entirely with sparse tomentum. T2 apicolateral and T3–T4 apical margins with very sparse fringes, virtually absent.


Surface sculpture. Face imbricate, punctation moderately strong. Clypeus polished, basal margin imbricate, punctation moderately sparse (i=1–3d). Supraclypeal area with punctation moderately sparse (i=1–2d). Lower paraocular area punctation dense (i

Structure. Head moderately wide (length/width ratio = 0.94–0.97). Eyes convergent below (UOD/LOD ratio = 1.25–1.33). Clypeus ½–2/3 below suborbital tangent, apicolateral margins strongly convergent. Antennal sockets close (IAD/OAD < 0.5). Frontal line carinate, ending 2 OD below median ocellus. Gena narrower than eye. Tegula elongate, angulate posteromedially. Inner metatibial spur pectinate with 3 teeth. Metapostnotum truncate (MMR ratio = 1.22–1.44), posterior margin weakly angled onto posterior surface. Propodeum with oblique carina weak, lateral carina weak, not reaching dorsal margin.


MALE. Similar to female except for the usual secondary sexual characters and as follows. Length. 3.36– 4.70 mm; head length 1.13–1.27 mm; head width 1.15–1.30 mm; forewing length. 2.68–3.17 mm.


Colouration. Flagellum ventral surface reddish brown, F1–F3 with ventral surface brownish yellow.


Pubescence. Face below eye emargination with sparse tomentum. Lower paraocular area with moderately dense tomentum, partially obscuring surface. S2–S4 apical halves with moderately dense erect plumose hairs (1–1.5 OD). S4 apicolateral portion with subappressed hairs.


Surface sculpture. Clypeal punctation moderately dense (i=1–1.5d). Metasomal terga polished, very weakly coriarious, punctation deep and distinct (i=1–1.5d), apical impressed areas impunctate.


Structure. Head moderately wide (length/width ratio = 0.98). Eyes convergent below (UOD/LOD ratio = 1.55–1.63). Clypeus ½ below suborbital tangent, apicolateral margins weakly convergent. Antennal sockets distant (IAD/OAD > 1.1). Pedicel subequal to F1. F2 length 1.6–1.7X F1. F2–F10 moderately elongate (length/width ratio = 1.50–1.75). Metapostnotum truncate (MMR ratio = 1.27–1.44), posterior margin weakly angled onto posterior surface.


Terminalia. S7 with median lobe clavate, apex rounded. S8 with apicomedial margin weakly convex. Genitalia as in Fig. 222E–F. Gonobase with ventral rim narrowly separated. Gonostylus small dorsal setae elongate. Retrorse lobes elongate, attenuated apically.


Range. Ontario south to South Carolina, Tennessee (Fig. 219).


Additional material examined. CANADA: ONTARIO, 1♂, Norfolk, N42.6497 W80.5729, 11.viii.2007 (A. Taylor); 5 ♀ Norfolk, N42.6493 W80.5687, 11.vi.2007; 1♂, Caledon, Gschwendtner property, N43.8148 W79.9768, 18.ix.2003 (J. Grixti); [PCYU]; USA: DISTRICT OF COLUMBIA: 2♂♂ paratypes; [ANSP]; 2 ♀Washington, N38.931 W77.116, 24.vi.2006 (Pascarella); 1♂, Washington, N77.034 W38.885, 18–19.x.2004 (E. Keto); 1♂, Washington, N38.9463 W77.0344, 16.vi.2004 (S.W. Droege); 1♀ Washington, N38.8871 W77.0128, 1.ix.2005 (NB Staff); 1♀ Washington, Mall, N38.8912 W777.0242, 27.vii.1879; 16.viii.2006 (S.W. Droege); 1♂, Washington, N38.891 W77.0308, 15–16.vii.2004 (C. Osborn); 1♂, Washington, N38.879 W77.0333, 13–14.vii.2004 (C. Osborn); 1♂, Washington, N77.0261 W38.8694, 4–5.x.2004 (E. Keto); [PCYU]; GEORGIA: 2 ♀ Athens, 15.vi.1909 (J.C. Bradley); 1♂, Cobb Co., Lost Mount, 13.vii.1913; 1♂, Rabun Bald, 4000–4800ft, 21.viii.1913; [PCYU]; KENTUCKY: 15 ♀ Wayne Co., N39.924 W84.8715, 23– 24.vii.2007 (S.W. Droege); 1♀ Laurel Co., N37.1528 W84.1167, 27.vii.2007 (S.W. Droege); [PCYU]; MARYLAND: Camp Springs, 11.v.10 (J.C. Crawford); 1♀ Cabin John, 16.iv.1915 (J.C. Crawford); 1♀ Pr. George’s Co., N38.9764 W76.7491 20.vii.2002 (S. Kolski); 1♀ Pr. George’s Co., N38.9591 W76.734 20.viii.2004 (S Kolski); 1♀ Pr. George’s Co., N39.002 W76.7505 20.viii.2004 (S. Kolski); 3 ♀ Pr. George’s Co., N38.9977 W76.7573 30.ix–1x,2004 (S. Kolski); 4 ♀ Anne Arundel Co., N38.7839 W76.7014, B Hollister; [KUNHM]; 1♀ Calvert Co., N38.536 W76.518, 7.vii.2006 (M. Gates); 1♀ Talbot Co., N38.8 W76.283, 7– 8.v.2005 (W. Steiner); 1♀ Caroline Co., N38.9194 W75.8279, 13.v.2007 (M. Price); 1♂, Wicomico Co., N38.2909 W75.5364, 12.vi.2004 (S.W. Droege); 1♂, Anne Arundel Co., N38.7839 W76.7014, 21.ix.2004 (B. Hollister); 1♂, Pr. George’s Co., N38.9893 W76.7322, 20.vii.2004 (S. Kolski); 1♂ & 1♀ Pr. George’s Co., N38.9123 W76.755, 12–13.viii.2003 (Haramis & Archer); 2 ♀ Pr. George’s Co., N38.9123 W76.755, 13– 14.viii.2003 (Haramis & Archer); 1♀ Pr. George’s Co., N38.9123 W76.755, 28–29.viii.2003 (Haramis & Archer); 1♀ Pr. George’s Co., N38.9123 W76.755, 26–27.viii.2003 (Haramis & Archer); 2 ♀ Pr. George’s Co., N38.9123 W76.755, 14–15.viii.2003 (Haramis & Archer); 1♀ Pr. George’s Co., N38.9959 W76.7886, 2.ix.2004, S Na; 1♀ Caroline Co., N39.1098 W75.7724, 7.iv.2005 (S.W. Droege); [PCYU]; 6 ♀ Prince Georges Co., Temple Hills, 22.viii.1976 (G.C. Eickwort); [CUIC]; MASSACHUSETTS: 1♀ Middlesex Co., Harvard:Oxbow NWR, Wallace Rd., 28.v.2006 (M.F. Veit); 1♀ Middlesex Co., Dunstable, sandpit 0.1mi E of airport, 29.iv.2006 (M.F. Veit); [PCYU]; MISSOURI: 1♀ Green Co., Rocky Barrens Cons. Area, NE Willard 1.5 mis., 14.iv.2006 (Arduser); NEBRASKA: 1♀ Douglas Co., N41.2796 W095.9073, 10.v.2007 (S.W. Droege); NEW YORK: 1♀ Suffolk Co., 6.ix.2005 (S.W. Droege)1♀ Suffolk Co., N41.13403 W72.3247, 8.ix.2005 (S.W. Droege); 1♀ Suffolk Co., 8.ix.2005 (S.W. Droege); 1♀ Suffolk Co., N41.05132 W71.9519, 7.ix.2005 (S.W. Droege); 2 ♀ Suffolk Co., 6.ix.2005 (S.W. Droege); [PCYU]; 3 ♂, Tompkins Co., Buttermilk Falls S.P., Ithaca, 7.x.1967 (G. & K. Eickwort); 1♀ Tompkins Co., 6-mile Creek, SE Ithaca Reservoir, 25.v.1968 (G. & K. Eickwort); 1♂, Tompkins Co., Michigan Hollow, gravel pit, 5mi S of Danby, 7.ix.1968 (G. & K. Eickwort); 1♀ Albany Co., Partridge Run St. Game Area, 5mi N Rensselaerville, 6.vi.1970 (G. & K. Eickwort); 1♀ Albany Co., Rensselaerville, 28.vii.1970 (G.& K. Eickwort); 1♀ Albany Co., Rensselaerville, Huyck Reserve, 12.vi.1969 (G. & K. Eickwort); 1♂, Albany Co., Colonie, 20.viii.1969 (G. & K. Eickwort); 1♀ Cayuga Co., Fair Haven Beach S.P., 8.vi.1968 (G. & K. Eickwort); 1♀ Ludlowville, 6.vi.1968 (L.L. Pechuman); 1♂ & 3 ♀ Nassau Co., Jones Beach S.P., 31.vii.1974 (G.C. Eickwort); 1♂ & 1♀ Nassau Co., Jones Beach S.P., 26.vi.1976 (G. Eickwort); 7 ♂, Nassau Co., Hempstead Lake S.P., 4–6.vii.1974 (G.C. Eickwort); 2 ♀ Nassau Co., Kennedy Wildlife Sanct., Tobay Beach, 18.vi.1989 (G.C. Eickwort); 1♀ Nassau Co., Tobay Beach, 24–26.vi.1976 (G.C. Eickwort); 1♂, Nassau Co., Floral Pk., 4.vii.1982 (D. Yanega); 1♀ Montauk, 4.v.1947 (R. Latham); 1♀ 3-mile Har., 6.vi.1941 (R. Latham); 1♂, Van Cortland Pk., 20.vii.1913; [CUIC]; 1♂, Queens Co., Floral Pk., Long I., 6.viii.1983 (D. Yanega); [KUNHM]; NEW JERSEY: 1♀ Atlantic Co., 39 35’N 74 46’W, 21.vii.2003 (B. Ahlstrom); [PCYU]; 1♂, Weymouth, 26.vii.1923; 1♀ San Isle Junction, “May,25”; [CUIC]; 1♂, Ramsey, 10.vii.1913; [KUNHM]; NORTH CAROLINA: 1♀ Union Co., N34.984 W80.449, ix–x.2003 (R. Jackowski); [PCYU]; 1♀ Great Smoky Mountains National Park, Cataloochee overlook, N35.54 W83.06, 6.viii.2006 (J. Gibbs); [GSNP]; 1♂, Highlands, 22.vii.1958 (T.B. Mitchell); 1♀ Pettigrew S.P., 27.v.1959 (T.B. Mitchell); [PCYU]; 6 ♂ & 1♀ Beutenmuller, Black Mts., viii.1912; RHODE ISLAND: 2 ♀ Newport Co., N41.4969 W71.3678, 22.vii.2005 (P. Ostenton); [PCYU]; SOUTH CAROLINA: 1♂ & 1♀ Okanee Co., near Walhalla, N34.813 W83.137, 9.viii.2006 (J. Gibbs); 1♀ Chesterfield Co., N34.637N80.176, 18–19.v.2006 (S.W. Droege); 5 ♀ Chesterfield Co., N34.55 W80.26, 2007 (L. Housh); [PCYU]; TENNESSEE: 1♀ Rutherford Co., N35.8275 W86.2912, 20.vii.2007 (D. Green); 1♀ Rutherford Co., N35.8197 W86.3159, 20.vii.2007 (D. Green); [PCYU]; VERMONT: Windham Co., N42.4969 W71.3678, 22.vii.2005 (P. Ostenton); [PCYU]; VIRGINIA: 3 ♀ Assateague I., N37.9625 W75.3108, 30.vi–1.vii.2006 (S.W. Droege)1♀ Assateague I., N37.9576 W75.3147, 30.vi–1.vii.2006 (S.W. Droege); 1♀ Assateague I., N37.9377 W75.3177, 30.vi–1.vii.2006 (S.W. Droege); 1♀ Assateague I., N37.9486 W75.3136, 2.vii.2006 (S.W. Droege); 1♀ Assateague I., N37.9086 W75.3564, 1–2.vii.2006 (S.W. Droege); 1♀ Virginia Beach, N36.917 W75.3564, 16–17.vi.2007 (W. Steiner); 1♀ Fluvanna Co., N37.753 W78.162, 2.x.2004 (S.W. Droege); 1♀ Accomack Co., N37.938 W75.318, 30.vi–1.vii.2006 (S.W. Droege); 1♀ Hwy 340, 10km N of Shenandoah, N38.564 W78.606, 7.vi.2005 (A. Zayed); [PCYU]; 2 ♀ Clarke Co., Blandy Exp. Farm E Boyce, 12–14.vi.1986 (J.K. Liebherr); [CUIC]; WEST VIRGINIA: 2 ♀ Hampshire Co., N39.346 W78.403, 29– 30.v.2004 (S.W. Droege); 1♀ Hampshire Co., N39.351 W78.509, 29–30.v.2004 (S.W. Droege); 1♂, Hampshire Co., N39.2334 W78.6843, 11.vii.2002 (S.W. Droege); 1♂, Hampshire Co., N39.31 W78.54, 11.vii.2002 (S.W. Droege); 1♂, Hampshire Co., N39.3012 W78.4358, 11.vii.2002 (S.W. Droege); 1♂, Hampshire Co., N39.4401 W78.4872, 7.vii.2002 (S.W. Droege); 1♂, Hampshire Co., N39.2886 W78.4819, 11.vii.2002 (S.W. Droege); [PCYU]; 1♀ Hampshire Co., N39.415 W78.5012, 7.vii.2002 (S.W. Droege); 1♀ Hampshire Co., N39.333 W78.4585, 6.vii.2002 (S.W. Droege); [KUNHM].


Floral records. ALISMATACEAE: Alisma plantago-aquatica, AMARANTHACEAE: Alternanthera flavescens, ANACARDIACEAE: Rhus glabra, Toxicodendron, APIACEAE: Anethum, Anthemis cotula, Daucus carota, Polytaenia nuttallii, Sanicula marilandica, Taenidia integerrima, Thaspium trifoliatum, Zizia aurea, APOCYNACEAE: Apocynum androsaemifolium, ASTERACEAE: Achillea millefolium, Arnoglossum reniforme, Bidens, Conyza canadensis, Erigeron annuus, E. philadelphicus, E. strigosus, Flaveria, Leucanthemum vulgare, Palafoxia, Pityopsis graminifolia tracyi, Rudbeckia hirta, Solidago missouriensis, Stokesia, Symphyotrichum laeve, S. lateriflorum, S. pilosum, ASCLEPIADACEAE: Asclepias sullivantii, Cynanchum laeve, BERBERIDACEAE: Jeffersonia diphylla, BRASSICACEAE: Arabis shortii, Barbarea, Berteroa, Brassica, Capsella bursa-pastoris, Descurainia pinnata, Lepidium virginicum, Rorippa palustris, Warea carteri, CAPPARACEAE: Cleome serrulata, CAPRIFOLIACEAE: Symphoricarpos orbiculatus, Viburnum prunifolium, CARYOPHYLLACEAE: Gypsophila, COMMELINACEAE: Tradescantia virginiana, CORNACEAE: Cornus amomum, C. racemosa, ERICACEAE: Vaccinium arboreum, EUPHORBIACEAE: Chamaesyce nutans, FABACEAE: Amorpha canescens, A. fruticosa, Cassia chamaecrista, Galactia pinetorum, Medicago, Melilotus, Robinia, GERANIACEAE: Geranium carolinianum, HYDROPHYLLACEAE: Ellisia nyctelea, LAMIACEAE: Pycnanthemum flexuosum, Scutellaria parvula, LILIACEAE: Allium, “Smilacina”, MALVACEAE: Sida acuta, MOLLUGINACEAE: Mollugo verticillata, OXALIDACEAE: Oxalis corniculata, POLYGONACEAE: Fagopyrum, PONTEDERIACEAE: Pontederia, RHAMNACEAE: Ceanothus, ROSACEAE: Aruncus dioicus, Crataegus crus-galli, Fragaria virginiana grayana, Geum canadense, G. vernum, Prunus serotina, Pyracantha, Rubus, RUTACEAE: Ptelea trifoliata, SALICACEAE: Salix amygdaloides, S. cordata, S. longifolia, S. nigra, SANTALACEAE: Comandra umbellata, Coreopsis palmata, C. tripteris, SMILACACEAE: Smilax tamnoides, VERBENACEAE: Phyla lanceolata, Verbena bracteata, VIOLACEAE: Viola.


Biology. Evans, 1964: (predator); Danforth 1999: (phylogeny); Danforth & Ji 2001: (phylogeny); Danforth et al. 2003: (phylogeny).


Comments. Common. Numerous other species in the L. tegulare group are known in the New World from the United States to as far south as Chile and occurring on several nearby islands (for additional discussion, see Gibbs 2009a).


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

Lasioglossum (Dialictus) tegulare (Robertson)

Halictus tegularis Robertson, 1890: 318. ♀ ♂.

Holotype. ♀ USA, Connecticut, N. Haven, 6 June 1878, (W.H. Patton); [ANSP: 4254] designated herein. Examined.

Taxonomy. Robertson, 1902b: Chloralictus tegularis, p. 248 (key); Viereck, 1916: Halictus (Chloralictus) tegularis, p. 706 (key); Michener, 1951: Lasioglossum (Chloralictus) tegulare, p. 1118 (catalogue) Mitchell, 1960: Dialictus tegularis ♀♂, p. 423 (redescription, synonymy); Krombein, 1967: Lasioglossum (Dialictus) tegulare, p. 466 (catalogue); Dialictus tegularis, p. 1972 (catalogue); Moure & Hurd, 1987: Dialictus tegularis, p. 134 (catalogue); Gibbs, 2009a: Lasioglossum (Dialictus) tegulare ♀♂, p. 13 (redescription, tax. status); Gibbs, 2010b: Lasioglossum (Dialictus) tegulare ♀♂, p. 323(redescription, key).

Diagnosis. Female L. tegulare can be recognised by the following diagnostic combination: tegula enlarged, strongly punctate with distinct posterior angle (Fig. 7A); head relatively wide (length/width ratio = 0.94–0.97); head and mesosoma greenish; mesepisternum with strong microsculpture between punctures; and inner metatibial spur with 3–4 branches (excluding apex of rachis).

Male L. tegulare also have an enlarged tegula and can be distinguished from similar species by dense punctures on T2 immediately basal of premarginal line (Fig. 38A) and sparse facial tomentum, except on lower paraocular area. They are most similar to L. ellisiae and L. puteulanum. Male L. ellisiae have sparse punctures on T2 immediately basal of premarginal line (Fig. 38B). Male L. puteulanum have more tomentum distributed outside of lower paraocular area.

Range. Ontario south to Georgia. USA: CT, DC, GA, KY, MA, MD, MO, NC, NE, NJ, NY, RI, SC, TN, VA, VT, WV. CANADA: ON.

DNA Barcode. Available. Multiple sequences.

Comments. Common.

The taxonomic limits of this species were recently revised (Gibbs 2009a). The specimen indicated above is herein designated as the lectotype to ensure stability of the name.


Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
A. newhart  623 @ JRYB__SHEN (17)
Adoxaceae  Viburnum dentatum @ UCMS_ENT (1)

Viburnum @ AMNH_BEE (3)
Apiaceae  Daucus carota @ B_AW (2)
Apocynaceae  Asclepias syriaca @ UCMS_ENT (2)
Asteraceae  Anthemis cotula @ UCMS_ENT (2)

Bidens pilosa @ BBSL (1)

Erigeron sp @ UCMS_ENT (3)

Helenium flexuosum @ BBSL (1)

Solidago rugosa @ AMNH_BEE (1); UCMS_ENT (1)

Solidago tenuifolia @ UCMS_ENT (1)
Brassicaceae  Lesquerella filiformis @ AMNH_BEE (12)

Raphanus raphanistrum @ UCMS_ENT (1)
C. smith  672 @ JRYB__SHEN (1)
Ericaceae  Calluna vulgaris @ UCMS_ENT (1)

Lyonia @ AMNH_BEE (1)

Vaccinium corymbosum @ AMNH_BEE (29)
Fabaceae  Baptisia tinctoria @ AMNH_BEE (2)

Baptisia @ AMNH_BEE (2)

Tephrosia virginiana @ AMNH_BEE (1)
G. cangialosi  915 @ JRYB__SHEN (2)
J. rykken  1029 @ JRYB__SHEN (4)

1039 @ JRYB__SHEN (1)

832 @ JRYB__SHEN (1)

913 @ JRYB__SHEN (3)

972 @ JRYB__SHEN (1)
K. kingsley  1052 @ JRYB__SHEN (4)

1057 @ JRYB__SHEN (3)

1059 @ JRYB__SHEN (10)

1063 @ JRYB__SHEN (17)

1064 @ JRYB__SHEN (1)

1068 @ JRYB__SHEN (2)
Lamiaceae  Monarda @ AMNH_BEE (1)
Ml. epps  808 @ JRYB__SHEN (1)
N. rice  1031 @ JRYB__SHEN (8)
Primulaceae  Lysimachia ciliata @ AMNH_BEE (1)
R. minor  808 @ JRYB__SHEN (2)
Ranunculaceae  Ranunculus bulbosus @ BBSL (1)
Rhamnaceae  Ceanothus americanus @ NDB (1)
Rosaceae  Prunus maritima @ AMNH_BEE (3)

Rosa rugosa @ UCMS_ENT (1)

Rubus sp @ UCMS_ENT (1)
_  Bee @ LAR (19)

Withheld @ BBSL__YOSE (1); BBSL (106); BBSL__ZION (21); BBSL__PINN (297)

apple @ NLA (9)

blueberry @ NLA (17)

caneberry @ NLA (54)

cucurbit @ NLA (238)

strawberry @ NLA (8)

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Updated: 2024-03-19 10:25:04 gmt
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