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Lasioglossum versans (Lovell, 1905) Halictus versans Lovell, 1905; Halictus (Chloralictus) consonus Sandhouse, 1924; Dialictus versans (Lovell, 1905); Halictus (Chloralictus) brevibasis Cockerell, 1938; Dialictus brevibasis (Cockerell, 1938); Lasioglossum (Dialictus) brevibasis (Cockerell, 1938); Evylaeus divergenoides Mitchell, 1960; Lasioglossum divergenoides (Mitchell, 1960)
Life
Insecta
Hymenoptera
Apoidea
Halictidae
Lasioglossum
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See
| IDnature guides | Overview |
| Identification Summary: Large; T1 has no hair fan, only a few upright lightly branched hairs; supraclypeus usually with a slight purplish sheen and a bit more raised than in other species; thorax overall a dark olive color; cheeks rather narrow compared to compound eye; very similar to L. hemimelas currently known only from one specimen in Wisconsin.
FEMALE: Length 6 mm.; head and thorax dark bluish-green with some purplish reflections, abdomen blackish; pubescence very short and thin, entirely yellowish-white; head slightly broader than long; clypeus convex, projecting slightly more than one-half below suborbital line; supraclypeal area considerably broader than long and shorter than clypeus; eyes convergent below; lateral ocelli very slightly nearer eyes than to each other; cheeks subequal to eyes in width; face below ocelli dull, punctures fine and densely crowded, somewhat more distinct but still very close on vertex; cheeks rather dull, quite uniformly and very finely striate; hypostomal carinae parallel, apical angle rather narrowly rounded; lower half of face somewhat more shining but still finely tessellate, punctures rather shallow but distinct, sparse between antennae and eyes, becoming somewhat closer below, those on supraclypeal area fine and very sparse, sparse also on clypeus, rather fine along upper margin, becoming somewhat more coarse and distinct apically; scutum and scutellum rather dull, very finely tessellate, punctures fine and rather close, distinctly separated, however, in center of disc of scutum, quite close but not crowded at extreme sides (much as in weemsi, fig. 99); pleura dull, finely rugoso-striate, becoming somewhat more reticulate anteriorly; dorsal area of propodeum rather short, apical margins smooth and rounded, with a basal fringe of short striae, lateral faces rather dull, finely roughened; wings lightly infuscated, veins and stigma brownish-testaceous; tegulae testaceous-hyaline, with irregular, brownish blotches; legs piceous, only very slightly paler apically; abdominal terga shining, basal tergum with very fine but rather close and distinct punctures across median portion of disc; terga 2 and 3 similarly but somewhat more closely punctate across base and center of disc, apical impressed areas not very broad, entirely impunctate, more or less brownish, terga 2 and 3 with a narrow, inconspicuous, basal fringe of pale tomentum, 3 and 4 not at all obscured by the pubescence. MALE: Length 5 mm.; head and thorax almost black, with faint greenish reflections, abdomen blackish; pubescence short, thin, entirely yellowish-white, more copious on face and on thorax laterally; length and breadth of head subequal; clypeus quite narrow, projecting somewhat over one-half below suborbital line; supraclypeal area about as long as broad and about equal to clypeus; eyes strongly convergent below; lateral ocelli slightly nearer eyes than to each other; antennae much nearer eyes than to each other, basal segment of flagellum about as broad as long, length of the following segments about one and a half times the breadth, brownish beneath, piceous above; mandibles and labrum black; cheeks slightly narrower than eyes; face below ocelli dull, punctures fine and densely crowded, becoming rather irregular and indistinct on vertex; cheeks rather dull, indistinctly punctate above, becoming very finely striate below; hypostomal carinae sub- parallel; lower half of face somewhat shining beneath the pubescence, punctures rather deep and distinct, fine and well separated but hardly sparse, those on supraclypeal area somewhat finer and more widely separated, those on clypeus quite evenly distributed, uniformly fine and well separated; scutum and scutellum rather dull, very finely tessellate, punctures fine, well separated medially, becoming rather close but still distinctly separated at extreme sides; pleura dull, very finely rugose anteriorly, but more tessellate over remainder of disc; dorsal area of propodeum rather finely and irregularly rugoso-striate medially, apical margin smooth and rounded, becoming somewhat more regularly short striate laterally, lateral faces dull, finely roughened; wings subhyaline, veins and stigma brownish-testaceous; tegulae brownish-testaceous, becoming whitish-hyaline anteriorly; legs piceous basally, becoming somewhat lighter brown apically; abdominal terga somewhat shining, very minutely but quite distinctly punctate across discs, apical impressed areas impunctate, punctures close on terga 1-3, quite sparse on 4 and 5, apical rims becoming very narrowly testaceous; pubescence thin and erect, not at all obscuring the surface; apical margin of sternum 5 very slightly and broadly incurved; median lobe of sternum 7 very broad, slightly narrowed and rounded apically; gonostylus of armature as shown (fig. 102), retrorse lobe rather short and narrow, copiously pubescent, the more apical hairs elongate. DISTRIBUTION: Minnesota to Newfoundland, south to Georgia; April to October. FLOWER RECORDS: Aruncus, Barbarea, Epilobium, Hydrangea, Melilotus, Plantago and Solidago.
Retrieved from: Gibbs, J. 2010. Revision of the metallic species of Lasioglossum (Dialictus)in Canada (Hymenoptera, Halictidae, Halictini). Zootaxa; 2591, 337-341
Halictus versans Lovell, 1905a: 39. ♀ (♂ misdet.). Lectotype. ♀ USA, Maine, Waldoboro (J.H. Lovell); [NMNH: 71573] by T.B. Mitchell. Examined. Halictus (Chloralictus) consonus Sandhouse, 1924: 30. ♂. Holotype. ♂ USA, Connecticut, Colebrook, 1-7.ix, (W.M. Wheeler); [NMNH: 26429]. Examined. Halictus (Chloralictus) brevibasis Cockerell, 1938a: 3. ♂. [new synonymy] Holotype. ♂ CANADA, Saskatchewan, Lake Waskesiu, beginning of portage to Heart Lakes, 31.viii.1936 (T. & W. Cockerell); [AMNH]. Examined.
Taxonomy. Lovell, 1908: Halictus versans ♂, p. 38 (description); Michener, 1951: Lasioglossum (Chloralictus) brevibase, p. 1112, L. (C.) consonum, p. 1113, L. (C.) versans, p. 1118 (catalogue); Krombein, 1958: Lasioglossum (Chloralictus) brevibase, p. 230, Mitchell, 1960: Dialictus versans ♀♂, p. 427 (redescription, synonymy); Knerer and Atwood, 1962: D. rohweri ♂, p. 1230 (description); Krombein, 1967: Lasioglossum (Dialictus) versans, p. 466 (catalogue); Hurd, 1979: Dialictus brevibasis, p. 1964, D. versans, p. 1972 (catalogue); Moure & Hurd, 1987: Dialictus versans, p. 137, D. brevibasis, p. 92 (catalogue).
Diagnosis. Females of L. versans and L. ruidosense may be distinguished by their very dull metallic color, metapostnotum with striations on the base extending about halfway to posterior margin (Fig. 228D), and T1 acarinarial fan absent but declivitous surface with erect woolly hairs medially. Female L. versans lack punctures on the apical impressed areas of the metasomal terga and have the posterior margin of the metapostnotum distinctly convex (Fig. 228D). Female L. ruidosense typically have distinct punctation on the apical impressed areas of the metasomal terga and have the posterior margin of the metapostnotum straight.
Males of L. versans and L. ruidosense both have the posterior margin of the metapostnotum smooth (Fig. 229D) and a distinctive dorsal crest on the penis valve (Fig. 229E). The striations of the metapostnotum are nearly complete in L. versans (Fig. 229D) but only reach halfway to the posterior margin in L. ruidosense.
Redescription. FEMALE. Length 4.51-6.10 mm; head length 1.34-1.63 mm; head width 1.37-1.70 mm; forewing length 3.60-5.06 mm.
Colouration. Head and mesosoma very faintly metallic golden green, nearly brown on parts of face, mesepisternum, and propodeum. Clypeus with apical half blackish brown and basal half, and supraclypeal area brownish bronze. Antenna dark brown, flagellum with ventral surface brown to reddish brown. Mesoscutum, mesoscutellum, and metanotum golden green. Tegula dark reddish brown. Wing membrane dusky, venation and pterostigma reddish brown. Legs dark brown, tarsi reddish brown. Metasoma dark brown, terga and sterna with apical margins translucent reddish brown.
Pubescence. Sparse. Dull white. 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 and gena without subappressed tomentum. Propodeum with moderately dense plumose hairs on lateral and posterior surfaces (2-2.5 OD). Metasomal terga with moderately dense, fine setae. T1 acarinarial fan absent, declivitous surface with sparse, erect hairs only (1.5 OD). T2-T3 with tomentum basolaterally. T4 with scattered tomentum, not obscuring surface.
Surface sculpture. Face tessellate-imbricate, punctation moderately fine, shallow. Clypeus polished, basal margin imbricate, punctation sparse (i=1-3.5d). Supraclypeal area with punctation sparse (i=1-3d). Lower paraocular area punctation moderately sparse (i=1-2d). Antennocular area punctation sparse (i=1-3d). Upper paraocular area, frons and ocellocular area punctate-reticulate. Gena lineolate. Postgena imbricate. Mesoscutum tessellate-imbricate, punctation fine, shallow, moderately sparse between parapsidal lines (i=1-2d), dense laterad of parapsidal lines (i≤d), contiguous on anterolateral portions. Mesoscutellum polished, submedial punctation sparse (i=2-4d). Axilla punctate. Metanotum imbricate. Pre-episternum rugulose. Hypoepimeral area weakly rugulose. Mesepisternum with dorsal half rugulose, ventral half weakly ruguloso-imbricate. Metepisternum with dorsal half striate, ventral half imbricate. Metapostnotum longitudinally, incompletely striate, not extending much more than halfway to posterior margin, weakly imbricate posteriorly. Propodeum with dorsolateral slope weakly imbricate, lateral and posterior surfaces weakly polished, imbricate-tessellate. Metasomal terga polished except apical impressed margins weakly coriarious, punctation on basal halves fine and shallow (i=1.5-2d), apical half impunctate (except along premarginal line).
Structure. Head wide to round (length/width ratio = 0.96-1.00). Eyes convergent below (UOD/LOD ratio = 1.18-1.21). Clypeus 2/3 below suborbital tangent, apicolateral margins strongly convergent. Antennal sockets close (IAD/OAD < 0.5). Frontal line carinate, ending 2.5 OD below median ocellus. Gena narrower than eye. Inner metatibial spur pectinate with 3-4 short teeth. Metapostnotum moderately elongate (MMR ratio = 1.25-1.33), posterior margin medial portion distinctly rounded onto posterior surface, projecting posteriorly beyond adjacent dorsal areas. Propodeum with oblique carina weak, virtually absent, 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 5.31-6.04 mm; head length 1.51-1.58 mm; head width 1.49-1.56 mm; forewing length 4.03-4.21 mm.
Coloration. Flagellum with ventral surface reddish brown to rusty red.
Pubescence. Lower paraocular area with sparse tomentum, partially obscuring surface. Supraclypeal area with scattered tomentum, not obscuring surface. T3 basolaterally with very sparse, scattered tomentum. S4-S5 apically with medially directed hair patches (1-2 OD).
Surface sculpture. Metapostnotum nearly completely rugoso-striate, posterior margin smooth. T1 dorsal surface and T2-T3 punctation moderately sparse (i=1.5-2d). T4-T5 punctation sparse (i=3-5d). Apical impressed areas impunctate.
Structure. Head moderately elongate (length/width ratio = 1.00-1.03). Eyes strongly convergent below (UOD/LOD ratio = 1.32-1.60). Clypeus 1/2 below suborbital tangent, apicolateral margins subparallel. Antennal sockets distant (IAD/OAD = 1.0). Frontal line carinate, ending 2 OD below median ocellus. IOD subequal to OOD. Pedicel shorter than F1. F2 length 1.6-1.7 times longer than F1. F2-F10 moderately elongate (length/width ratio = 1.43-1.75). Metapostnotum moderately elongate (MMR ratio = 1.17-1.30), posterior margin rounded onto posterior surface.
Terminalia. S7 with median lobe wide, acuminate, apex rounded (Fig. 229E). S8 with apicomedial margin strongly convex (Fig. 229E).
Genitalia as in Fig. 229E-F. Gonobase with ventral rim very widely separated. Gonostylus moderately large, setae elongate directed medially. Retrorse lobe short, narrow, strongly attenuated apically, apical setae elongate. Penis valve with strong inner crest.
Range. Nova Scotia, Prince Edward Island, west to Alberta, south to North Carolina (Fig. 230).
Additional material examined. CANADA: ALBERTA: 1♀ Fort MacLeod, Oldman Riv., cpgd., 14.vi.1984 (T. Spanton); [PMAE]; MANITOBA: 2♀♀ Macdonald, 21.vi.1968 (T. Harcus); [PCYU]; NEW BRUNSWICK: 1♀ Charters Settlement, N45 50.557 W066 43.682 , 22.vi.2004 (Goulet, Boudreault & Badiss); NOVA SCOTIA: 1♀ Cape Breton Is., River Denys Mtn. Rd., 24.viii.1985 (L. Packer); 1♀ Sydney (CB), N46 08.712 W060 10.962 (Goulet, Boudreault & Badiss); ONTARIO: 1♀ 3 km NE of Almonte, N45.2507 W076.1377, 24.v.2008 (P.M. Catling); 1♀ Haliburton Highlands, Plowright Farm, 29.v.1982 (L. Packer); 8♀♀ Manestar Tract, St. Williams Co., N42 43 W80 26, 1-11.vi.1992 (L. Packer); 1♀ Wentworth Co., 15.vi.2006 (V. MacPhail); PRINCE EDWARD ISLAND: 1♀ Queens Co., 4.vii.2006 (V. MacPhail); 2♀♀ Queens Co., 7.vii.2006 (V. MacPhail); [PCYU]; USA: COLORADO: 1♀ Jefferson Co., N39.7433 W105.2365, 22.viii.2001 (S.W. Droege); MAINE: 1♂ Aroostook Co., Allagash River Waterway, 16.viii.2006 (M.F. Veit); 1♂ Piscataquis Co., N45 29.895 W068 56.846, 14.viii.2006 (M.F. Veit); 3♂♂ Somerset Co., Starks, field nr. Sandy Riv., 13.viii.2006 (M.F. Veit); MARYLAND: 1♀ 2.ix.2003 (S.W. Droege); MASSACHUSETTS: 1♀ Middlesex Co., Harvard: Delany WMA, 28.v.2006 (M.F. Veit); NEW HAMPSHIRE: 1♀ Carroll Co., Fen, 2.4 mi N of Ossipee, 22.vi.2006 (M.F. Veit); [PCYU]; 1♀ Nelsen, vi.1907 [ANSP]; NEW YORK: 1♀ Orange Co., Cornwall, Black Rock Forest, 18- N4584267 E582416, 18.v.2003 (V. Giles & J.G. Rozen); [AMNH]; 1♀ Steuben Co., N42.3682 W077.3326, 30.vi.2004 (S.W. Droege); [PCYU]; 1♀ Tompkins Co., Mervin, Trumansburg, 8.v.2009 (M.G. Park); 1♀ Tompkins Co., Mervin, Trumansburg, 8.v.2009 (B.N. Danforth); 1♀ Wayne Co., Endress, Sodus Pt., 15.v.2009 (M.G. Park); [CUIC]; NORTH CAROLINA: 1♀ Grandfather Mtn., N36.08942 W081.83699, 13.viii.2006 (J. Gibbs); 1♀ Swain Co., N35.5917 W083.0602, 2.iv.2002 (H. W. Ikerd); [PCYU]; 1♀ Swain Co., Great Smoky Mountain N.P., Andrew's Bald, N35.53964 W083.4942, 6.viii.2006 (J. Gibbs); [GSNP]; 1♀ N of Doughton Park, N36.44752 W081.02898, 14.viii.2006 (J. Gibbs); TENNESSEE: 5♀♀ Blount Co., N35.7742 W083.2126, 1-2.iv.2002 (H.W. Ikerd); VERMONT: 1♀ Essex Co., Nulhegan NWR, Brighton, 2.vii.2006 (M.F. Veit); VIRGINIA: 1♀ Fairfax Co., N38.967 W077.1687, 11-12.iv.2005 (B. Steury); [PCYU].
Floral records. ASTERACEAE: Anaphalis, Epilobium, Gnaphalium, Hieracium, Lactuca, Solidago, Taraxacum, BRASSICACEAE: Barbarea, HYDRANGEACEAE: Hydrangea, ERICACEAE: Ledum, FABACEAE: Melilotus, Trifolium, PLANTAGINACEAE: Plantago, RANUNCULACEAE: Ranunculus, ROSACEAE: Amelanchier, Aruncus, Fragaria, Prunus virginiana, Rosa, Rubus, SALICACEAE: Salix.
Biology. Evans & Lin, 1959: (predator); Evans, 1964: (predator).
Comments. Common.
Extracted from Jason Gibbs. 2011. Revision of the metallic Lasioglossum (Dialictus) of eastern North America (Hymenoptera: Halictidae: Halictini.) Zootaxa.
Lasioglossum (Dialictus) versans (Lovell)
Halictus versans Lovell, 1905a: 39. ♀ (♂ misdet.).
Lectotype. ♀ USA, Maine, Waldoboro (J.H. Lovell); [NMNH: 71573]designated herein. Examined.
Halictus (Chloralictus) consonus Sandhouse, 1924: 30. ♂.
Holotype. ♂ USA, Connecticut, Colebrook, 1-7.ix, (W.M. Wheeler); [NMNH: 26429]. Examined.
Halictus (Chloralictus) brevibasis Cockerell, 1938a: 3. ♂.
Holotype. ♂ CANADA, Saskatchewan, Lake Waskesiu, beginning of portage to Heart Lakes, 31.viii.1936 (T. & W. Cockerell); [AMNH]. Examined.
Evylaeus divergenoides Mitchell, 1960: 351. ♂. [new synonymy]
Holotype. ♂USA, Michigan, Mackinac Co., St. Ignace, 23.vii.1921 (T.H. Hubbell); [NMNH: 75204]. Examined
Taxonomy. Lovell, 1908: Halictus versans ♂, p. 38 (description); Michener, 1951: Lasioglossum (Chloralictus) brevibase, p. 1112, L. (C.) consonum, p. 1113, L. (C.) versans, p. 1118 (catalogue); Krombein, 1958: Lasioglossum (Chloralictus) brevibase, p. 230 (catalogue); Mitchell, 1960: Dialictus versans ♀♂, p. 427 (redescription, synonymy); Krombein, 1967: Lasioglossum (Dialictus) versans, p. 466 (catalogue); Hurd, 1979: Dialictus brevibasis, p. 1964, D. versans, p. 1972 (catalogue); Moure & Hurd, 1987: Dialictus versans, p. 137, D. brevibasis, p. 92 (catalogue); Gibbs, 2010b: Lasioglossum(Dialictus) versans ♀♂, p. 337 (redescription, key, synonymy).
Diagnosis. Female L. versans can be recognized by the following diagnostic combination: metapostnotal rugae extending less than 2/3 distance to posterior margin, posterior margin distinctly extending beyond adjacent dorsal surface of propodeum; T1 declivitous surface with sparse erect pubescence but no acarinarial fan (Fig. 9B); and apical impressed areas of metasomal terga impunctate. They are most similar to L. hemimelas, which has metapostnotal rugae reaching or nearly reaching the posterior margin (Fig. 133).
Male L. versans can be recognized by the following diagnostic combination: metapostnotal rugae reaching 2/3 distance to posterior margin, and penis valve with large dorsal crest.
Range. Nova Scotia, Prince Edward Island, west to Alberta, south to North Carolina. USA: CO, CT, IL, MA, MD, ME, MI, MN, NC, NH, NY, PA, SD, TN, VA, VT, WI. CANADA: AB, MB, NB, NS, ON, PE, SK.
DNA Barcode. Available. Multiple sequences.
Comments. Common.
To maintain stable usage of the name, the specimen indicated above is designated as the lectotype. The name-bearing type has lectotype labels from both Mitchell and Covell. No publication by either of these authors could be found that makes a valid lectotype designation.
Identification |
Extracted from: Sandhouse G. A. New North American Species of Bees Belonging to the Genus Halictus (Chloralictus). No. 2532 - Proceedings U.S. National Museum. Vol. 65, Art. 19.
| In this excerpt, Lasioglossum versans is known as the now synonymized Halictus consonus.
Male. —About 6-7 mm. long; head and thorax very dark blue/green; abdomen black; pubescence white. Facial quadrangle some- what longer than broad; inner orbits converging sharply below; antennae black, second and third joints of about equal length; flagellum dark testaceous beneath; front above the antennae very closely punctured, the punctures becoming more open and sparse below; supraclypeal area and clypeus microscopically lineolate, sparsely punctured; clypeus black; mandibles black, slightly reddened apically. Thorax with short, rather dense pubescence; mesothorax microscopically tessellate, quite closely punctured, the punctures more sparse on the disk; scutellum punctured; disk of propodeum long, shining, with plicae on the sides, the median portion with irregularly anastomosing rugae, apex polished; truncation distinct laterally; tegulae dark, impunctate. Abdomen shining, sparsely pubescent, narrowly ovate; segments with transverse lineolations; the only punctures piliferous; apical margins of segments polished. Wings faintly dusky; anterior wing 5 mm. long; stigma and nervures dark; second submarginal cell as broad as high, contracted slightly above, receiving the first recurrent nervure near the apex; third submarginal higher than broad, hardly contracted above, about one and one-half times as long as the second on marginal. Legs black, with dull white pubescence, except on the tarsi where it is yellowish.
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