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Lasioglossum succinipenne (Ellis, 1913)
Halictus (Chloralictus) succinipennis Ellis, 1913; Dialictus succinipennis (Ellis, 1913)

Life   Insecta   Hymenoptera   Apoidea   Halictidae   Lasioglossum
Subgenus: Dialictus

Lasioglossum succinipenne fem lat comp ps
© Copyright Laurence Packer 2014 · 7
Lasioglossum succinipenne fem lat comp ps

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Overview
Retrieved from: Gibbs, J. 2010. Revision of the metallic species of Lasioglossum (Dialictus)in Canada (Hymenoptera, Halictidae, Halictini). Zootaxa; 2591, 317-321


Halictus succinipennis Ellis, 1913: 205. ♀. Holotype. ♀ USA, Colorado, Florissant, 14.vi.1948 on sand (S.A. Rohwer); [NMNH: 28200]. Examined.


Taxonomy. Michener, 1951: Lasioglossum (Chloralictus) succinipenne, p. 1118 (catalogue); Hurd, 1979: Dialictus succinipennis, p. 1972 (catalogue); Dialictus succinipennis, p. 1972 (catalogue); Moure & Hurd, 1987: Dialictus succinipennis, p. 132 (catalogue).


Diagnosis. See the diagnosis for L. pilosum.


Redescription. FEMALE. Length 4.76–6.10 mm; head length 1.39–1.66 mm; head width 1.27–1.56 mm; forewing length 3.23–4.15 mm.


Colouration. Head and mesosoma pale green to golden green. Clypeus with apical half blackish brown and basal half, and supraclypeal area bronze. Antenna dark brown, flagellum with ventral surface reddish brown at apex to orange-yellow. Tegula translucent amber. Wing membrane subhyaline, venation and pterostigma pale brownish yellow. Legs brown, protibial base and medio- and distitarsi reddish brown. Metasomal terga bluish green, sterna brown, apical margins reddish to translucent yellow.


Pubescence. Dull white. Dense. Head and mesosoma with moderately dense woolly hairs (1–1.5 OD), longest on genal beard, metanotum and mesopleuron (2–2.5 OD). Paraocular area and gena with subappressed tomentum sometimes partially obscuring surface. Propodeum with moderately dense plumose hairs on lateral and posterior surfaces (2–2.5 OD). Metasomal terga with dense, fine setae. T1 acarinarial fan complete and dense. T1 dorsolaterally, T2 basally and laterally, and T3–T4 entirely with dense tomentum obscuring surface. T2 apicolateral and T3–T4 apical margins with moderately dense fringes.


Surface sculpture. Face imbricate, punctation fine. Clypeus polished, basal margin weakly imbricate, punctation moderately sparse (i=1–2.5d). Supraclypeal area with punctation moderately sparse (i=1–2d). Lower paraocular area punctation dense (i≤d). Antennocular area punctation moderately dense (i<1.5d). Upper paraocular area and frons punctate-reticulate. Ocellocular area ruguloso-punctate (i≤d). Gena and postgena lineolate. Mesoscutum imbricate, punctation moderately fine, contiguous on medial portion of disc (i

Structure. Head elongate (length/width ratio = 1.05–1.09). Eyes convergent below (UOD/LOD ratio = 1.19–1.23). Clypeus 2/3 below suborbital tangent, apicolateral margins convergent. Antennal sockets close (IAD/OAD < 0.5). Frontal line carinate, ending 2 OD below median ocellus. Gena narrower than eye. Inner metatibial spur pectinate with 3–4 teeth. Metapostnotum moderately elongate (MMR ratio = 1.21–1.25), posterior margin weakly angled onto posterior surface. Propodeum with oblique carina fine, lateral carina short, not reaching dorsal margin.


MALE. Similar to female except for the usual secondary sexual characters and as follows. Length 5.92– 6.15 mm; head length 1.68–1.92 mm; head width 1.39–1.66 mm; forewing length 4.21–4.45 mm.


Colouration. Labrum, mandible and distal margin of clypeus yellow. Flagellum with ventral surface orange. Legs brown, tibial bases and apices and tarsi yellow.


Pubescence. Moderately dense. Face below eye emargination with tomentum obscuring paraocular area, partially obscuring clypeus and supraclypeal area. T1 acarinarial area with sparse fan of appressed hairs. T2– T3 basolaterally and T4 basally with sparse tomentum. S2–S3 entirely and S4 laterally with posteriorly directed hair patches (1–1.5 OD).


Surface sculpture. Propodeum with dorsolateral slope and lateral and posterior surfaces rugulose. Metasomal terga with deep, distinct punctation.


Structure. Head very elongate (length/width ratio = 1.09–1.21). Eyes convergent below (UOD/LOD ratio = 1.38–1.48). Clypeus 3/4 below suborbital tangent, apicolateral margins weakly convergent. Antennal sockets distant (IAD/OAD > 1.0). Frontal line carinate, ending 2 OD below median ocellus. Pedicel subequal to F1. F2 length 1.5X F1. F2–F11 moderately short (length/width ratio = 1.31–1.70). Metapostnotum truncate (MMR ratio = 1.32–1.45), posterior margin weakly angled onto posterior surface. Propodeum with oblique carina virtually absent, lateral carina short, not reaching dorsal margin.


Terminalia. S7 with median lobe weakly clavate, sides weakly concave, apex rounded (Fig. 218E). S8 with apicomedial margin weakly convex (Fig. 218E). Genitalia as in Fig. 218E–F. Gonobase with ventral arms widely separated. Gonostylus small, dorsal setae elongate. Retrorse lobe elongate, weakly attenuated apically.


Range. Alberta and Manitoba south to Colorado, west to Illinois and southern Ontario (Fig. 219).


Additional material examined. CANADA: ALBERTA: 1♀ CFB Suffield, Amiens, N50°37.678΄ W110°18.371΄, 29.vi.1994 (Finnamore & Pollock); 1♀ 1♂ CFB Suffield, Amiens, N50°37.678΄ W110°18.371΄, 28.vii.1994 (Finnamore & Pollock); 2♀♀ CFB Suffield, Amiens, N50°37.678΄ W110°18.371΄, 16.viii.1994 (Finnamore & Pollock); MANITOBA: 1♀ YellowQuill Mxd. Grass Prairie Preserve, near Treesbank, N49°50΄51΄΄ W099°33΄15΄΄, 1.vi.2005 (A.M. Patenaude); 2♀ YellowQuill Mxd. Grass Prairie Preserve, near Treesbank, N49°50΄51΄΄ W099°33΄16΄΄, 1.vi.2005 (A.M. Patenaude); 1♀ YellowQuill Mxd. Grass Prairie Preserve, near Treesbank, N49°50΄51΄΄ W099°33΄16΄΄, 29.viii.2005 (A.M. Patenaude); 1♀ YellowQuill Mxd. Grass Prairie Preserve, near Treesbank, N49°41΄28΄΄ W099°34΄29΄΄, 20.vii.2005 (A.M. Patenaude); 1♀ YellowQuill Mxd. Grass Prairie Preserve, near Treesbank, N49°41΄28΄΄ W099°34΄29΄΄, 22.viii.2005 (A.M. Patenaude); [PCYU]; USA: COLORADO: 1♀ Elbert Co., Running Creek Field Sta., 6950 ft., 2.vii.1982 (F.M. Brown); [CUIC]; 8♀♀ Jefferson Co., N39.731 W105.244, 21.viii.2001 (S.W. Droege); 4♀♀ Larimer Co., N40.6833 N105.3975, 11–12.v.2004 (S.W. Droege); IOWA: 1♀ Dickinson Co., Santee Prairie, 433 m, 14.6 km NW Milford, N43°25΄36΄΄ W095°14΄39΄΄, 17.viii.2004 (K. Kwaiser); NEBRASKA: 4♀♀ Douglas Co., N41.2796 W095.9073, 10.v.2007 (S.W. Droege); WISCONSIN: 1♀ Sauk Co., Spring Green Preserve, N43.19785 W090.05904, 23.vii.2006 (A. Wolf); [PCYU].


Floral records. ANACARDIACEAE: Rhus copallinum, ASTERACEAE: Cirsium canescens, BRASSICACEAE: Physaria, COMMELINACEAE: Tradescantia ohiensis, FABACEAE: Chamaecrista fasciculata, SCROPHULARIACEAE: Scrophularia lanceolata.


Comments. Common. First description of male. Females of this species will be very difficult to distinguish from L. pilosum using morphology. DNA barcodes clearly differentiate the two species.

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

Lasioglossum (Dialictus) succinipenne (Ellis)

Halictus succinipennis Ellis, 1913: 205. ♀.

Holotype. ♀ USA, Colorado, Florissant, 14.vi.1948 on sand (S.A. Rohwer); [NMNH: 28200]. Examined.

Taxonomy. Michener, 1951: Lasioglossum (Chloralictus) succinipenne, p. 1118 (catalogue); Hurd, 1979: Dialictus succinipennis, p. 1972 (catalogue); Dialictus succinipennis, p. 1972 (catalogue); Moure & Hurd, 1987: Dialictus succinipennis, p. 132 (catalogue); Gibbs, 2010b: Lasioglossum (Dialictus) succinipenne ♀♂, p. 317 (redescription, key).

Diagnosis. Female L. succinipenne can be recognised by the following diagnostic combination: head long (length/width ratio = 1.05–1.09), clypeus apicolateral margins weakly convergent, supraclypeal area elongate, mesoscutal punctures dense throughout (i Male L. succinipenne can be recognised by the following combination: head long (length/width ratio = 1.09–1.21),eyes strongly convergent below (UOD/LOD ratio = 1.38–1.48), clypeus yellow distally, mesoscutal punctures dense, mesepisternum with obscure punctures, metapostnotum rugoso-carinulate, metasomal terga metallic with dense and distinct punctures. They are most similar to L. pilosum, which lacks mesepisternal punctures.

Range. Alberta and Manitoba south to Colorado, west to Illinois and southern Ontario. USA: CO, IL, MN, NE, WI. CANADA: AB, MB, ON.

DNA Barcode. Available. Multiple sequences.

Comments. Common in Midwest. Until recently, L. succinipenne was only known from Colorado. It was later identified from Manitoba (Patenaude 2007) and subsequently from numerous Midwestern sites (Wolf & Ascher 2009; Gibbs 2010b).


Identification

Identification Summary: Large; very similar to L. pilosum, L. perpunctatum, L. pruinosum; integument almost always blue; tan hairs on the wing; pits on scutum touching; head long; very hairy abdomen, T2 almost completely covered with appressed hairs in many specimens; check to see if antennae being yellow is significant.


Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Helianthus petiolaris @ AMNH_BEE (1)

Taraxacum officinale @ AMNH_BEE (2)
Boraginaceae  Hydrophyllum fendleri @ CUIC_ENT (1)
Brassicaceae  Erysimum asperum @ AMNH_BEE (6)
Fabaceae  Dalea villosa @ AMNH_BEE (3)
Grossulariaceae  Ribes setosum @ AMNH_BEE (1)
Linaceae  Linum rigidum @ AMNH_BEE (4)
Plantaginaceae  Penstemon grandiflorus @ AMNH_BEE (1)
Scrophulariaceae  Penstemon penlandii @ BBSL (1)

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Updated: 2024-06-17 05:14:27 gmt
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