Lasioglossum (Dialictus)

Gibbs, Jason, 2011, Revision of the metallic Lasioglossum (Dialictus) of eastern North America (Hymenoptera: Halictidae: Halictini), Zootaxa 3073, pp. 1-216 : 26

publication ID

https://doi.org/ 10.5281/zenodo.1049595

publication LSID

lsid:zoobank.org:pub:B5AF6DF4-D3A7-4942-A94F-CC051D8074CF

persistent identifier

https://treatment.plazi.org/id/9A5987DB-A70F-FFAD-0A97-8DEBFA4C01CC

treatment provided by

Plazi

scientific name

Lasioglossum (Dialictus)
status

 

Key to male metallic Lasioglossum (Dialictus) View in CoL of eastern North America

1. Tegula ovoid with at most weak posterior angle, usually obscurely punctate ( Fig. 7 View FIGURE 7 B)................................ 2

- Tegula enlarged with strong posterior angle, distinctly punctate ( Fig. 7 View FIGURE 7 A) (except obscurely punctate in L. surianae ; Fig. 203 View FIGURE 203 )................................................................................................... 92

2. Mesoscutal punctures sparse between parapsidal lines, interspaces greater than puncture diameter (i> d)................ 3

- Mesoscutal punctures dense between parapsidal lines, interspaces no greater than puncture diameter (i <d)............. 84

3. Clypeus with apical margin brown or reddish brown.......................................................... 4

- Clypeus with apical margin yellow....................................................................... 70 4. Pronotal ridge broadly rounded, not forming sharp angle...................................................... 5 - Pronotal ridge carinate or forming sharp angle.............................................................. 63 5. Forewing submarginal cells three (vein 1rs-m present) ( Fig. 5 View FIGURE 5 A)................................................ 6 - Forewing submarginal cells two (vein 1rs-m absent) ( Fig. 5 View FIGURE 5 B)................................................. 62 6. Mesepisternum impunctate.............................................................................. 7 - Mesepisternum distinctly punctate....................................................................... 41 7. Mesoscutal punctures fine to moderately coarse; mesepisternum rugulose or weakly rugose........................... 8 - Mesoscutal punctures very coarse; mesepisternum strongly rugose or reticulate................................... 37 8. T2 apical impressed areas impunctate or at most a few basal punctures ( Fig. 31 View FIGURE 31. T 2 B).................................. 9 - T2 apical impressed areas distinctly punctate ( Fig. 31 View FIGURE 31. T 2 A)...................................................... 31 9. Mesoscutal punctures dense laterad of parapsidal line (i≤d) ( Fig. 12 View FIGURE 12 B)........................................... 10 - Mesoscutal punctures sparse laterad of parapsidal line (i=1–3d) ( Fig. 12 View FIGURE 12 A)....................................... 28 10. Mesoscutum dull due to strong microsculpture including on submedial and posterior portions........................ 11 - Mesoscutum polished due to weak microsculpture at least on submedial and posterior portions....................... 21 11. Head elongate (length/width ratio> 1.06)................................................................. 12 - Head shorter (length/width ratio <1.03)................................................................... 17 12. Head very long (length/width ratio> 1.09); metapostnotal rugae weak, not reaching posterior margin.................. 13

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Halictidae

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