Lasioglossum Curtis 1933
Creators: name: Gibbs, Jason
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Halictidae
Lasioglossum

description: Key to Puerto Rican Lasioglossum
1 Head and mesosoma brilliant metallic green to purple (subgenus Habralictellus) (Figs 24– 25); female T1 without appressed hairs on anterior surface (Fig. 27C); male inner metatibial spur pectinate; male genitalia without retrorse lobe (Fig 4C)...................................................2
– Head and mesosoma dull metallic blue to golden green (subgenus Dialictus); female T1 with appressed hairs on anterior surface (Fig. 2C); male inner metatibial spur ciliate; male genitalia with retrorse lobe (Fig. 4A–B, D–F)...........................................................3
2 Face distinctly longer than broad (length/width ratio =1.04–1.06) (Figs 24A, 25A); three submarginal cells; mesoscutum densely punctate (Fig. 24C) .............. L. eickwortellum (Engel, 2001)
– Face distinctly wider than long (length/width ratio= 0.87–0.88) (Figs 27A, 28A); two submarginal cells; mesoscutum sparsely punctate (Fig. 27C) .............. L. rufopanticis (Engel, 2001)
3 Metasoma metallic; mesepisternum rugose; head relatively long (length/width ratio=0.99–1.01) (Figs 15A, 16A) ............................................................................................. L. ferrerii (Baker, 1906)
– Metasoma brown; mesepisternum punctate or if rugose then head wide (length/width ratio =0.89–0.94) (Figs 18A, 19A)..................................................................................................4
4 Mesepisternum smooth, sparsely punctate; female with dorsally interrupted T1 setal fan; male with long setose tufts on S4–S5 visible dorsally (Fig. 22D), S6 broadly emarginated .................. ................................................................................................................ L. gundlachii (Baker, 1906)
– Mesepisternum punctate to rugose; female with complete T1 setal fan (Fig. 18C); male sterna not as above....................................................................................................................................5
5 Tegula enlarged, forming posterior angle (Figs 9C, 12C); mesoscutum finely punctate............6
– Tegula ovoid (Fig. 2A); mesoscutum relatively coarsely punctate................................................7
6 Female supraclypeal area with punctures distinct; female propodeum with carinulate or rugulose dorsolateral slopes; female metasoma brown with pale apical margins; male mesepisternum interspaces shiny, polished .................................................................................... L. enatum sp. nov.
– Female supraclypeal area with punctures obscure; female propodeum with smooth-imbricate dorsolateral slopes; female metasoma entirely pale orange; male mesepisternum interspaces dull due to microsculpture (Mona Island) .................................................................. L. monense sp. nov.
7 Female mesepisternum rugose, T1–T2 without tomentose patches basolaterally; male mesepisternum reticulate-rugose ...................................................................................... L. genaroi sp. nov.
– Female mesepisternum punctate-reticulate, T1–T2 with tomentose patches basolaterally; male mesepisternum punctate...................................................................................................................8
8 Female mesepisternum interspaces dull due to microsculpture; both sexes with dark tegula ....... .......................................................................................................................... L. dispersum sp. nov.
– Female mesepisternum interspaces polished, shiny; both sexes with pale tegula (Mona Island) .. ................................................................................................................................ L. amona sp. nov.
description: Published as part of Gibbs, Jason, 2018, Bees of the genus Lasioglossum (Hymenoptera: Halictidae) from Greater Puerto Rico, West Indies, pp. 1-57 in European Journal of Taxonomy 400 on pages 50-51, DOI: 10.5852/ejt.2018.400, http://zenodo.org/record/1165021