Bees of the genus Lasioglossum (Hymenoptera: Halictidae) from Greater Puerto Rico, West Indies Author Gibbs, Jason text European Journal of Taxonomy 2018 2018-02-01 400 1 57 journal article 10.5852/ejt.2018.400 12c52018-f40f-455c-9e93-836808d3b087 2118-9773 1165021 EFE95F68-5FA1-4D95-A911-A8BCAFAFCEEF 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.