New species and records of the genus Lispinus with a key to the species from Peru (Coleoptera: Staphylinidae: Osoriinae) Author Irmler, Ulrich text Zootaxa 2009 2263 42 58 journal article 10.5281/zenodo.190786 744ed910-6807-473c-97da-b8af5a104736 1175-5326 190786 Key to Lispinus species of Peru 1. Sides of pronotum dilating posteriad or parallel, without distinct emargination anteriad posterior angle ( Figs. 10 A, 10B) .............................................................................................................................................................................. 2 - Sides of pronotum narrowing to posterior angles or with distinct emargination anteriad posterior angle ( Figs. 10 C– 10F) ............................................................................................................................................................................. 5 2. Sides of pronotum dilating posteriad, pronotum nearly twice as wide as long ( Fig. 10 A); 3rd antennomere nearly 3 times as long as 2nd ............................................................................................................. L. laticollis Erichson, 1840 - Sides of pronotum in front of posterior angles parallel, pronotum slightly wider than long ( Fig. 10 B); 3rd antennom- ere not more than 2 times as long as 2nd........................................................................................................................ 3 3. Each elytron with lateral furrow on disc ( Figs. 5–7 ); pronotum slightly narrowed at middle, but parallel in front of posterior angles; microsculpture of elytra closely and longitudinally reticulate, iridescently shiny .............................. ................................................................................................................................................ L. striola Erichson, 1840 - Elytra without lateral furrows on disk, only with two large setiferous punctures each; microsculpture of elytra net- like reticulate and not iridescently shiny....................................................................................................................... 4 4. Elytra very finely and sparsely punctate ( Fig. 10 H); 3rd antennomere less than twice as long as 2nd, paramera of aede- agus trilobed ............................................................................................................... L. laeviusculus Bernhauer, 1910 - Elytra densely and distinctly punctuate; 3rd antennomere twice as long as 2nd; paramera of aedeagus bilobed ............ .......................................................................................................................................... L. attenuatus Erichson, 1840 5. Pronotum straightly narrowed to posterior angles, without emargination in front of posterior angels ( Fig. 10 C) ...... 6 - Pronotum distinctly emarginate in front of posterior angles, emargination short in some species ( Figs. 10 D–10F). 12 6. Body larger, 5.4–5.7 mm ; elytra with net-like reticulate microsculpture, fine punctation and on disc with two large setiferous punctures each .......................................................................................... L. quadripunctulus Fauvel, 1865 - Body smaller, <5.0 mm................................................................................................................................................ 7 7. Body smaller, 3.8–4.0 mm; elytra with weak, longitudinally reticulate microsculpture, surface shiny ...................... 8 - Body larger, 4.5–4.8 mm , with more distinct microsculpture of elytra ....................................................................... 9 8. Elytra quadrate, their punctation sparser, distance between punctures about the same as diameter of punctures ( Fig. 10 I) ............................................................................................................................................ L. newtoni Irmler, 1994 - Elytra longer than wide, their punctation denser and deeper, distance between punctures much less than diameter of punctures ( Fig. 7 E) .............................................................................................................................. L. minimus n.sp. 9. Elytra with weak net-like reticulate microsculpture ( Fig. 8 E); pronotum with fine and sparse punctation, distance between punctures twice as wide as diameter of punctures, surface of pronotum and elytra slightly shiny ( Fig. 8 P)... ........................................................................................................................................................... L. speciosus n.sp. - Ground sculpture of elytra dense and longitudinally reticulate, surface of elytra dull .............................................. 10 10. Posterior angles of pronotum obtusely rounded; endophallus of aedeagus with one torsion .... L. tardus Sharp, 1887 - Posterior angles of pronotum rectangular; endophallus of aedeagus with more than one torsion ........................... 11 11. Both elytra and pronotum wider than long ......................................................................... L. listenbarthi Irmler, 1994 - Both elytra and pronotum longer than wide .............................................................................. L. lunaris Irmler, 1994 12. Depressions at posterior angles of pronotum deeply margined at outer side and with dense reticulation, their surface dull ............................................................................................................................................................................. 13 - Depressions at posterior angles not deeply margined at outer side, smoothly depressed, their surface not distinctly differing from surface of disc ..................................................................................................................................... 15 13. Body larger, 4.7 mm ............................................................................................................................ L. blandus n.sp. - Body smaller, < 4 mm ................................................................................................................................................. 14 14. Sides of pronotum rounded anteriad posterior emargination, widest in middle ( Fig. 10 E) ........................................... ....................................................................................................................................... L. bolivianus Bernhauer, 1929 - Sides of pronotum more or less parallel anteriad posterior emargination, widest near front angles ( Fig. 1 ) ................. ........................................................................................................................................................... L. peruanus n.sp. 15. Each elytron with a row of deeply impressed punctures forming more or less fine deep furrow similar to the one in L. striola .......................................................................................................................................... L. catena Sharp, 1876 - Elytra without furrows, on disc of each elytron often with one or two deeper and larger setiferous punctures than normal punctation ...................................................................................................................................................... 16 16. Punctures of pronotum and elytra deep and dense, distance between punctures less than half diameter of punctures, surface shiny, sparsely covered by short undulate micro-striae................................................ L. socialis Irmler, 1994 - Punctures of pronotum and elytra less deep and sparser, their ground sculpture more distinct and dense, their surface only slightly shiny ...................................................................................................................................................... 17 17. Elytra with transversely reticulate ground sculpture ( Fig. 10 L)................................................ L lescheni Irmler, 2001 - Elytra with longitudinally reticulate ground sculpture ............................................................................................... 18 18. Elytra about as long as wide; abdominal tergites laterally with strigae; body smaller ≤ 3.5 mm .................................. .............................................................................................................................................. L. linearis Erichson, 1840 - Elytra longer than wide; abdominal tergites without strigae; body larger, 4.0– 4.3 mm ............................................. 19 19. Microsculpture of pronotum and elytra distinct and dense, their surface dull; depression at posterior angles of prono- tum flat .................................................................................................................................. L. fungicola Irmler, 2001 - Microsculpture of pronotum and elytra weaker, their surface shiny; depression at posterior angles of pronotum deep ( Fig. 10 F) .................................................................................................................... L. sinuatocollis Bernhauer, 1942