A revision of the genus Ora Clark, 1865 (Coleoptera: Scirtidae) in Argentina (part II) — redescriptions, updated distributions and a key to species Author Libonatti, María Laura text Zootaxa 2015 3985 1 69 97 journal article 10.11646/zootaxa.3985.1.4 14b11dbc-56b9-4d31-a6e9-5e638eb48446 1175-5326 289063 F3C033F4-9745-49B7-BFB5-0C5A1FA99C3D Key to the Argentine species of the genus Ora 1 Body reddish testaceous with antennae, legs and apical part of elytra dark brown to black ( Figs. 1–3 )................................................................................................... Ora atroapicalis Pic, 1928 - Body differently colored............................................................................... 2 2 Head, pronotum and scutellar shield brown, elytra uniformly yellow or yellow with brown spots ( Figs. 20, 21 ).......................................................................................... Ora semibrunnea Pic, 1922 - Body differently colored............................................................................... 3 3 TL less than 3.0 mm ( Fig. 5 ).......................................................... Ora bivittata Pic, 1922 - TL more than 3.5 mm ................................................................................. 4 4 Elytra with a zigzag yellow mark enclosed by brown areas ( Figs. 18, 19 ). Penis L-shaped in ventral aspect ( Fig. 100 ).......................................................................................................... 5 - Elytra differently colored. Penis not L-shaped............................................................... 6 5 Body oval, TL/EW 1.3–1.4 ( Libonatti 2014: fig. 22 ). Penis narrower, with a shorter lateral protuberance ( Libonatti 2014: fig. 38 )..................................................................... Ora brevieminentia Libonatti, 2014 - Body oblong oval, TL/EW 1.7–1.8 ( Figs. 18, 19 ). Penis broader, with a longer lateral protuberance ( Fig. 100 )........................................................................................... Ora platensis Brèthes, 1925 6 Body broadly oval ( Figs. 6–12 ). Elytra punctation not uniform, with intermixed coarser punctures. Penis rod-shaped ( Figs. 68 , 117 ). Prehensor without well-defined sclerites ( Figs. 54 , 74 , 122 )................................................ 7 - Body oval or elliptical ( Figs. 13–17, 22–25 ). Elytra punctation uniform, without intermixed coarser punctures. Penis not rodshaped ( Figs. 86 , 133 ). Prehensor with well-defined sclerites ( Figs. 90 , 138,139)................................... 9 7 Body wider, TL/EW 1.1–1.2. Elytra yellow with pale spots ( Libonatti 2014: figs. 23, 24 ). Left-handed surface of tegmen spiny ( Libonatti 2014: figs. 55, 57 ). Anterior part of bursal sclerite not folded, with a single central tooth, margin rectangularly notched, middle part with a pair of shorter and narrower teeth ( Libonatti 2014: figs. 61, 62 )..................................................................................................... Ora megadepressa Libonatti, 2014 - Body narrower, TL/EW 1.4–1.5. Elytra yellow with or without brown spots ( Figs. 6–12 ). Left-handed surface of tegmen not spiny ( Fig. 62 ). Anterior part of bursal sclerite folded, with three teeth, margin not notched or ovally notched, middle part with a pair of longer and broader teeth ( Figs. 55–57 , 75, 76 )...................................................... 8 8 Elytra yellow with non-coalescent small brown spots ( Fig. 6 ). Anterior margin of bursal sclerite rounded, not notched ( Fig. 56 ).................................................................................... Ora bruchi Pic, 1928 - Elytra yellow, without spots ( Fig. 8 ) or with small brown spots ( Fig. 10 ), usually coalescing in larger spots in the anterior 1/3 ( Fig. 9 ), or with a rounded brown spot ( Fig. 11 ), or with a brown basal fascia ( Fig. 12 ). Anterior margin of bursal sclerite notched ( Figs. 77, 78 ).......................................................... Ora depressa ( Fabricius, 1801 ) 9 Body oval. Elytra testaceous to brown, not costulate, without a trifurcate black mark on apex ( Figs. 22–25 ). Tegmen with two apical lobes: a digitiform left-handed lobe and a very acute and curved right-handed lobe ( Fig. 132 ). Prehensor with two rows of spiny sclerites ( Fig. 139 )........................................................... Ora wagneri ( Pic, 1928 ) - Body elliptical. Elytra testaceous to brown, costulate, with a trifurcate black mark on apex ( Figs. 13–17 ). Tegmen with one digitiform apical lobe ( Fig. 85 ). Prehensor without rows of spiny sclerites ( Fig. 90 )................................ 10 10 Body smaller, TL 4.1–4.9. Tegmen with a right-handed spiny region ( Fig. 85 ). Dorsal appendix of penis with the lateral margins straight, diverging posteriorly to the broadly rounded apex; ventral appendix of penis straight in its major part, slightly curved at apex ( Fig. 86 ). Prehensor chair-shaped ( Fig. 90 ).............................. Ora mediolineata ( Pic, 1928 ) - Body larger, TL 4.9–6.0. Tegmen without spiny regions ( Libonatti 2014: fig. 73 ). Dorsal appendix of penis broadened at middle, then lateral margins converging posteriorly to the obliquely truncate apex; ventral appendix of penis uniformly curved ( Libonatti 2014: fig. 72 ). Prehensor boxing-glove-shaped ( Libonatti 2014: fig. 80 )......... Ora sigmoidea Libonatti, 2014