Contribution to the knowledge of Aegidinus Arrow (Coleoptera: Scarabaeidae: Orphninae): new species and comments on the classification and nomenclature Author Frolov, Andrey V. Author Akhmetova, Lilia A. Author Vaz-de-Mello, Fernando Z. text Journal of Natural History 2019 2019-05-13 53 11 725 747 journal article 10.1080/00222933.2019.1606953 d2615e10-8703-400b-b571-6c431b0ed9a7 1464-5262 3675571 09AA5C86-5138-42A7-9646-9FF2A7F46767 Key to Aegidinus species (males ) 1. Parameres separated into dorsomedial and ventrolateral lobes ( Figures 1 (h,i), 2(e,f) and 3(b – d))....................................................................................................................................................... 2 - Parameres not separated into dorsomedial and ventrolateral lobes ( Figure 6 (c – e))... ................................................................................................................................ Aegidinus cornutus 2. Phallobase with ventroapical plate ( Figures 1 (g), 3(c) and 4(d)) ......................................... 3 - Phallobase without ventroapical plate ( Figures 2 (d), 4(h) and 5(d)).............................. 6 3. Parameres symmetrical .......................................................................................................................... 4 - Parameres asymmetrical .................................................................................................................... 5 4. Ventrolateral lobe of paramere with subapical tooth ( Colby 2009 , fig. 55)........................ ............................................................................................................................... Aegidinus howdenorum - Ventrolateral lobe of paramere without subapical tooth ( Figure 1 (h)).............................. ............................................................................................................................ Aegidinus guianensis 5. Parameres longer, more asymmetrical ( Figure 4 (b,c)); ventroapical plate of phallobase longer than wide ( Figure 4 (d)); protibia without medioapical tooth.......................................... .......................................................................................................................... Aegidinus noriegai sp. nov. - Parameres shorter, less asymmetrical ( Figure 3 (b,d)); ventroapical plate of phallobase wider than long ( Figure 3 (c)); protibia with medioapical tooth Aegidinus candezei 6. Mediobasal margins of dorsomedial lobes of parameres feebly sclerotised, membranous ( Figure 2 (e)); protibia with medioapical tooth...................................................................... 7 Figure 1. Aegidinus guianensis , holotype, female (a, b, d), female, paratype of Ae. oreibates (c), female from Villa Napoleão, Brazil (e), male, holotype of Ae. oreibates (f), male, paratype of Ae. oreibates (g – i). Habitus in dorsal view (a, c, f), labels (b), female external genitalia (d, e), aedeagus in lateral (h) and ventral view (g), parameres in dorsal view (i). - Mediobasal margins of dorsomedial lobes of parameres strongly sclerotised (4G, 5E); protibia without medioapical tooth ............................................................................................. 9 7. Ventrolateral lobes of parameres long and slender (in lateral view), noticeably longer than dorsomedial lobes ( Figure 2 (f)).......................................... .......................................... steinheili Figure 2. Aegidinus steinheili , lectotype, male (a, d – f), male with erroneous label ‘ Bresil Steinheil... ’ . (b), female, paralectotype (c, g). Habitus in dorsal view (a – c), female external genitalia (g), aedeagus in lateral (f) and ventral view (d), parameres in dorsal view (e). - Ventrolateral lobes of parameres triangular and obtuse in lateral view, not longer than dorsomedial lobes ..................................................................................................................... 8 8. Ventrolateral lobes of parameres as long as dorsomedial lobes...... Aegidinus petrovi - Ventrolateral lobes of parameres noticeably shorter than dorsomedial lobes............... ............................................................................................................... Aegidinus teamscaraborum 9. Dorsal sides of parameres strongly overlapping and separated by slit ( Figure 4 (f), arrowed).......................................................... .......................................................... Aegidinus simulatus - Dorsal sides of parameres less overlapping and not separated by slit ( Figure 5 (f)) 10 Figure 3. Aegidinus spp. Aegidinus candezei , lectotype, male (a, e), male (b – d), female (h, k), female, holotype of Ae. sunidigea (g, j); Aegidinus sp., paralectotype of Ae. candezei (f, i, l). Habitus in dorsal view (a, g, h, i); labels (e, f); female external genitalia (j – l); aedeagus in lateral (b) and ventral view (c); parameres in dorsal view (d). Figure 4. Aegidinus spp. Ae. noriegai sp. nov. , holotype (a – d), Ae. simulatus , male (e – h). Habitus in dorsal view (a, e); aedeagus in lateral (b, f) and ventral view (d, h); parameres in dorsal view (c, g). 10. Dorsal processes of parameres carina shaped ( Figure 5 (e), arrowed)................................. ........................................................................................................................... Aegidinus colbyae sp. nov. - Dorsal processes of parameres tooth or spur shaped........................................................ 11 11. Dorsal processes of parameres long, spur shaped........... ........... Aegidinus brasiliensis - Dorsal processes of parameres short, tooth shaped............ ............ Aegidinus howeae