Aegidinus Arrow 1904
Creators: name: Frolov, Andrey V.
name: Akhmetova, Lilia A.
name: Vaz-de-Mello, Fernando Z.
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Hybosoridae
Aegidinus

description: 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
- 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
- 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
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
description: Published as part of Frolov, Andrey V., Akhmetova, Lilia A. & Vaz-de-Mello, Fernando Z., 2019, Contribution to the knowledge of Aegidinus Arrow (Coleoptera: Scarabaeidae: Orphninae): new species and comments on the classification and nomenclature, pp. 725-747 in Journal of Natural History 53 (11) on pages 727-731, DOI: 10.1080/00222933.2019.1606953, http://zenodo.org/record/3675571