Aegidinus Species

Colby, Julia, 2009, Monographic revision of the genus Aegidinus Arrow (1904) and generic phylogeny of the world Orphninae (Coleoptera: Scarabaeidae: Orphninae)., Insecta Mundi 2009 (76), pp. 1-41 : 14

publication ID

https://doi.org/10.5281/zenodo.5352584

persistent identifier

https://treatment.plazi.org/id/03BBFE49-0B29-8754-FF36-1975B38AFCE2

treatment provided by

Felipe

scientific name

Aegidinus Species
status

 

Key to Aegidinus Species (Males)

For a description of terms applied to genitalia, refer to the Materials and Methods section and Fig. 5- View Figure 1-9

6. Sternite six in males is emarginated, but entire in females.

1. Protibia with apical denticle ( Fig. 14 View Figure 10-14. 10 ). Phallobase with or without ventral plate ( Fig. 42, 48 View Figures 38-49 , 54, 60 View Figures 50- 64 ). ............................................................................................................................................. 4

— Protibia without apical denticle. Phallobase without ventral plate. ............................................ 2

2 (1). Parameres not broad, flattened, and paddle-like. Lateral lobes folded over and partially concealing median lobes ( Fig. 6 View Figure 1-9 , 38-39 View Figures 38-49 , 56-57 View Figures 50- 64 ). ........................................................................................... 3

— Parameres broad, flattened, and paddle-like. Lateral lobes not folded over and partially concealing median lobes ( Fig. 44-45 View Figures 38-49 ) ............................................................... A. cornutus Colby , n. sp.

3 (2). Parameres with sickle-shaped anterior angles of lateral lobes touching medially. ( Fig. 6 View Figure 1-9 , 38 View Figures 38-49 ) .... ............................................................................................................. A. brasiliensis Arrow

— Parameres with sickle-shaped anterior angles of lateral lobes not touching medially ( Fig. 56 View Figures 50- 64 ) ... .......................................................................................................... A. howeae Colby , n. sp.

4 (1). Phallobase with ventral plate ( Fig. 42, 48 View Figures 38-49 , 54, 60 View Figures 50- 64 ) ..................................................................... 5

— Phallobase without ventral plate ( Fig. 50-51, 61-64 View Figures 50- 64 ) .................................................................... 8

5 (4). Parameres (especially median lobes) twisted ( Fig. 40-43 View Figures 38-49 ) .............................................................. .................................................................................. A. candezei (Preudhomme de Borre)

— Parameres (especially median lobes) not twisted ( Fig. 46-55, 58-64 View Figures 38-49 View Figures 50- 64 ) .......................................... 6

6 (5). Ventral plate generally rectangular at apex ( Fig. 60 View Figures 50- 64 ), usually more than 6 times longer than wide (width measured at suture to phallobase); median lobes stout at apices ( Fig. 58 View Figures 50- 64 ) ..................... ........................................................................................................ A. oreibates Colby , n.sp.

— Ventral plate rounded ( Fig. 48 View Figures 38-49 , 54 View Figures 50- 64 ), less than 5 times as long as wide; median lobes slender at apices ( Fig. 46 View Figures 38-49 , 52 View Figures 50- 64 ) .................................................................................................................... 7

7 (6). Lateral lobe of each paramere with notch in lateral view ( Fig. 55 View Figures 50- 64 ) ............................................... ................................................................................................. A. howdenorum Colby , n.sp.

— Lateral lobe of each paramere without notch in lateral view ( Fig. 49 View Figures 38-49 ) .......................................... ........................................................................................................ A. crypticus Colby , n.sp.

8 (4). Lateral lobe of each paramere positioned above median lobes ( Fig. 50-51 View Figures 50- 64 ) .................................... ..................................................................................................... A. guianensis (Westwood)

— Lateral lobe of each paramere not positioned above median lobes ( Fig. 61-64 View Figures 50- 64 ) ........................... 9

9 (8). Median lobe of each paramere longer than lateral lobe in lateral view ( Fig. 64 View Figures 50- 64 ); length of entire phallobase less than 3 mm. ............................................ A. teamscaraborum Colby , n. sp.

— Median lobe of each paramere not longer than lateral lobe in lateral view ( Fig. 62 View Figures 50- 64 ); length of entire phallobase greater than 3 mm. ......................................................... A. petrovi Colby , n. sp.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Hybosoridae

Genus

Aegidinus