Dedalopterus Sabatinelli & Pontuale 1998
Creators: name: Pham, Phu Van
name: Ahrens, Dirk
name: Sabatinelli, Guido
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Dedalopterus

description: Key to the species of Dedalopterus (males only)
Based on the key of Sabatinelli & Pontuale (1998), modified and updated
1 Antennal club less than twice as long as remaining antennomeres................................................ 2
- Antennal club twice or more than twice as long as remaining antennomeres....................................... 6
2 Parameres of unequal length............................................................................ 3
- Parameres of equal length.............................................................................. 4
3 Protibia bidentate, tegument of elytra light-brown to yellow, parameres short............... D. fujianensis (Zhang, 1990)
- Protibia tridentate (basal tooth small), tegument of elytra dark brown, parameres longer.................................................................................................... D. itohi Sabatinelli & Pontuale, 1998
4 Parameres curved ventrally by 40 o at distal third (lateral view).......................... D. fencli Zídek & Krajčík, 2007
- Parameres entirely straight (lateral view)................................................................... 5
5 Right paramere rather straight and larger.......................................... D. melanodiscus (Zhang, 1990)
- Right paramere curved moderately dorsally at apex and slender.......................... D. hainanensis (Zhang, 2002)
6 Pygidium apically rounded.............................................................................. 7
- Pygidium apically triangular............................................................................. 8
7 Parameres rather straight and long, right paramere width almost equal to the left one (see Fig. 3; Sabatinelli & Pontuale, 1998).......................................................................... D. signatus (Moser, 1908)
- Parameres rather curved and short, right paramere narrower than left one (see Fig. 2, Sabatinelli & Pontuale, 1998).................................................................................... D. intermedius (Zhang, 1990)
8 Frontal depression deep; apical segment of maxillary palp with a large callus on its outer surface...................... 9
- Frontal depression superficial, apical segment of maxillary palp with a minor callus on its outer surface................................................................................................. D. malyszi Bunalski, 2001
9 Parameres unequal in length, right paramere shorter and slender than the left one............................................................................................ D. lexuanhuei Pham, Ahrens& Sabatinelli, new species
- Parameres equal in length............................................. D. pulchellus Sabatinelli & Pontuale, 1998
description: Published as part of Pham, Phu Van, Ahrens, Dirk & Sabatinelli, Guido, 2024, The genus Dedalopterus Sabatinelli & Pontuale, 1998 (Scarabaeidae: Melolonthinae: Leucopholini) in Laos and Vietnam, with description of a new species, pp. 141-152 in Zootaxa 5406 (1) on page 151, DOI: 10.11646/zootaxa.5406.1.7, http://zenodo.org/record/10611467