Pentodontini, Mulsant, 1842

Gasca-Álvarez, Héctor & Amat-García, Germán, 2010, Synopsis and key to the genera of Dynastinae (Coleoptera, Scarabaeoidea, Scarabaeidae) of Colombia, ZooKeys 34 (34), pp. 153-192 : 166-167

publication ID

https://doi.org/ 10.3897/zookeys.34.309

DOI

https://doi.org/10.5281/zenodo.3789626

persistent identifier

https://treatment.plazi.org/id/F34FE44E-1F2A-FFF2-CD84-FA57566DF911

treatment provided by

Plazi

scientific name

Pentodontini
status

 

Key to the genera of adult Pentodontini View in CoL of Colombia

1. Body black or dark brown, almost black .................................................... 2

– Body brownish-yellow, brown, red or reddish brown ................................. 6

2. Mandibles with 3 teeth ( Fig. 22 View Figure 22 ). Propygidium with stridulatory area........ 3

– Mandibles with 2 teeth or without teeth. Propygidium without stridulatory area............................................................................................................ 4

3. Protibia quadridentate. Pronotum with apical tubercle, subapical fovea deep ( Fig. 23 View Figure 23 ). Elytra smooth or moderately punctate. Propygidium elongated, pygidium short ................................................................... Bothynus Hope

– Protibia tridentate. Pronotum convex, without tublercle. Elytra with rows of impressed punctures. Propygidium short, pygidium normal......................... ................................................................................... Hylobothynus Ohaus

4. Clypeus truncate or relatively contracted at apex, bidentate. Pronotum with or without apical tubercle and subapical fovea............................................ 5

– Clypeus acuminate, strongly reflexed. Pronotum with large apical tubercle, fovea wide and deep. Both sides of pronotum with obtuse carina................. ........................................................................................ Oxyligyrus Arrow

5. Mandibles with 2–3 teeth, third tooth obtuse. Pronotum with apical tubercle and deep subapical fovea ( Fig. 24 View Figure 24 )................................... Tomarus Erichson

– Mandibles without teeth, external edge sinuate, rounded. Pronotum convex, without tubercle and fovea ( Fig. 25 View Figure 25 ).................................... Euetheola Bates

6. Mandibles small, narrow, external edge curved. Clypeus truncate. Pronotum convex, with deep transverse fovea or with 2 small tubercles behind anterior margin. Protibia tridentate......................................................................... 7

– Mandibles broad, with 2 apical teeth. Clypeus contracted, emarginate. Pronotum in males with high and wide knob, apex bifurcate. Fovea broad. Females with convex pronotum. Head of males with small horn, apex rounded; females with tubercle. Protibia quadridentate............ Thronistes Burmeister

7. Frontal suture impressed ( Fig. 26). Frons without tubercles or horns. Pronotum convex, with 2 small tubercles behind anterior margin ......................... ......................................................................................... Parapucaya Prell

– Frontal suture absent. Frons with tubercle or semiconical horn close to each eye. Pronotum binodose, with transversal fovea ( Fig. 27 View Figure 27 ) ...... Pucaya Ohaus

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

SuperFamily

Scarabaeoidea

Family

Scarabaeidae

SubFamily

Dynastinae

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