Canthonella Chapin
Creators: name: Ivie, Michael A.
name: Philips, Keith
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Canthonella

description: Key to West Indian Canthonella Chapin
(Modified from Matthews 1966, Ivie & Philips 1990)
1. Protibia with 3 teeth on outer margin...........................................................................................................2
- Protibia with 2 teeth on outer margin...........................................................................................................3
2. Elytral interstriae uneven in height, especially on declivity; protibia very narrow; Puerto Rico and the Virgin Islands ............................................................................................................ Canthonella parva Chapin
- Elytral interstriae flat, even in height; protibia widened apically; Hispaniola ............................................... ..................................................................................................... Canthonella constans Matthews (Fig. 22)
3. Elytral macula yellow-orange, reaching base of elytron (Fig. 9); Hispaniola..............................................4
- Elytral macula whitish-yellow, not reaching base of elytron, with at least a narrow black margin at base (Figs. 7, 8); Cuba and Hispaniola.................................................................................................................5
4. Mesad edge of elytral spot reaching or nearly reaching suture; eighth elytral stria strongly punctate .......... ..................................................................................................... Canthonella isabellae Matthews (Fig. 23)
- Mesad edge of elytral spot reaching to 2nd stria; eighth elytral stria impunctate............................................ ....................................................................................................... Canthonella sikesi new species (Fig. 21)
5. Elytral spot ending at or laterad to 3rd stria (Figs 7, 8); labium rounded, truncate or emarginate anteriorly (Figs. 1, 2 and Ivie & Philips 1990, Fig.1); Cuba and Hispaniola................................................................6
- Elytral spot extending at least half-way across 2nd interstia (Ivie & Philips 1990, Figs. 3, 4); labium obtusely produced anteriorly; Hispaniola.....................................................................................................8
6. Labium narrow, subtruncate (Matthews 1966, Fig. 84); Cuba ..................... Canthonella pygmaea (Harold)
- Labium broader, truncate or emarginate (Figs. 1, 2); Hispaniola.................................................................7
7. Elytral ground color castaneous, darker pitchy around elytral spot and along suture, pronotal disc usually castaneous with pitchy base; labium truncate apically (Fig. 1)...................................................................... ................................................................................................. Canthonella jarmilae new species (Fig. 19)
- Elytral and pronotal ground color black; labium emarginate apically (Fig. 2)............................................... ............................................................................................... Canthonella quesqueya new species (Fig. 20)
8. Elytron with triangular spot at apex of interstriae 1, 2, and 3; a smaller (occasionally obsolete) macula at apex of stria 5; 3.3–4.8 mm ............................................. Canthonella baorucensis Ivie & Philips (Fig. 24)
- Elytron immaculate in apical ½; 2.3–3.4 mm ........................ Canthonella howdeni Ivie & Philips (Fig. 25)
description: Published as part of Ivie, Michael A. & Philips, Keith, 2008, Three new species of Canthonella Chapin from Hispaniola, with new records and Nomenclatural changes for West Indian dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae), pp. 1-14 in Zootaxa 1701 on pages 7-8, DOI: 10.5281/zenodo.180818