Three new species of Canthonella Chapin from Hispaniola, with new records and Nomenclatural changes for West Indian dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae)
Author
Ivie, Michael A.
Author
Philips, Keith
text
Zootaxa
2008
1701
1
14
journal article
10.5281/zenodo.180818
850fc9b3-67a6-4ced-b77b-3cc2bebe8857
1175-5326
180818
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
)