Otiocerini Muir 1917
Creators: name: Bartlett 1, Charles R.
name: Hoch, Hannelore
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Derbidae

description: Tribe Otiocerini Muir, 1917
Apreliminary key to New World genera of Otiocerini
1. Antennae bearing elongated appendage(s) (e.g., Figs. 2 B, C; 5B, D, E, H) .................................... 2
1*. First antennal segment devoid of appendages (Figs. 5A, C, F, G) .................................................. 6
2. Costal margin of forewing scalloped, bearing 2 or more lobes (Fennah 1945, fig. 41 as lquitosa Fennah); mesonotum usually bearing two large tubercles; South America, Trinidad .... Kubilaya Koçak & Kemal
2*. Costal margin of forewing not lobed; mesonotal tubercles absent ................................................. 3
3. Head in lateral view rounded and weakly projected (Fig. 5D), length in front of eye less than the widest length of the eye; forewing white with dark spots (e.g., Fig. 1E); Guyana ..................................................................................................................................... Labicerus Erichson
3*. Head in lateral view strongly projected in front of eyes, 2x or more at the widest length of the eye (Figs. 5B, E, H) ................................................................................................................................. 4
4. General color rose or reddish; in lateral view, dorsum of head sinuate (Fig. 5B); dorsal margin of wings in repose sharply angled dorsal in apical third; forewings with dusky spots in most cells; USA ..................................................................................................................... Apache Kirkaldy 4*. General color white or yellow; in lateral view, dorsum of head flat (Fig. 5E) or rounded (Fig. 5H), dorsal margin of wings nearly straight; forewings usually without dusky spots in most cells (although some dark spots may be present); USA, Mesoamerica ........................................ 5
5. In lateral view, the demarcation between vertex and frons is obtusely angular (Fig. 5E) ........................................................................................................................ Otiocerus Kirby
5*. In lateral view, the demarcation between vertex and frons is smoothly rounded (Fig. 5H) ........................................................................................................................... Shellenius Ball
6(1). Head in lateral view inclined, bluntly conical, and up-projected (Figs. 5A, G) ......................... 7
6*. Head in lateral view anteriorly rounded or barely projected in front of eyes (Figs. 5C, F) ........ 9
7. Antennae short, less than ¾ length of frons, head little produced (Fennah 1952, fig. 38); Panama ................................................................................................................... Homometria Fennah
7*. Antennae longer, length equal or exceeding that of frons; head distinctly produced (Figs. 5A, G) ............................................................................................................................................ 8
8. Humeral angle of the forewing with an elongated, triangular projection (Bartlett et al. 2014, fig. 64J) ................................................................................................................................... Sayiana Ball
8*. Humeral angle of the forewing with a low rounded projection or none at all ......... Anotia Kirby
9(6). Head broadly rounded ahead of eye, head projection about equal to eye width (Fig. 5C); MP forked from ScP+R near basal cell; Mesoamerica .................................................. Cobacella Fennah
9*. Head narrowly projected ahead of eyes, head projection much less tan eye width (Fig. 5F); MP forked from SC+R well distad of basal cell ..................................................................................... 10
10. Head smoothly rounded into a semicircle in lateral view (Fig. 5F), wings white with dark markings (Fig. 3); pedicle of antennae flattened; Panama .................................... Platonax Metcalf
10*. Head angulately rounded in lateral view (Fennah 1952, fig. 35A), wings and body with red suffusion; pedicle of antennae rounded in cross-section; Guyana ................. Platocerella Fennah
description: Published as part of Bartlett 1, Charles R. & Hoch, Hannelore, 2023, Labicerus Erichson in Schomburgk, 1848 (Hemiptera: Derbidae: Otiocerinae), pp. 27-38 in Cicadina 22 on pages 30-31, DOI: 10.5281/zenodo.15077411