Omaniidae Cobben 1970
Creators: name: Luo, Jiu-Yang
name: Wang, Yan-Hui
name: Chen, Ping-Ping
name: Xie, Qiang
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Omaniidae

description: Key to the species of Omaniidae Cobben, 1970
Modified from Cobben (1970).
1. Body longer than 2.0 mm; forewings with well-developed membrane or flap-like leaving most of abdominal dorsum exposed; eye without trichobothria in adults.............................. Families Aepophilidae, Leptopodidae and Saldidae
– Body shorter than 2.0 mm; forewings elytra-like without membrane (Figs. 1, 2D); eye with 3 trichobothria in adults (Fig. 2B, E)............................................................................... Omaniidae Cobben 2
2. Collar of head sharply projecting medially into the vertex region (Fig. 8A, also see Horváth 1915: fig. 1; Cobben 1970: figs. 1A, 6A); ocelli not circular (see Cobben 1970: fig. 6A); forewing without sutures (Fig. 8A–B, also see Cobben 1970: fig. 1A). Femora entirely stramineous (Egypt; Saudi Arabia; Oman; Pakistan)............. Omania Horváth: O. coleoptrata Horváth
– Collar of head with broadly arcuate anterior margin (Figs. 2B, 4A); ocelli circular (Figs. 2B, 3B, 6E); forewing with two longitudinal sutures (Figs. 2D, 6A–B). Femora with dark area and light apex..................... Corallocoris Cobben 3
3. Cephalic trichobothria pair 2 in front of pair 1 (see Miyamoto 1963: Plate fig. 1A); cephalic trichobothria pair 3 not arising from light spots (see Miyamoto 1963: Plate fig. 1A) (Japan)......................................... C. satoi (Miyamoto)
– Cephalic trichobothria pairs 1 and 2 in a straight line (Figs. 2B, E, 3B, 6D); cephalic trichobothria pair 3 arising from light elevated spots (Figs. 2B, E, 3B, 6D–E).................................................................... 4
4. Pronotum and scutellum with light areas (Fig. 8C); median fovea of pronotal dome dividing the dome posteriorly (Fig. 8C) (Nauru)................................................................ C. nauruensis (Herring & Chapman)
– Pronotum and scutellum concolorous (Figs. 1A, D, 6A); median fovea of pronotal dome present as a simple pit (Figs. 1A, D, 3A, D).............................................................................................. 5
5. Elevated spots on frons distinctly larger than ocelli, contact with eyes; base of hypocostal lamina clearly notched along ventral side (Seychelles)....................................................................... C. aldabrae Cobben
– Elevated spots on frons not distinctly larger than ocelli, and not contact with eyes (Figs. 2B, E; 7D, E); base of hypocostal lamina clearly without notched along ventral side............................................................ 6
6. Forewing with distinct grey transverse fascia and grey apical margin (Figs. 7A–B, F); entire trochanters and femora except for apices dark-brown (Fig. 7B–C) (Australia; Philippines; Samoa; Singapore)................... .. C. marksae (Woodward)
– Forewing nearly concolorous, with apical margin paler (Fig. 1A–B, D–E); entire trochanters and femora except for subapices whitish-yellow (Fig. 1B–C, E–F) (China: Xisha Islands)..................................... C. xishaensis sp. nov.
description: Published as part of Luo, Jiu-Yang, Wang, Yan-Hui, Chen, Ping-Ping & Xie, Qiang, 2022, First record of the intertidal dwarf bug family Omaniidae from China, with description of a new species (Heteroptera: Leptopodomorpha), pp. 449-467 in Zootaxa 5195 (5) on page 456, DOI: 10.11646/zootaxa.5195.5.4, http://zenodo.org/record/7223747