Omaniidae Cobben, 1970

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), Zootaxa 5195 (5), pp. 449-467 : 456

publication ID	https://doi.org/ 10.11646/zootaxa.5195.5.4
publication LSID	lsid:zoobank.org:pub:9238817E-3772-4CDF-9B50-045F456050E0
DOI	https://doi.org/10.5281/zenodo.7223757
persistent identifier	https://treatment.plazi.org/id/C8089363-FFCC-CB43-FF73-45B0FA446141
treatment provided by	Plazi
scientific name	Omaniidae Cobben, 1970
status

Treatment

Key to the species of Omaniidae Cobben, 1970 View in CoL

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 View in CoL , Leptopodidae View in CoL and Saldidae View in CoL

– Body shorter than 2.0 mm; forewings elytra-like without membrane ( Figs. 1 View FIGURE 1 , 2D View FIGURE 2 ); eye with 3 trichobothria in adults ( Fig. 2B, E View FIGURE 2 )............................................................................... Omaniidae Cobben View in CoL 2

2. Collar of head sharply projecting medially into the vertex region ( Fig. 8A View FIGURE 8 , 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 View FIGURE 8 , also see Cobben 1970: fig. 1A). Femora entirely stramineous ( Egypt; Saudi Arabia; Oman; Pakistan)............. Omania Horváth View in CoL : O. coleoptrata Horváth View in CoL

– Collar of head with broadly arcuate anterior margin ( Figs. 2B View FIGURE 2 , 4A View FIGURE 4 ); ocelli circular ( Figs. 2B View FIGURE 2 , 3B View FIGURE 3 , 6E View FIGURE 6 ); forewing with two longitudinal sutures ( Figs. 2D View FIGURE 2 , 6A–B View FIGURE 6 ). Femora with dark area and light apex..................... Corallocoris Cobben View in CoL 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 View FIGURE 2 , 3B View FIGURE 3 , 6D View FIGURE 6 ); cephalic trichobothria pair 3 arising from light elevated spots ( Figs. 2B, E View FIGURE 2 , 3B View FIGURE 3 , 6D–E View FIGURE 6 ).................................................................... 4

4. Pronotum and scutellum with light areas ( Fig. 8C View FIGURE 8 ); median fovea of pronotal dome dividing the dome posteriorly ( Fig. 8C View FIGURE 8 ) ( Nauru)................................................................ C. nauruensis (Herring & Chapman)

– Pronotum and scutellum concolorous ( Figs. 1A, D View FIGURE 1 , 6A View FIGURE 6 ); median fovea of pronotal dome present as a simple pit ( Figs. 1A, D View FIGURE 1 , 3A, D View FIGURE 3 ).............................................................................................. 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 View in CoL

– Elevated spots on frons not distinctly larger than ocelli, and not contact with eyes ( Figs. 2B, E View FIGURE 2 ; 7D, E View FIGURE 7 ); 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 View FIGURE 7 ); entire trochanters and femora except for apices dark-brown ( Fig. 7B–C View FIGURE 7 ) ( Australia; Philippines; Samoa; Singapore)................... .. C. marksae (Woodward)

– Forewing nearly concolorous, with apical margin paler ( Fig. 1A–B, D–E View FIGURE 1 ); entire trochanters and femora except for subapices whitish-yellow ( Fig. 1B–C, E–F View FIGURE 1 ) ( China: Xisha Islands)..................................... C. xishaensis sp. nov.