Anasa Amyot & Serville 1843
Creators: name: Brailovsky, Harry
name: Unam
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Coreidae
Anasa

description: Key to the species of Anasa known from Ecuador
1 Antenniferous tubercle unarmed or at most with some nodular processes. .................. 2
– Antenniferous tubercle armed. ...................................................................................... 4
2 Thoracic pleura and abdominal sterna with a wide, longitudinal, creamy yellow stripe that covers the acetabula and is delineated on the sides by a wide brown or dark orange or dark castaneous stripe; scutellum black or pale yellow; antennal segment I pale yellow. ................................................................................................................... 3
– Thoracic pleura and abdominal sterna without longitudinal, creamy yellow stripe; scutellum shiny yellow; antennal segment I black (Fig. 14). ............................................... ............................................................................. A. scitula Brailovsky & Barrera, 2000
3 Antennal segment III black with basal and apical joints pale yellow to yellowish white; scutellum pale yellow, punctures reddish brown; basal half of clavus pale castaneous, punctures reddish brown and outer margin black; apical half of clavus black with claval commissure dark ochre; corium pale castaneous with black irregular spot near to middle third of endocorium (Figs 3–4). ............................................... A. cotopaxiana sp. nov.
– Antennal segment III pale yellow with apical third pale castaneous; pronotum, scutellum, clavus and corium mostly black to dark brown (Figs 5–6). ...... A. crinita sp. nov.
4 Antennal segments II and III yellow with two black rings, one subbasal and the other subdistal (Fig. 2). ............................................................... A. bellator (Fabricius, 1787)
– Antennal segments II and III without black rings. ........................................................ 5
5 Antenniferous tubercles armed with a forked spine, the divisions are of almost equal length (Fig. 7). ............................................................. A. guayaquila Brailovsky, 1985
– Antenniferous tubercles never armed with a forked spine. ........................................... 6
6 All femora unarmed. ..................................................................................................... 7
– All femora armed. ......................................................................................................... 8
7 Antenniferous tubercle armed with a long spine, the length of which is equivalent to one third of the total length of antennal segment I (Fig. 15). ................................................. ......................................................................... A. scorbutica (Fabricius, 1775) (in part)
– Antenniferous tubercle armed with small spine, just reaching the base of antennal segment I (Fig. 17). ......................................................................... A. trilineata Stål, 1870
8 Antenniferous tubercle armed with a long spine, the length of which is equivalent to one third of the total length of antennal segment I. ............................................................. 9
– Antenniferous tubercle armed with small or medium-sized spine, reaching base or just beyond. ........................................................................................................................ 10
9 Humeral angles of pronotum projected in a sheet-like process, pointing out and backwards with the tip almost sharp (Fig. 1). ..................... A. auricularia Brailovsky, 1985
– Humeral angles of pronotum rounded, convex, slightly exposed and weakly projected outward and upward (Fig. 15). ....................... A. scorbutica (Fabricius, 1775) (in part)
10 Humeral angles of pronotum rectangular and apically truncate, and directed outward, upward and usually forward. ....................................................................................... 11
– Humeral angles of pronotum triangular or apically rounded or acute, never apically truncate, and usually directed outward, upward, and slightly forward. ...................... 12
11 Connexival segments III–VI dark orange with upper angle and anterior third yellow; rectangular humeral angles long, directed outward and upward (Fig. 13). ...................... .............................................................................. A. rapax Brailovsky & Barrera, 2009
– Connexival segments III–VI uniformly yellow (in females yellow with inner margins pale brown); rectangular humeral angles shorter, directed outward, upward and slightly forward (Fig. 9). ........................................................................... A. humerata sp. nov.
12 Humeral angles of pronotum long, apically acute and pointing outward, upward and slightly forward. .......................................................................................................... 13
– Humeral angles of pronotum shorter, apically rounded, and pointing only outward and upward. ........................................................................................................................ 14
13 Hind femora bicolorous, anterior half shiny pale dark orange and posterior half black; each connexival segment with a black quadrangular spot located on posterior half below dorsal margin; margin between metapleura and abdomen with a black quadrangular spot on posterior half below dorsal margin (Fig. 12). ............................................................. ............................................................................ A. onorei Brailovsky & Barrera, 2009
– Hind femora uniformly black to reddish brown; connexival segments without black spots; margin between metapleura and abdomen without a black spot (Fig. 8). ............. ........................................................................................... A. hesperia Brailovsky, 1985
14 Hind femora bicolorous. .............................................................................................. 15
– Hind femora concolorous. ........................................................................................... 16
15 Connexivum mostly black with anterior margin yellow; fore and middle femora concolorous; humeral angles without an acute projection (Fig. 11). ......................................... .......................................................................................... A. mimetica Brailovsky, 1985
– Connexivum mostly pale yellow with posterior margin black; fore and middle femora bicolorous; humeral angles with a short, acute projection (Fig. 10). ............................... ............................................................................................. A. maculiventris Stål, 1854
16 Antennal segment IV yellow with basal third brown; connexivum brown with anterior margin yellow (Fig. 16). ...................................................... A. siblica Brailovsky, 1985
– Antennal segment IV uniformly dark reddish brown; connexivum dark orange with brown reflections (Fig. 18). .............................................. A. umbrina Brailovsky, 1985
description: Published as part of Brailovsky, Harry & Unam, 2017, The genusAnasa from Ecuador with description of three new species and key to the Ecuadorian species (Hemiptera: Heteroptera: Coreidae), pp. 61-71 in Acta Entomologica Musei Nationalis Pragae 57 (1) on pages 69-71, DOI: 10.1515/aemnp-2017-0058, http://zenodo.org/record/5316504