Petalops, Amyot & Serville, 1843

Brailovsky, Harry, 2021, Illustrated key to the species included in the genus Petalops Amyot & Serville 1843 (Hemiptera: Heteroptera: Coreidae: Coreinae: Acanthocephalini), with description of four new species and new distributional notes, Zootaxa 4985 (4), pp. 564-573: 572-573

publication ID

https://doi.org/10.11646/zootaxa.4985.4.9

publication LSID

lsid:zoobank.org:pub:AEDE2F29-821C-4D9D-937F-16B4CF6146C5

DOI

http://doi.org/10.5281/zenodo.5075992

persistent identifier

http://treatment.plazi.org/id/33319D3B-FFF6-1A26-FF55-CC174EF9FE91

treatment provided by

Plazi

scientific name

Petalops
status

 

Key to known species of Petalops  

1 Antennal segments I–III black with or without basal joint of segments II–III pale yellow; antennal segment IV black with subbasal pale yellow ring or pale yellow with apical third black ( thoracicus   group)................................... 2

- Antennal segments I–IV castaneous orange or pale yellowish orange ( distinguendus   group).......................... 9

2 Antennal segment IV pale yellow with apical third black; hind femora yellow with two black rings, one near midline, the second at apex; anterior lobe of pronotal disk with yellow transverse band which spreads along anterolateral margins ( Fig. 8 View FIGURES 3–10 )...................................................................................... P. thoracicus (Thunberg)  

- Antennal segment IV black with subbasal yellow ring........................................................ 3

3 Hind femora bicolored................................................................................. 4

- Hind femora unicolored................................................................................ 5

4 Hind femora with anterior half black, and posterior half yellowish orange; head dorsally pale yellow with antenniferous tubercles black; head ventrally, thorax, abdominal sterna and genital plates entirely pale yellow ( Fig. 4 View FIGURES 3–10 )...................................................................................................... P. bellator Brailovsky  

- Hind femora with anterior half yellowish orange and posterior half black; head dorsally almost entirely black; head ventrally, thorax, abdominal sterna and genital plates almost black to reddish brown; pleural margin of abdominal sterna III–VII yellow with anterior third black ( Fig. 3 View FIGURES 3–10 )....................................................... P. azureus (Burmeister)  

5 Pronotal calli yellow to castaneous orange................................................................. 6

- Pronotal calli black with bluish green reflections............................................................ 7

6 Abdominal sterna III–VII orange to yellowish orange; dorsal abdominal segments III–IV and basal half of V black and apical half of V and VI–VII shiny orange ( Fig. 12 View FIGURES 11–18 )................................................. P. fortunatus Dallas  

- Abdominal sterna III–VI reddish brown to black with upper pleural margins yellow; dorsal abdominal segments III–VII black with scars of segments IV–V and V–VI yellow ( Fig. 11 View FIGURES 11–18 ).................................... P. distinctus Montandon  

7 Abdominal sterna III–VII black to reddish brown with pleural margins yellow; dorsal abdominal segments III–VII black with scars of segments IV–V and V–VI yellow ( Figs. 1 View FIGURES 1–2 , 16 View FIGURES 11–18 )..................................... P. napoensis Brailovsky  

- Abdominal sterna III–VII pale yellow to pale yellowish orange; dorsal abdominal segments III–IV and basal half of V black and apical half of V and VI–VII shiny orange (posterior margin of VII black)..................................... 8

8 Thorax reddish orange with bluish green reflections; connexival segments III–VII pale yellowish orange; anterior and posterior lobes of metathoracic peritreme black ( Fig. 9 View FIGURES 3–10 )............................................. P. ambiguus Brailovsky  

- Thorax pale yellow with shiny dark brown longitudinal stripe running on outer face of sternum and covering pro-, meso-, and meta-acetabulae; connexival segments III–VII black with narrow vertical yellow stripe parallel to anterior margins of sternites; anterior and posterior lobes of metathoracic peritreme pale yellow ( Fig. 13 View FIGURES 11–18 )......................... P. graziae   sp. nov.

9 Hind femora bicolored or tricolored..................................................................... 10

- Hind femora unicolored.............................................................................. 13

10 Hind femora tricolored with basal half pale yellowish orange, posterior half shiny orange with distal joint and wide ring near midline back; head dorsally entirely pale castaneous orange ( Fig. 5 View FIGURES 3–10 )................................ P. lautus   sp. nov.

- Hind femora bicolored; head dorsally black with the space between eyes and ocelli and longitudinal stripe between ocelli pale to dark orange to yellowish orange...................................................................... 11

11 Hind femora with anterior half black and posterior half shiny orange with apex black ( Fig. 7 View FIGURES 3–10 )....... P. occulta Brailovsky  

- Hind femora with anterior half yellow and posterior half black............................................... 12

12 Pronotum pale castaneous orange with bluish green reflections ( Figs. 2 View FIGURES 1–2 , 10 View FIGURES 3–10 )................... P. distinguendus Breddin  

- Pronotum brown with bluish green reflections and disk with yellow transverse band which spreads anteriorly along anterolateral margins ( Fig. 6 View FIGURES 3–10 )................................................................... P. necopinus   sp. nov.

13 Pronotal disk castaneous orange with bluish green reflections and wide transverse yellow or orange band running below calli ( Fig. 15 View FIGURES 11–18 )..................................................................... P. luteomaculosus Brailovsky  

- Pronotal disk pale orange or castaneous orange or reddish brown with bluish green reflections and without yellow or orange transverse band...................................................................................... 14

14 Dorsal abdominal segments III–VI pale orange, VII black with middle third of anterior margin pale orange and VIII–IX black; head dorsally pale orange; meta-acetabulae pale orange ( Fig. 14 View FIGURES 11–18 )................................. P. jactatus   sp. nov.

- Dorsal abdominal segments III–IX black with pale yellow median longitudinal stripe running from III to middle third of segment VII; head dorsally black with the space between eye and ocelli and short longitudinal stripe between ocelli pale yellow; meta-acetabulae black to dark castaneous with bluish green reflections......................................... 15

15 Pronotal disk reddish brown to black with bluish green reflections; hind femora shiny black to reddish brown or with dorsal face shiny black and ventral face shiny reddish brown ( Fig. 18 View FIGURES 11–18 )........................................ P. virago Breddin  

- Pronotal disk orange to dark castaneous orange with posterior margin dark with bluish green reflections; hind femora shiny castaneous orange ( Fig. 17 View FIGURES 11–18 )............................................................ P. proletarius Breddin  

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Coreidae