Cylapini, Kirkaldy, 1906

Wolski, Andrzej, 2017, Taxonomic review of the plant bug genera Amapacylapus and Cylapus with descriptions of two new species and a key to the genera of Cylapini (Hemiptera: Heteroptera: Miridae), Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 57 (2), pp. 399-455 : 405-406

Key to genera of the tribe Cylapini of the world

1. Macropterous ( Figs 1–7, 36–65 ). .................................................................................. 2

– Staphylinoid ( CARVALHO 1948, NAMYATOVA & CASSIS 2016) or micropterous ( MURPHY & POLHEMUS 2012: Figs 1A–D). ...................................................................................... 10

2. Dorsal surface deeply and densely punctate ( Figs 8 , 28, 107 , 127, 128, 150 ). ............. 3

– Dorsal surface without punctures ( Figs 31, 33). ........................................................... 7

3. Tarsomere I longer or nearly as long as tarsomeres II and III combined ( Figs 94, 132); metathoracic scent gland peritreme strongly protruding, thin and arcuate, sharply pointed ( Figs 93, 96, 129, 146 , arrow). .................................................... Cylapus Say, 1832

– Tarsomere I shorter than tarsomeres II and III combined ( Figs 11 , 29); ostiolar peritreme moderately raised above surface of evaporative areas, relatively broad, blunt ( Figs 32, 35, 149, 151 , arrow), if peritreme is strongly raised, then it is weakly developed ( Amapacylapus ) ( Fig. 10 , arrow). .......................................................................................... 4

4. Eyes weakly pedunculate; mesoscutum broadly covered by posterior portion of pronotum ( Fig. 28). ........................................................................ Cylapinus Carvalho, 1986

– Eyes strongly pedunculate ( Figs 9 , 95, 107 , 120, 123, 148, 150 ); mesoscutum well exposed ( Figs 1–8). ........................................................................................................... 5

5. Corium with regular yellow pattern (see generic redescription for details) ( Figs 1–5, 23–26 ); peritreme strongly raised above surface of evaporative areas, narrow ( Fig. 10 , arrow). ........................................................... Amapacylapus Carvalho & Fontes, 1968

– Hemelytron uniformly brown to black with single patch medially; peritreme weakly raised above surface of metepisternum, broad, oval ( Figs 149, 151 , arrow). ............... 6

6 Hemelytron covered with long, erect setae; mesepimeron and metepisternum punctate ( Fig. 151 ). ........................................................................................ Valdasus Stål, 1860

– Vestiture of hemelytron short, semierect; mesepimeron smooth ( Fig. 149 ). ................... .......................................................................................... Peltidocylapus Poppius, 1909

7. Vertex carinate posteriorly ( Fig. 31). ............................................................................ 8

– Vertex ecarinate posteriorly ( Fig. 33). ........................................................................... 9

8. Head as wide as posterior margin of pronotum. ................. Cylapoides Carvalho, 1952

– Head width 0.72–0.75 times shorter than posterior margin of pronotum. ....................... ............................................................................ Corcovadocola Carvalho, 1948 (male)

9. Fore tibia cylindrical. ..................................................... Cylapomorpha Poppius, 1914

– Foretibia flattened laterally. .............................................. Phyllocylapus Poppius, 1913

10. Micropterous ( MURPHY & POLHEMUS 2012: Figs 1A–D). ......... Mangalcoris Murphy & Polhemus, 2012

– Staphylinoid. ............................................................................................................... 11

11. Hemelytron punctate ( NAMYATOVA & CASSIS 2016: Fig. 1). ............................................. ................................................................................... Carvalhoma Slater & Gross, 1977

– Hemelytron impunctate. ................................. Corcovadocola Carvalho, 1948 (female)

Figures

Figs 36–40. Dorsal habitus photographs of Cylapus species: 36 – C. amazonicus Carvalho, 1989 (J); 37–39 – C. antennatus Carvalho & Fontes, 1968 (37 – J holotype, 38 – J, 39 – ♀); 40 – C. citus Bergroth, 1922 (J).

Figs 8–11. Scanning electron micrographs of Amapacylapus amapariensis Carvalho & Fontes, 1968: 8 – dorsal habitus; 9 – lateral view; 10 – thoracic pleura; 11 – protarsus.Abbreviations: ea = evaporative areas; msp = metathoracic spiracle; pc = posterior carina; per = peritreme.

Figs 107–109. Scanning electron micrographs of Cylapus striatus Reuter, 1907. 107 – dorsal habitus (♀); 108 – lateral view (♀); 109 – pretarsal structure. Abbreviations: ea = evaporative areas; msp = metathoracic spiracle; pc = posterior carina; per = peritreme.

Figs 146–151. Scanning electron micrographs of Cylapus tucuruiensis Carvalho, 1989 (146, 147), Peltidocylapus scutellaris (Poppius, 1909) (148, 149), and Valdasus sp. (150, 151): 146, 149, 151 – thoracic pleura; 147 – pretarsal structure; 148, 150 – lateral view.Abbreviations: ea = evaporative areas; msp = metathoracic spiracle; pc = posterior carina; per = peritreme.

Figs 23–26. Hemelytron of the species of Amapacylapus Carvalho & Fontes, 1968. 23 – A. amapariensis Carvalho & Fontes, 1968; 24 – A. englemani Carvalho, 1991; 25 – A. labeculosus Bergroth, 1922; 26 – A. unicolor sp. nov. Abbreviations: p1–p7 = yellowish patches; pc = posterior carina; per = peritreme.