Cylapus striatus Reuter, 1907

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 : 440-443

Cylapus striatus Reuter, 1907

( Figs 50, 51, 63 , 107–109 , 115–119 )

Cylapus striatus Reuter, 1907: 77 (new species)

Cylapus striatus: POPPIUS (1909) : 43 (list); BERGROTH (1920): 71 (list); CARVALHO & FONTES (1968): 275 (list); CAR- VALHO & ALFONSO (1977): 7 (list); CARVALHO (1980): 650 (diagnosis, type specimen); SCHUH (1995): 24 (catalog); GORCZYCA (2006b): 16, Fig. 4 (catalog); SCHUCH (2013) (online catalog)

Cylapus (Cylapus) striatus: CARVALHO (1957) : 31 (catalog).

Type material (not examind). BRAZIL: ♀, “Brasilia, Schott” ( NHMW).

Material examined. BOLIVIA: COCHABAMBA: 1 J 1 ♀ (two specimens on one pin): “BOLIVIA, D[epartament] o Cochab [amba] Pcia. Chapare-Yungas del Palmar 700 m III–53 Martinez – col.; 1 J 1 ♀, Sajta, XI–93 Chapare, Bolivia” ( USNM) ( Fig. 51) . BRAZIL: AMAZONAS: 1 ♀, “ Unt [erer]- Amaz [onas], Taperinha b. Santarem, 1–7. IX. 27. Zerny (coll?)” ( NHMW) . MATO GROSSO: 1 J, “ Serra da Caveira, 600 m, M. Itaguay, Est. do Rio 25–2–1948 W. Zikán ” ( USNM) ; 1 ♀, BRAZIL, “ Mato Grosso: Sinop , October 1976, M. Alvarenga ” ( USNM) . MINAS GERAIS: 1 J 3 ♀♀, “ Nova União Ouro Preto RO Brasil XII 83 Col. Bento; Carvalho to Drake Coll. 1993” ( USNM) . SANTA CATARINA: 1 ♀, “ Aquatneta, Balia, P. Silvae ; S[an]t[a] Catarina; Dohrn” ( NHRS) ; 1 ♀, “S. Catarina, Lüderwaldt ” ( ZMPA) ; 1♀, “Nova Teutonia S[an]ta Catarina Brasil , VII.31.1944 F. Plaumann J C Lutz Collection 1961” ( USNM) . PERU: HUÁNUCO: 1 ♀, “PERU: Monson Valley Tingo Maria X–21–1954; E. I. Schlinger & E.S. Ross collectors; Carvalho to Drake coll. 1993” ( USNM) . VENEZUELA: AMAZONAS: 2 ♀♀, “VENEZUELA, T. F. Amaz [onas] Cerro de Neblina Basecamp, 140 m. 0°50′N, 66°10′W, 5 February 1985; Pyrethrin fogging of vine tangle; canopy of flood plain forest along Rio Baria ; R. Cocroft & W. Steiner ” ( USNM) ( Fig. 50) ; 1 ♀, “ On Ficus glabrata Jungle 630 m a.s.l. Shapajilla Huanaco Peru Apr[il] 8 ’39, F.Woytkovski ” ( NHMW) ; 1 ♀, “VENEZUELA: Amazonas Rio Mavaca Camp , 65º6′W, 2º2′N 150 m, 16–27/III/89” ( AMNH) .

Diagnosis. Recognized by the following set of characters: antennal segment II in both sexes thinner than segment I ( Figs 50, 51); pronotum with yellow, longitudinal stripe medially and with two yellow patches, each situated laterally, bordering callus ( Figs 50, 51); scutellum with three patches: two basolaterally and one apically ( Figs 50, 51); R+M vein yellow, narrowly black medially ( Figs 50, 51); corium with broad patch medially ( Figs 50, 51); endosomal sclerite arcuate ( Fig. 115 ); left paramere with sensory lobe moderately developed ( Figs 116, 117 ). Most similar to C. stellatus and C. tenuicornis in sharing scutellum with three patches ( Figs 48–53). It can, however, be easily distinguished by the coloration of the hemelytron and the shape of the male genitalia.

Redescription. Male. Coloration ( Figs 50, 51, 63 ). Dorsum dark brown black with large yellow and dirty yellow areas. Head. Vertex dirty yellow, broadly tinged with brown to dark brown; frons, clypeus, and mandibular plate dark brown to black; frons tinged with yellow basally; maxillary plate, buccula, and gula yellow; antenna dark brown; segment II contrastingly yellow apically; labium dark brown. Thorax. Pronotum dark brown with large, yellow areas; collar yellow; calli dirty yellow, tinged with brown or fuscous; anterolateral portion with more or less developed yellow patch, sometimes reaching posterior margin; medial portion with yellow, longitudinal stripe from posterior margin of pronotal calli till posterior margin; posterior margin tinged with yellow along entire length. Mesoscutum and scutellum brown to dark brown; scutellum with three large, yellow or reddish yellow patches: two basolaterally and one apically. Thoracic pleura. Proepimeron and proepisternum varying from entirely dark brown to dark brown, broadly tinged with yellow; remaining pleura dark castaneous; evaporative areas and peritreme contrastingly yellow. Hemelytron. Corium dark brown black with basal half slightly paler than apical half; medial fracture yellow medially; R+M vein yellow, interrupted medially; medial portion of corium with relatively broad, yellow patch; apical outer angle of corium yellow; inner margin of corium yellow; clavus dark brown, claval vein yellow along entire length; clavus dark brown, its inner angle broadly yellow; membrane fuscous. Legs. Coxae dark castaneous; pro- and mesocoxae yellow at apical one fourth; metacoxa yellow at apical half; remaining segments of all legs dark brown with dirty yellow and yellow areas. Abdomen black, tinged with yellow laterodorsally and subapically. Structure, texture and vestiture ( Figs 50, 51, 63 , 107–109 ). Body elongate; dorsum covered with short, fine, semirecumbent setae. Head. Antennal segment II thinner than segment I. Scutellum moderately convex. Male genitalia ( Figs 115–119 ). Aedeagus ( Fig. 115 ). Endosoma strongly membranous, with one, strongly arcuate sclerite. Left paramere ( Figs 116–118 ). Apical process thin, arcuate; paramere body well arcuate in dorsal and lateral views; sensory lobe moderately developed in dorsal view. Right paramere ( Fig. 119 ). Apical process short, sharply pointed; paramere body with apical two thirds with dextrolateral margin weakly arcuate and sinistrolateral margin weakly sinuate; basal one third with both margins arcuate; sensory lobe moderately developed; basal process weakly tapering.

Female. Similar to male in coloration, structure, texture, and vestiture.

Measurements (in mm). J / ♀. Body. Length: 5.70–6.50 / 6.40–7.70, width: 1.60–1.90 / 1.80–2.10. Head. Length: 0.50–0.60 / 0.58–0.60, width: 1.10–1.30 / 1.20–1.30, interocular distance: 0.40–0.50 / 0.50. Antenna. Length of segment I: 1.10–1.30 / 0.90–1.15, II: 3.10– 3.90 / 2.70–3.20, III: 4.20–5.20 / 3.00–5.00, IV: 3.00–5.50 / 3.00–4.00. Labium. Length of segment I: 0.80–1.20 / 0.80–1.00, II: 0.90–1.50 / 0.80–1.20, III: 0.95–1.10 / 0.90–1.15, IV: 0.30–0.40 / 0.35–0.50. Pronotum. Length: 0.80–0.90 / 0.70–0.90, width of anterior margin: 1.10–1.20 / 1.10–1.30, length of lateral margin: 0.80–0.90 / 0.85–1.10, width of posterior margin: 1.70–2.10 / 1.75–2.15.

Biology. Collected using pyrethrin fogging of vine tangle in canopy of a floodplain forest, found also on Ficus glabrata .

Distribution. Bolivia (Cochabamba) (this paper), Brazil (Mato Grosso, Minas Gerais, Pará, Santa Catarina) ( REUTER 1907; this paper), Peru (Huánuco) ( CARVALHO & ALFONSO 1977; this paper), Venezuela (Amazonas) (this paper).

Figures

Figs 56–65. Lateral view of Cylapus species: 56 – C. amazonicus Carvalho, 1989 (J); 57 – C. antennatus Carvalho & Fontes, 1968 (J); 58 – C. citus Bergroth, 1922 (♀); 59 – C. luridus sp. nov. (J); 60 – C. marginicollis (Distant, 1883) (J); 61 – C. ruficeps Bergroth, 1922 (♀); 62 – C. stellatus (Distant, 1883) (♀); 63 – C. striatus Reuter, 1907 (♀); 64 – C. tenuicornis (Say, 1832) (J); 65 – C. tucuruiensis Carvalho, 1989 (J).

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 110–119. Male genitalia of Cylapus stellatus (Distant, 1883) (110–114) and C. striatus Reuter, 1907 (115–119): 110, 115 – endosoma; 111, 116 – left paramere (dorsal view); 112, 117 – left paramere (right lateral view); 113, 118 – apical process of left paramere; 114, 119 – right paramere (left lateral view). Abbreviations: bpr = basal process; dss = sclerotized portion of ductus seminis inside endosoma; es1–4 = endosomal sclerites 1–4; pb = paramere body; sg = secondary gonopore; sl = sensory lobe. Scale bars: 0.1 mm.