Valdasus flavinotum, Wolski & Chérot & Carpintero, 2020

Wolski, Andrzej, Chérot, Frédéric & Carpintero, Diego Leonardo, 2020, Review of the genus Valdasus Stål, 1860 (Heteroptera, Miridae, Cylapinae), with descriptions of four new species from Brazil, Ecuador and French Guiana, Zootaxa 4869 (2), pp. 187-206 : 197-199

Valdasus flavinotum n. sp.

( Figures 4 , 14 , 28, 29 , 45–47 , 57–60 )

Examined specimens: Holotype (♂): Brazil: Rondônia, 62 km SW Ariquemes near Fezada. [= farm] Rancho Grande 4–16.xi.1997, Eger J.E. leg., Black light; Drake Collection Eger Accession 1998 ( USNM) ; Paratypes: 1♂: French Guiana: Kaw, PK 37,5 Malaise viii.2001, Cerda J. leg. ( MNHN) ; 1♀: Brazil: Rondônia, 62 km SW Ariquemes near Fezada. [= farm] Rancho Grande 3–15.xii.1997 Eger J.E., Black light trap; C. J. Fund Accession 1997 ( USNM) ; 1♂: Ecuador: Napo: Tiputini Biodiversity Station , 216 m, 00º37′55″S; 76º08′39″W, 22.x.1998, Erwin T. L. et al. leg.; Insecticidal fogging of mostly bare green leaves, some with covering of lichenous or bryophytic plants, Lot 1961, Transect T-7 ( USNM) ; 1♂: the same data except for 26.x.1998; Lot #1945, Transect #T-5 ( USNM) ; 1♂, 1♀: the same data except for 4.vii.1998; Lot #1864, Transect #T-7 ( USNM) ; 1♀: Ecuador, Orellana Prov. (labeled Napo in error), Res. Ethnica Waorani, 1 km. S, Onkone Gare Camp, Trans. Ent. , 21.vi. 1996, 220m, 00º39’10”S, 76 º26’00”W. Erwin T.L. et al leg.; insecticidal fogging of mostly bare green leaves, some with covering of lichenous or bryophytic plants in terre firme forest, Lot 1549, Transect T-3 ( USNM) .

Diagnosis. Recognized by the following combination of characters: body small; preocular part of head with large, dark brown patch ( Fig. 4 ); antennal segment I dark red; pronotum dark brown with three longitudinal, broad, yellow stripes; hemelytron pale brown with yellow and reddish areas ( Fig. 4 ); endosoma simple with single sclerite ( Fig. 45 ); bursa copulatrix with unpaired sclerotized ring, encircling bursa copulatrix; sclerotization of ventral wall of bursa copulatrix narrow ( Figs 57, 58 ).

Description. Measurements: Holotype ♂: Body. Total length in dorsal view (vertex apex to membrane apex): 4.0, total width hemelytra median: 1.5. Head. Vertex width in dorsal view: 0.4, head width across eyes in dorsal view: 1.0. Antenna. Length segment: I 0.4, II 1.2, III 1.4, IV missing. Labium. Length segment: I 0.5, II 2.4, III 0.5, IV 0.5. Pronotum. Length (including collar): 0.6, posterior width (between humeral angles): 1.4. Scutellum. Length (including mesoscutum): 0.5, anterior width: 0.7. Cuneus. Length: 0.5, width: 0.3.

Paratypes ♂ (n = 4)/ ♀ (n = 2). Body. Total length in dorsal view (from apical part of vertex to apex of membrane): 3.7–3.8/4.6, total width in middle of hemelytra: 1.5–1.6/1.8. Head. Vertex width in dorsal view: 0.4, head width across eyes in dorsal view: 0.9–1.0/1.0. Antenna. Length segment: I 0.4/0.5, II 1.2/1.5, III 1.3/1.6, IV (missing in ♂)/2.4 (n = 1). Labium. Length segment: I 0.5/0.6, II 0.6/0.6, III 0.5/0.5, IV 0.5/0.5. Pronotum. Length (including collar): 0.5–0.6/0.8, posterior width (between humeral angles): 1.4/1.6. Scutellum. Length (including mesoscutum): 0.5–0.6/0.7, anterior width: 0.6–0.7/0.9. Cuneus. Length: 0.5/0.6, width: 0.3/0.5.

Male. COLORATION. Dorsum brown to dark brown with yellow and reddish areas. Head. Varying from yellow with dark red, dark brown, and black areas to fuscous dark yellow; vertex varying from yellow or dark yellow, dark red or dark red behind eyes and on surface bordering inner margin of eye and antennal insertion to fuscous dark yellow; frons varying from yellow or dark yellow, dark red or dark brown basally and with relatively broad, black patch medially to fuscous dark yellow; clypeus varying from yellow to dark yellow, dark red apically; mandibular plates yellow to dark yellow, with dark red tinges; maxillary plates dark red; buccula yellow to dark yellow; antennal segment I dark red, narrowly yellow basally; antennal segment II dark yellow, dark brown apically, sometimes entirely fuscous; antennal segments III and IV dark brown; antennal segment III with narrow annulation basally; labial segment I yellow on basal one third, apical two thirds dark yellow; antennal segment II entirely dark yellow or dark yellow on apical two thirds and dark red or dark brown on basal one third; third antennal segment III entirely dark yellow; antennal segment IV fuscous, narrowly dark yellow basally ( Fig. 4 , 14 ). Thorax. Pronotum. Collar yellow laterally and ventrally, dark brown or dark red dorsally with yellow medial patch; callus and disk mostly dark brown with three yellow or dark yellow longitudinal stripes: two along each margin and one medially. Mesoscutum and scutellum. Mesoscutum and lateral part of scutellum dark red or dark brown, medial part of scutellum broadly yellow or dark yellow tinged with brown. Thoracic pleura. Propleuron yellow sometimes tinged with red or brown on proepisternum and proepimeron; remaining pleura dark castaneus or dark brown; mesepimeron paler, sometimes slightly tinged with yellow; evaporative area of metepisternum yellow, red or dark red basally, peritreme broadly tinged with red. Hemelytron. Clavus dark brown, rarely dark red; corium brown, sometimes partially fuscous, yellow along R+M vein and medial fracture; inner angle of endocorium with broad, red or dark red patch; cuneus mostly red or dark red, narrowly yellow basally, brown laterally; membrane grey, veins reddish. Legs. Procoxa dark castaneus; meso- and metacoxae yellow; trochanters yellow; profemur dark castaneus on basal half, with yellow annulation subapically and brownish annulation apically; meso- and metafemora and all tibiae reddishbrown with yellow annulations: one basally and other medially (Fig, 4). Abdomen dark red dorsally, yellow ventrally. TEXTURE AND VESTITURE. Head. Covered with moderately dense long erect setae; antennal segment I shiny, covered with several fine, sparse, semi recumbent setae; segment II shiny, covered with sparse, relatively long, semi recumbent setae; labium reaching base of abdomen ( Figs 14 , 28 ). Thorax. Pronotum. Calli impunctate. Thoracic pleura. Covered with long, dense, erect setae; mesepimeron deeply punctate. Hemelytron. Covered with long, dense, erect and semi recumbent setae. Legs. Covered with short, semi recumbent setae ( Figs 4 , 28, 29 ). Abdomen. Covered with relatively dense, long, semi recumbent setae. STRUCTURE. Antennal segment I narrowed on basal one fourth, remainder of segment cylindrical, weakly curved; labium reaching base of abdomen ( Figs 4 , 14 , 28 ). Thorax. Pronotum. Calli short. Scutellum. Flat. Hemelytron. Parallel-sided. Legs. Pretarsal claw with subapical tooth. Genitalia. Aedeagus with endosoma simple; sclerotized, distal part of ductus seminis relatively long, incrassate toward apex; secondary gonopore distinctly developed with microsculpture ( Fig. 45 ). Left paramere with convex sensory lobe ( Fig. 46 ); right paramere with broadened sensory lobe, paramere body weakly curved, cylindrical; apical process short, tapering ( Fig. 47 ).

Female. Similar in coloration, structure, texture, and vestiture. Genitalia. Bursa copulatrix round, with unpaired, narrow sclerotized ring, surrounding bursa copulatrix; lateral oviduct relatively long, massive, thickened basally, arcuate; spermathecal (vermiform) gland clearly present; sclerotization on ventral wall of bursa copulatrix narrow (sv) ( Figs 57, 58 ).

Etymology. The specific epithet is taken from the Latin adjective “flavus” meaning yellow and the Latin “notum” (noun in apposition) meaning dorsal part of thorax and refers to the pronotum with broad yellow longitudinal stripes.

Biology. Collected using insecticidal fogging of mostly bare green leaves, some with covering of lichenous or bryophytic plants in terre firme forest.

Distribution. Brazil (Rondônia), Ecuador (Napo), French Guiana (Kaw).

Discussion. Valdasus flavinotum n. sp. is the only Valdasus species with pronotum not totally dark brown to black.

Figures

FIGURES 1–10. Habitus. 1–7.—Dorsal view; 8–10.—Lateral view. 1, 8.—Valdasus erebeus Distant (lectotype); 2, 9.—Valdasus favrei n. sp., 2: male paratype FC n° 5858, 9: male paratype, Ecuador USNM. 3.—Valdasus ferrerai n. sp. Male paratype FC n° 5965. 4.—Valdasus flavinotum (holotype); 5.—Valdasus henryi (holotype); 6, 10.—Valdasus schoenherri (female, Brazil); 7.—Valdasus stygius (lectotype). Scale = 2 mm.

FIGURES 11–27. Details of morphology. 11–17.—Head in anterior view. Scales = 0.5 mm. 18, 19.—Head in dorsal view. Scales = 0.5 mm. 20, 21.—First antennal segment. Scales = 0.1 mm. 22, 23.—Scutellum and mesoscutum. Scales 0.5 mm. 24, 25.—Hemelytron. Scales 0.5 mm. 26, 27.—Pronotum. Scales 0.5 mm. 11, 12, 18, 20, 22, 24, 26.—Valdasus favrei n. sp. Male holotype. 13, 19, 21, 23, 25, 27.—Valdasus ferrerai n. sp. Male holotype. 14.—Valdasus flavinotum (holotype); 15.—Valdasus henryi n. sp. (holotype); 16.—Valdasus schoenherri Stål, 1860 (♀, Brazil, USNM); 17.—Valdasus stygius (Distant) (lectotype).

FIGURES 28–33.Scanning electron micrographs. 28, 29, 31, 33.—Lateral views; 30.—Dorsal habitus; 32.—Metatarsus. 28, 29. Valdasus flavinotum. 30–32. Valdasus henryi. 33. Valdasus schoenherri.

FIGURES 40–51. Male genitalic structures. 40, 45, 48.—Endosoma (dorsal view). 41. Endosoma (ventral view) 42, 46, 49.— Left paramere (right lateral view). 43, 50. Left paramere apical process (dorsal view); 44, 47, 51.—Right paramere (left lateral view). 40–44.—Valdasus favrei. 45–47.—Valdasus flavinotum. 48–51.—Valdasus henryi. mw = medial weakly sclerotized part of ductus seminis distal part; ap = apical process; bp = basal process; lp = lateral outgrowth of left paramere apical process; pb = paramere body; sp1-sp4 = spicules of endosoma. Scale = 0.1.

FIGURES 52–60. Female genitalic structures. 52, 57.—Bursa copulatrix (dorsal view); 53, 58. Bursa copulatrix (ventral view); 54.—Posterior wall. 55, 56, 59, 60.—Ovipositor: 55, 59. Gonapophysis I, 56, 60.—Gonapophysis II. odl = lateral oviduct; s = sclerite connecting posterior portions of sclerotized ring; sd = seminal depository; sg = spermathecal gland; sr = sclerotized ring; sv = sclerotization on bursa copulatrix ventral wall. 52–56. Valdasus favrei. 57–60. Valdasus flavinotum. Scale = 0.5 mm.