Chilecicada trifascia, Sanborn & Cole & Stukel & Łukasik & Veloso & Gonzalez & Karkar & Simon, 2021

Sanborn, Allen F., Cole, Jeffrey A., Stukel, Mark, Łukasik, Piotr, Veloso, Claudio, Gonzalez, Valorie A., Karkar, Jessica B. & Simon, Chris, 2021, Thirteen new species of Chilecicada Sanborn, 2014 (Hemiptera: Auchenorrhyncha: Cicadidae: Tibicininae) expand the highly endemic cicada fauna of Chile, Zootaxa 5078 (1), pp. 1-70 : 50-53

Chilecicada trifascia n. sp. Sanborn

Fig. 12 (morphology), Plate 1 (live habitus), Plate 5 (distribution)

Type material. Holotype. “14.CL.LI.TDF.430 / -34.9566, -70.4366 / 14. XII.2014 Piotr Lukasik” ♂ ( UCMS). The code 14.CL.LI.TDF refers to Sierra del Vista area, -34.8258, -70.7418, O’Higgins Region, Chile. The GPS data on the specimen label are incorrect.

Etymology. The name is a combination of tri - (L. tri-, thrice) and - fascia (L. fascia, band, stripe) in reference to the three longitudinal piceous stripes on the postclypeus of this species.

Description. Ground color testaceous marked with piceous and castaneous with green costal margin, radius & subcostal vein and basal veins of fore wing, faded to ochraceous in holotype due to ethanol exposure. The green was diagnostic when fresh. Body covered with silvery pile.

Head. Head slightly wider than mesonotum, dorsal head piceous except ground color anterior margin of supraantennal plate, anteromedial corner of vertex and posteriorly expanding mark on posterior half of epicranial suture, castaneous mark on posterior head posterior to posterior cranial depressions, short golden pile and longer white pile on dorsal head, long silvery pile posterior to eye. Ocelli rosaceous, eyes dark castaneous margined proximally with ground color. Gena piceous centrally and laterally with ground color anterior, medial and posteromedial margins along lorum, lorum piceous with ground color anterior and lateral margins, castaneous spot in middle, short white pile and radiating long white silvery pile on lorum and gena. Postclypeus ground color with piceous transverse grooves, central sulcus and longitudinal fascia connecting lateral transverse grooves, 12 transverse grooves, dorsum piceous, short silvery pile laterally, dorsally and within central sulcus. Anteclypeus piceous with ground color anterolateral margin and fascia on posterior carina near posterior margin, medial anterior margin castaneous, covered with short white pile. Mentum ground color with anteriorly expanding lateral castaneous mark, labium piceous, rostrum radiating long silvery pile, reaching to posterior of middle trochanters. Scape castaneous, remaining antennal segments piceous.

Thorax. Pronotum ground color, piceous fascia on either side of midline between anterior fissure and pronotal collar, anterior, lateral and posterior ambient fissures, all but medial paramedian fissure, and lateral fissures piceous, irregular longitudinal mark extending onto disk between paramedian and lateral fissures but not reaching lateral fissure, small piceous spots on disk just posterior to central paramedian fissure and anterior and posterior to middle of lateral fissure. Pronotal collar ground color with piceous expanding onto anterior half from ambient fissure, fascia from lateral ambient fissure to lateral margin, expanding posterolaterally to anterior margin of pronotal collar lateral angle. Pronotum with short white pile, denser in fissures. Mesonotum ground color, posterior to submedian sigilla and medial to lateral sigilla castaneous, submedian sigilla piceous, piceous fused anteromedially, lateral sigilla piceous, anchor-shaped piceous mark on central disk posterior to submedian sigilla, scutal depressions and between anterior arms of cruciform elevation piceous fusing on midline with posterior of anchor-shaped mark, mark extends along anterior midline of cruciform elevation, anterior half of lateral cruciform elevation piceous, wing groove ground color with castaneous fasciae anteromedially and anterolaterally. Metanotum ground color with piceous anterior midline and anterolateral, mediolateral and posterolateral fasciae. Dorsum with sparse white pile, longer and denser between anterior arms of cruciform elevation, between anterior and posterior arms of cruciform elevation, and in wing groove. Ventral thoracic segments ground color except piceous on basisternum 2, medial anepisternum 2, central trochantin 2, meron 2, medial margin of katepimeron 2, all but margins of basisternum 3, all but margins of episternum 3 and trochantin 3. Ventral segments covered with dense short white pile.

Wings. Fore wings and hind wings hyaline with eight and six apical cells respectively. Venation ochraceous proximally, becoming piceous distally, costal margin and radius & subcostal vein ochraceous with castaneous spot on base, anal vein 2 + 3 piceous. Basal cell cloudy, about 3.86 times longer than broad. Pterostigma present. Basal membrane of fore wing orange mottled with red. Hind wing venation similarly colored except castaneous anal vein 2 and anal vein 3, castaneous spot on wing base. Basal plaga, anal cell 3 along anal vein 3 to terminal curve, anal cell 2 along anal veins 2 and 3 to terminal curve, proximal anal cell 1, proximal medial cell and proximal costal cell with orange mottled with red, infuscation in anal cell 3 and anal cell 2 bordering orange and red area.

Legs. Legs ground color, proximal coxae piceous, coxae, trochanters and femora striped with castaneous, fore tibiae with piceous spot proximally with castaneous fascia and distally castaneous, tibial spurs and tibial combs ground color proximally with castaneous tips, tarsi castaneous except piceous fore and middle metatarsus, dark ground color ventral and lateral mesotarsus with piceous distal piceous margin, and piceous distal pretarsus, pretarsal claws dark ground color base with piceous tips. Fore femora with primary spine almost upright, secondary spine triangular, upright, and small tertiary spine, primary and secondary spines ground color with piceous tips, tertiary spine ground color. Segments with short white pile and radiating long white pile. Male meracanthus ground color with piceous spot on base, base with parallel sides, extending as an elongated triangle reaching slightly beyond operculum posterior margin but not reaching anterior of sternite II.

Opercula. Male opercula ground color with piceous spot on lateral base and piceous medial margin, lateral margin angled slightly mediad, curved posterolateral margin, posterior margin straight but curled ventrally, rounded medial margin, anteromedial margin curving around meracanthus to base, posteriorly not reaching to anterior of sternite II, well separated medially reaching lateral meracanthus, covered with short white pile, long white pile radiating from operculum.

Abdomen. Abdominal tergite 1 with ground color anterior and posterior margins, transverse piceous fascia connecting to anterodorsal timbal cavity, tergite 2 with piceous interior timbal cavity, tergites 2–8 piceous anteriorly bordered posteriorly with castaneous and thin ground color posterior margins, lateral margin castaneous, tergites covered with short white pile, denser on lateral tergites, long white pile radiating from lateral tergite 7 and lateral and dorsal tergite 8. Timbal cover a thickened rim, timbal completely exposed with 13 long ribs and 11 intercalary ribs. Male sternite I ground color with piceous anterior margin, sternite II with small piceous spots on either side of midline near anterior margin, fusing on midline and extending to posterior margin, piceous spots on anterior margin in middle of tympanal cavity, auditory capsule piceous with greenish anterior margin, sternites III–VII castaneous with lighter posterior margin, sternite III with piceous anterior margin expanding into triangular spot on anterior midline. Epipleurites castaneous with piceous spot, spot becoming proportionately larger in posterior epipleurites. Sternite VIII castaneous, dorsal margin with slightly curved lateral margin and transverse posterior margin, Vshaped when viewed from posterior. Sternites and epipleurites with short white pile and radiating long white pile, longer on sternites VII and VIII.

Genitalia. Male pygofer piceous with ground color ventral margin, distal shoulder undeveloped, smoothly curved, not reaching to anal tube, dorsal beak absent, pygofer with short white pile dorsally and posteriorly. Upper pygofer lobe absent, pygofer basal lobes elongated, adpressed to lateral pygofer, flattened, curving dorsally at oblique angle, extending more than half pygofer length, widening to curved apex, apex convex laterally and concave medially forming a spoon-like terminus, apex against lateral pygofer margin. Anal styles piceous with ground color posterior margin, radiating short white pile, anal tube piceous with ground color posterior margin. Median uncus lobe piceous, elongated, undivided, angled posteriorly from base, distal half curved anteriorly, posterior surface curled medially, widening laterally from base before tapering to slightly notched posterior margin, small ridge on dorsal surface midline, ventral surfaces meeting medially except for slit on underside of curved portion for extension of aedeagus. Distal aedeagus not visible, basal aedeagus tubular, dark castaneous.

Female is unknown.

Measurements (mm). n= 1♂. Length of body: 17.05; length of fore wing: 18.00; width of fore wing: 6.35; length of head: 2.55; width of head including eyes: 5.55; width of pronotum including suprahumeral plates: 5.60; width of mesonotum: 5.35.

Song. Unknown.

Diagnosis. This new species can be distinguished from all known species of Chilecicada by the three piceous longitudinal fascia on the ventral postclypeus. In addition, this new species can be distinguished by having in combination a body length about 17.05 mm, fore wing length about 18.00 mm, fore wing basal cell about 3.86 times longer than broad, ground color proximal fore wing basal cell, no fascia separating the fore wing costa and radius + subcostal veins, an elongated meracanthus with parallel-sided base and triangular terminus, a piceous mark on the medial opercular margin, posteromedial operculum margin straight and curved ventrally, abdominal epipleurites with a central spot, and an uncus that is piceous with ground color tip with the distal third curving to the terminus.

Distribution. The species is known only from the holotype collected in the area of Sierra del Vista, O’Higgins Region, central Chile.

Figures

PLATE 1. Living habitus of Chilecicada species. A. C. citatatemporaria PARATOPOTYPE, Región de Valparaíso, Provincia de Petorca; B. C. culenesensis PARATOPOTYPE specimen PL714, Región Metropolitana; C. C. impartemporaria PARATYPE, Región de Valparaíso, Provincia de Petorca; D. C. magna HOLOTYPE specimen JM037, Región del Maule; E. C. mapuchensis HOLOTYPE specimen PL518, Región Metropolitana; F. C. occidentis Región Metropolitana, Provincia de Santiago; G. C. oraria PARATOPOTYPE, Región del Maule, Provincia de Cauquenes; H. C. parrajaraorum HOLOTYPE specimen PL722, Región O’Higgins; I. C. partemporaria; J. C. pehuenchesensis PARATYPE specimen PL516, Región Metropolitana; K. C. trifascia HOLOTYPE specimen PL430, Región O’Higgins; L. C. trifasciunca PARATOPOTYPE specimen PL515, Región Metropolitana; M. C. viridicitata PARATOPOTYPE, Región O’Higgins, Provincia de Cochagüa.

PLATE 5. Distribution of Chilecicada from records reported in this work.

FIGURE 12. Chilecicada trifascia n, sp.: A, Holotype male habitus; B, holotype male dorsum; C, holotype male timbal; D, holotype male operculum; E, holotype male lateral view of genitalia; F, holotype male posterior view of genitalia; G, holotype male ventral view of postclypeus illustrating three longitudinal fascia. Scale bar: A, 2 cm; B, 2 mm; C–G, 1 mm.