Cracenpsaltria nana, Sanborn, 2019

Sanborn, Allen F., 2019, The cicadas (Hemiptera: Cicadidae) of Bolivia including the descriptions of fifteen new species, the resurrection of one genus and two species, seven new combinations, six new synonymies, and twenty-eight new records, Zootaxa 4655 (1), pp. 1-104 : 26-29

Cracenpsaltria nana n. sp.

( Fig. 3 )

TYPE MATERIAL. Holotype. “ ECUADOR: Napo Prov. / Estación Cientifica Yasuní / 00º 40’28” S, 76“ 38’50” W / IX- 5-10-1999, UV light / Coll. E.G. Riley, 215 m. ” one female ( TAMU) . Paratypes. Same data as holotype, 13 females ( TAMU), six females ( AFSC) ; BOLIVIA, Cocha. / Villa Tunari, Hotel / El Puente, ~ 400m. / II– 15–2007 / UV trap, L.B. O’Brien ” 2 females ( AFSC, from Lois O’Brien) .

REMARKS. The larger series and better condition of the Ecuadorian specimens led to the holotype being designated from that series over a Bolivian example. The green changed to testaceous in what was to be the holotype when placed in the humidity of the softening jar for a few hours. Another from that series was then chosen and was not exposed to the conditions of the softening jar to retain the original coloration so the wings are not extended in the holotype and more images of paratypes ( Fig. 3 ) are included instead of the holotype. The species has the general appearance of a small C. brasilianorum (body length 24.5–34.0 mm vs. 19.7–24.5 mm in the new species). However, there are distinctive differences in the fore femoral spines, female operculum shape, and female sternite VII that are retained across the distribution of the new species.

ETYMOLOGY. The name nana (L., nanus, a dwarf) is in reference to the small size of the species in comparison to the other known species in the genus.

DESCRIPTION. Ground color of head and thorax green marked with piceous and tawny, abdomen castaneous marked with piceous green. Green may fade or be chemically altered to testaceous.

Head. Head wider than mesonotum, green with longitudinal piceous marks on either side of midline between posterior head and frontoclypeal suture, expanding medially to meet posterior to median ocellus and along frontoclypeal suture, mark on frons reduced in some paratypes, widening on posterior margin, castaneous epicranial suture anterior arm, short longitudinal castaneous fascia on posterior cranial depression parallel to piceous mark, piceous on central vertex extending anterolaterally to anterior margin posterior to supra-antennal plate, eye margined in piceous, castaneous spot posteromedial to medial angle of eye, supra-antennal plates green with piceous anterior corners, piceous posterior to eye. Long silvery pile posterior to eye, short silvery pile on dorsum in some paratypes. Ocelli red, rosaceous in some paratypes, eyes castaneous. Ventral head green, gena with transverse piceous fascia between eye and postclypeal margin, anterior lorum green, piceous in the middle and posterior lorum castaneous, long silvery pile ventral to eye, on gena and on lorum, white pubescence on ventral head. Postclypeus with nine transverse grooves, central sulcus widening around apex and ventroposteriorly, green with piceous within transverse groove, last few posteroventral grooves green in some paratypes, connected by fascia along midline expanding laterally onto dorsal surface and posterior to last transverse ridge but not reaching ventroposterior or ventrolateral margins, white pubescence laterally, long silvery pile on posteroventral surface, short silvery pile in transverse groove and dorsally in some paratypes. Anteclypeus piceous with green carina and anterior margin, covered with white pubescence and long silvery pile. Mentum green, labium green with piceous tip, tip reaching to abdominal sternite II in females, radiating long silvery pile, denser near tip. Antennae piceous except ochraceous annulus on distal scape.

Thorax. Dorsal thorax ground color marked with piceous, castaneous and tawny. Pronotum ground color with median longitudinal piceous fascia anteriorly extending laterally onto anteromedial scutes, widening posteriorly and fusing on ambient fissure, with triangular castaneous marks on anterior discs on either side of anterior midline, piceous within all but posterior paramedian fissure, connecting anteriorly to piceous lateral fissure, mark in lateral fissure continuous in ambient fissure encircling lateral disc, curved mark extending posteriorly onto disc from middle of paramedian fissure. Pronotal collar green. Short silvery pile on disc and pronotal collar, pile in fissures in some paratypes. Mesonotum ground color, submedian sigillae piceous edged in castaneous, lateral sigillae piceous on anterior and posterior connected by lateral fascia, lateral fascia incomplete in some paratypes, central medial area green, tawny in some paratypes, margined with a thin line of castaneous along piceous section, bird shaped piceous mark on disc extending from cruciform elevation anteriorly to half length of submedian sigillae, reduced to medial fascia and two dorsolateral spots in some paratypes, scutal depressions included in piceous disc mark but separated in specimens with reduced disc mark, lateral margin and posterior mesothorax piceous. Cruciform elevation and wing groove green. Short silvery pile on disc anteriorly, laterally, and on lateral cruciform elevation, long silvery pile between anterior arms of cruciform elevation, in posterior wing groove, and on posterior margin. Metanotum green, dense silvery pile radiating from posterior margin. Ventral thoracic segments green except castaneous basisternum 2, trochantin 2, basisternum 3 and medial episternum 3, covered with white pubescence.

Wings. Fore wings hyaline with eight apical cells, hind wings hyaline with six apical cells. Venation testaceous except green costal margin and distal radius + subcostal vein, distal radius + subcostal vein piceous in some paratypes, and proximal base of anal vein 2 + 3 piceous. Basal cell longer than broad, clouded, castaneous spot on proximal base. Pterostigma present. Basal membrane of fore wing gray with dark gray posterior margin. Venation of hind wing similarly colored with castaneous anal vein 3. Anal cell 3 and anal cell 2 along anal vein 3 gray, anal cell 2 along anal vein 2 gray, gray area margined with infuscation in anal cells 2 and 3.

Legs. Coxae, trochanters, femora and proximal tibiae ground color, distal tibiae and tarsi castaneous, medial mesotarsus lighter, anterior and posterior coxae and trochanters marked with tawny, fore femora striped with piceous, middle and hind femora striped with tawny. Fore femora proximal spine forming very acute angle to femur with narrower base than secondary spine, secondary spine broadly triangular, upright to femoral axis, smaller than primary spine, and very small apical spine, primary spine ground color with darker tip, secondary spine piceous, apical spine piceous, long silvery pile radiating from ridge between spines. Pretarsal claws castaneous with piceous tips, tibial spurs and comb castaneous with piceous tips. Legs covered with long and short silvery pile.

Operculum. Female operculum castaneous with piceous base and lighter posterior margin, roughly triangular, straight lateral angled slightly mediad, posterolateral corner approximate right angle, posterior margins slightly sinuate, terminating medially at medial meracanthus, reaching to anterior of sternite II. Female meracanthus ground color medially, castaneous laterally with piceous base, triangular, curving mediad, longer than operculum reaching to middle of sternite II. Opercula and meracanthus with white pubescence, radiating silvery pile.

Abdomen. Tergites castaneous with piceous anteromedial region, percentage increasing in posterior tergites reaching green posterior margin dorsally in tergites 4–8, posterior margin green, auditory capsule piceous, tergites covered with silvery pile, long golden pile radiating from lateral tergites, denser in posterior tergites. Female abdominal segment 9 piceous, dark castaneous dorsolaterally and ventrally lateral to piceous ventral margin, tawny anteroventral corner, ground color on posterior margin and on dorsal midline anterior to piceous dorsal beak, covered with short silvery pile on dorsolateral surfaces, long golden pile radiating from ventral and ventrolateral surfaces. Posterior margin of female abdominal segment 9 sinuate. Sternites and epipleurites tawny, covered with short silvery pile and radiating long golden pile. Posterior epipleurites folded toward dorsal surface. Female sternite VII with a single medial notch, V-shaped anteriorly, with sinuate posterior margin, piceous spot on lateral surfaces.

Genitalia. Female gonocoxite IX castaneous, gonapophyses castaneous, gonapophyses IX and X with piceous tips. Ovipositor sheath not extending to length of anal styles that do not reach to terminus of dorsal beak, with radiating golden pile. Anal styles and anal tube dark castaneous.

Male is unknown.

MEASUREMENTS (MM). N = 10 females, mean (range). Length of body: 21.54 (19.7–24.5); length of fore wing: 32.12 (30.15–35.1); width of fore wing: 9.61 (8.85–10.8); length of head: 3.67 (3.4–3.85); width of head including eyes: 8.10 (7.6–9.05); width of pronotum including suprahumeral plates: 8.41 (7.65–9.45); width of mesonotum: 7.11 (6.5–8.1).

DIAGNOSIS. The new species has the general appearance of a small C. brasilianorum . The body size of the new species is smaller (body length 24.5–34.0 mm vs. 19.7–24.5 mm in the new species), primary fore femoral spines is near the femur in the new species rather than well separated from the femur surface, the secondary and apical spines both strongly angled, the female operculum barely reaches the anterior of sternite II with a posterolateral margin forming an approximate right angle in the new species rather extends over sternite II with the posterolateral margin forming an acute angle, and female sternite VII, and the lateral margin of female sternite VII forms a more acute angle in this new species.

DISTRIBUTION. The species is known from the type series collected in Bolivia and Ecuador.

Figures

FIGURE 3. Cracenpsaltria nana n. sp.: A, holotype female (left) and paratype female (right) habitus; B, holotype female dor- sum; C, paratype female operculum; D, paratype female lateral view of genitalia; E, paratype female ventral view of genitalia. Scale bar: A, 2 cm; B, 5 mm; C–E, 2 mm.