Cephalalna tulearensis, Sanborn, 2021

Sanborn, Allen F., 2021, The cicadas (Hemiptera: Cicadoidea: Cicadidae) of Madagascar including a new tribe, five new genera, twelve new species, four new species synonymies, five revised species status, ten new combinations, new tribal assignments for four genera, one new subtribe synonymy, a checklist and key to the species, Zootaxa 4937 (1), pp. 1-79 : 68-71

publication ID

https://doi.org/ 10.11646/zootaxa.4937.1.1

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scientific name

Cephalalna tulearensis

sp. nov.

Cephalalna tulearensis View in CoL n. sp.

( Fig. 12 View FIG )

Type material.— Holotype. “ MADAGASCAR: Tulear / Province , Berenty Special / Reserve, elev. 35 m, / 8 km NW Amboasary / 22—30 November 2003 // 25º 01.26’S, 46º 18.33’E / California Acad of Sciences / colls: M. Irwin, F. Parker, / R. Harin Hala. Malaise trap / spiny forest MA-02-22A-04 // CASENT / 8082025” male ( CASC) ( CASTYPE number 20150) GoogleMaps . Paratype. “ MADAGASCAR: Tulear / Province , Berenty Special / Reserve, elev. 85 m, / 8 km NW Amboasary / 27 Dec 2002 — 7 Jan 2003 // 25º 00.40’S, 46º 18.20’E / California Acad of Sciences / colls: M. Irwin, F. Parker, / R. Harin Hala. Malaise trap / gallery forest MA-02-22-11 //CASENT / 8082001” one female ( AFSC) GoogleMaps .

Etymology.—The name is a combination of tulear – for the province of origin and –ensis (L. suffix denoting place) in reference to the known distribution of the species.


Body ochraceous lightly marked with castaneous. Ochraceous is most likely green in fresh specimens based on small greenish areas on the bodies and the congeneric species.


Head not as wide as mesonotum, ground color with curved castaneous mark on posterior median ocellus and anteromedial lateral ocelli. Ocelli rosaceous, eyes ochraceous but can see castaneous cells that retracted from surface chitin deeper in eye. Dorsum with short silvery pile, denser and slightly longer posterior to eye. Ventral head ground color covered with short and radiating long silvery pile on lorum and gena. Postclypeus ground color, central sulcus on dorsum and ventral surfaces but not around apex, four transverse grooves on dorsal surface, ten transverse grooves on ventral surface, ten transverse ridges around apex castaneous, castaneous restricted to lateral portions of paratype transverse ridges, short silvery pile on transverse ridges, long silvery pile radiating from postclypeus. Anteclypeus ground color with castaneous on posterior margin, covered with short and long silvery pile. Mentum ground color, labium ground color laterally striped with castaneous distally expanding to castanaeous tip, rostrum radiating short silvery pile, reaching to anterior of hind coxae. Scape ground color, pedicel and flagellar segment ground color proximally, castaneous distally.


Pronotum ground color with castaneous markings in anterior paramedian fissure, posterior lateral fissure, mark in lateral fissure extending posteriorly, more obvious in holotype than paratype, non-symmetrical light castaneous mottling on discs. Pronotal collar ground color. Pronotum covered with sparse, short silvery pile, denser in fissures. Mesonotum ground color except light castaneous anterior to cruciform elevation including scutal depressions, dark castaneous across central region of anterior arm of cruciform elevation, expanding on anterior half of lateral cruciform elevation and posteromedial corner of mesonotum next to cruciform elevation, central cruciform elevation lightly castaneous in paratype, irregular mottling of sigillae where muscles attach internally. Dorsal mesonotum with short silvery pile, denser long silvery pile between anterior arms of cruciform elevation, between anterior and posterior arms of cruciform elevation, on posterior mesonotum, and in wing groove. Metanotum ground color, short silvery pile on posterior metanotum. Ventral thoracic segments ochraceous, covered with short silvery pile, long silvery pile radiating from anepisternum 2 and trochantin 2.


Fore wings and hind wings hyaline with eight and five apical cells respectively. Venation ground color except small castaneous spot at base of costal margin. Basal cell about five times longer than broad. Pterostigma present, extending slightly beyond radial crossvein. Basal membrane of fore wing light gray mottled with orange. Hind wing venation ground color. Basal plaga, anal cell 3 along anal vein 3, anal cell 2 along anal veins 2 and 3, and anal cell 1 along anal vein 2 light gray, plaga mottled with orange.


Legs ground color marked with castaneous. Anterior and lateral coxae and femora striped with castaneous, tibiae castaneous distally, amount of castaneous reducing in each posterior pair of legs, fore and middle leg tarsi castaneous with lighter mesotarsus, hind leg tarsi ground color with castaneous distal pretarsus, pretarsal claws ground color proximally, castaneous distally. Fore femora with primary spine angled, secondary spine with broad base, larger than primary spine, upright, spines dark castaneous with lighter tips. Tibial spurs and tibial comb castaneous with darker tips. Legs radiating long golden pile. Male meracanthus an elongated triangle, curved mediad, ochraceous with light castaneous base, not reaching middle of male operculum. Female meracanthus similar to male except almost reaching posterior of operculum.


Male operculum ochraceous, roughly triangular with apex at junction of abdominal sternites and epipleurites, lateral margin sinuate, posterior margin curved forming an approximate right angle, reaching to posterior of sternite II, rounded medial margin forming another approximate right angle, medial margins not reaching medially to swelling of abdominal sternite I, covered with short silvery pile. Female operculum smaller than male operculum with more rounded posterior margin, with curved posterior margin, reaching to medial meracanthus medially, posteriorly almost reaching posterior of sternite II, covered with short silvery pile.


Abdominal tergites ground color covered with short silvery pile. Timbal cover absent, timbal completely exposed, with nine ribs, ventral side of each rib flat, dorsal side arched. Sternites ground color, posterior margins of sternites III–VI darker in female paratype, sternites covered with short silvery pile, longer pile radiating from male sternites I and II. Epipleurites ground color lightly margined medially with castaneous, darker in epipleurite 7. Male sternite VIII ground color, radiating long silvery pile, V-shaped when viewed from posterior. Female sternite VII ground color with single, short open U-shaped notch, posterior margin on either side of notch curved about half sternite length to rounded posterolateral margin. Female abdominal segment 9 ground color with castaneous mark on anterolateral margin and ochraceous medioventral margins, dorsal beak castaneous, covered with short silvery pile, radiating long silvery pile from lateral and ventral regions. Dorsal beak not extending as long as castaneous anal styles. Posterior margin of abdominal segment 9 sinuate.


Male pygofer ground color, distal shoulder extended with rounded terminus, ventral margin of pygofer recurved mediad producing a pair of tube-like structures on each side of anal styles when viewed from posterior, dorsal beak elongated triangle, light castaneous. Upper pygofer lobe absent, pygofer basal lobes elongated, flattened with rounded tip, almost meeting medially, covering most of ventral side of pygofer base. Anal styles and anal tube light castaneous. Uncus light castaneous, elongated, flattened with semicircular terminus, lateral flange smoothly curved to base, uncus forms V-shaped notch for supporting aedeagus. Aedeagus tubular with ochraceous terminal membrane and single curved extension.

Female gonocoxite IX and gonapophysis IX ground color, gonapophysis X castaneous. Ovipositor sheath short, not reaching anal tube and anal styles. Long silvery pile radiating from ovipositor sheath.

Measurements (mm).—N = 1 male or 1 female. Length of body: male 19.40, female 18.50; length of fore wing: male 23.85, female 26.10; width of fore wing: male 7.65, female 8.00; length of head: male 3.55, female 3.45; width of head including eyes: male 4.70, female 5.05; width of pronotum including suprahumeral plates: male 6.10, female 6.60; width of mesonotum: male 5.15, female 5.75.

Diagnosis.—Both species of the genus are green with castaneous feet with the new species appearing as a much larger version of C. francomontanum . The new species can be distinguished from C. francomontanum by the wingspan being greater than or equal to 90 mm in the new species rather than less than 40 mm, the body length being greater than or equal to 30 mm in the new species rather than less than 18 mm, fore wing basal cell length is about five times the distal width in the new species but six times the width in C. francomontanum , nine timbal ribs in the new species rather than eight timbal ribs, the large, flattened pygofer basal lobes almost meeting medially and covering most of the ventral side of the base of the pygofer in the new species rather than having pygofer basal lobes extending along the pygofer lateral margin, and the postclypeus is smoothly curved on the ventral side when viewed from the side in the new species rather than having an obtuse angle as it does in C. francomontanum .

Distribution.—The species is only known from the type series collected in Berenty Special Reserve, Tulear province, southern Madagascar.













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