Carineta digitata, Sanborn, 2020

Sanborn, Allen F., 2020, The cicadas (Hemiptera: Cicadidae) of Peru including the description of twenty-four new species, three new synonymies, and thirty-seven new records, Zootaxa 4785 (1), pp. 1-129 : 68-70

Carineta digitata n. sp.

( Fig. 10 )

TYPE MATERIAL. Holotype. “ PERU: Dept. Cusco / Kosñipata Vy., San / Pedro 16–19-XI-2009, / J. Heppner, C. Carrera, / E. Huamani, 1368m ” male ( FSCA).

REMARKS. This is the first of three very small species of Carineta with an obviously triangular head, and minimal markings restricted to the mesothorax and dorsal abdomen. The basal pygofer lobe appendage is unique among species of Carineta .

ETYMOLOGY. The name is in reference to the finger-like extensions of the basal lobe appendage in this species (L. digitatus, having fingers).

DESCRIPTION. Ground color of head and thorax greenish and tawny marked with piceous, fresh specimens may be primarily green, abdomen castaneous marked with piceous.

Head. Head not as wide as mesonotum, ground color radiating long piceous pile, long silvery pile posterior to eye. Ocelli rosaceous, eyes ochraceous. Gena, lorum, postclypeus and anteclypeus ground color, with long silvery and radiating long piceous pile. Postclypeus centrally sulcate with ten transverse ridges. Gena, lorum, lateral postclypeus and anterolateral anteclypeus with white pubescence. Mentum ground color, labium ground color with piceous near tip surrounded proximally and distally with castaneous. Rostrum reaching to posterior of hind coxae. Scape ground color, remaining antennal segments castaneous, becoming darker distally.

Thorax. Dorsal thorax greenish and tawny marked with castaneous and piceous. Medial and anterior margin of prothorax greenish, disks tawny, sparse silvery pile on anterior and in ambient fissure, pronotum radiating long piceous pile. Pronotal collar greenish with light tawny lateral angle of pronotal collar, radiating dense, long piceous pile. Mesothorax greenish with tawny sigillae, piceous posterior margin of submedian sigillae, thicker around posterior angle, castaneous spot on posterolateral corner of mesonotum, castaneous between anterior arms of cruciform elevation extending anteriorly along midline and including scutal depressions laterally. Sparse silvery pile on dorsum, longer and denser in wing groove, on posterior margin and between anterior arms of cruciform elevation, on lateral cruciform elevation, dense, long piceous pile radiating from dorsum. Metanotum greenish with dark castaneous mark anterolaterally, radiating silvery pile on posterior margin. Ventral thoracic segments greenish-ochraceous, covered with long silvery pile, long piceous pile radiating from anepisternum 2.

Wings. Fore wing and wings hyaline with eight and six apical cells respectively. Venation green at base becoming piceous distally except piceous on base and distal half of anal vein 2 + 3, basal cell clear, pterostigma present, light longitudinal infuscation fore wing apical cells extending onto wing marginal area, wing margin infuscated, castaneous spot on base, basal membrane of fore wing grayish. Hind wing venation coloration similar to fore wing except piceous spot on junction of anal veins 2 and 3, castaneous anal vein 3 and piceous anal vein 2, anal vein 3 less than half the length of anal vein 2 with curved terminus. Anal cell 3, anal cell 2 along anal vein 3 and along anal vein 2, and anal cell 1 along anal vein 2 grayish, infuscation along gray in anal cell 2 and distal marginal area of hind wing.

Legs. Legs ground color except castaneous striped femora, distal tibiae, distal pretarsi, and pretarsal claws. Fore femora with proximal spine straight, longest, forming acute angle to femoral axis, secondary spine perpendicular at base and curving distally, tertiary spine slightly smaller and perpendicular to femoral axis, spines castaneous with darker tips, apical spine very small ground color. Tibial spurs and combs castaneous. Legs covered with long silvery pile. Meracanthus broadly triangular, pointed, ground color with castaneous basal margin, extending posteriorly beyond anteromedial opercular margin.

Opercula. Male operculum greenish-ochraceous, roughly square at base with finger-like extension from posteromedial corner, castaneous spot anterolaterally, ochraceous rectangular lateral extension from base, short, straight lateral margin posterior to the extension, lateral margin smoothly curved to sinuate posterior margin, covered with short silvery pile and radiating long silvery pile, lateral margin extending ventrally at right angle from base, medial margins roughly semicircular, not meeting medially extending to medial meracanthus, anteromedial margin transverse to lateral meracanthus where it curves anteriorly to base, not covering tympanum anteromedially or posteriorly, reaching to anterior of sternite II only posterolaterally.

Abdomen. Abdominal tergites castaneous, all but tergite 8 with piceous posterior dorsolateral margins, auditory capsule piceous, tergites covered with short silvery pile, long silvery pile radiating from posterior of timbal cavity, long piceous pile on lateral tergites 6 and 7 and all of tergite 8. Timbal cover absent, timbal exposed but only lateral margin visible. Male sternites castaneous, sternite II with piceous spot on either side of posterior midline, sternites III–VI with darker posterior margin, epipleurites castaneous with darker medial and posterior margin, sternite VIII castaneous with dark lateroposterior margin, expanding from base, angled mediad to pointed terminus, short silvery pile on ventral segments, long silvery pile radiating from sternites, very dense on midline of sternite II, long piceous pile radiating from sternites VII and VIII.

Genitalia. Male pygofer greenish-tawny with dark castaneous dorsal beak, pygofer covered with short silvery pile and radiating long piceous pile. Dorsal beak narrow, extending beyond piceous anal styles. Pygofer basal lobe angled slightly laterad at base, curving mediad extended with flattened distal terminus angled mediad with curved medial margin and transverse posterior margin, radiating long, dense golden pile. Basal lobe appendage castaneous with large base, roughly rectangular with curved medial margin, thin, flattened extension from posteroventral corner of base, curving posteriorly, crossing over midline and terminating in two finger-like extension, posterior extension larger and longer. Upper pygofer lobes flattened, short, adpressed to pygofer, curved mediad with rounded terminus, radiating dense, long golden pile. Claspers meeting medially at base, view obstructed by dense, long golden pile of basal and upper pygofer lobes. Aedeagus tubular, castaneous.

Female is unknown.

MEASUREMENTS (MM). N = one male. Length of body: 13.35; length of fore wing: 19.35; width of fore wing: 6.95; length of head: 2.65; width of head including eyes: 4.70; width of pronotum including suprahumeral plates: 5.90; width of mesonotum: 4.80.

DIAGNOSIS. This is the first of the three species of small Carineta that possess mesothoracic markings and lack prothoracic markings along with C. quadrofastigiata n. sp. and C. tricuspis n. sp. Carineta digitata n. sp. can be distinguished from C. quadrofastigiata n. sp. by the lack of a primarily castaneous abdomen, expanded piceous markings on the medial submedian sigillae, anterior and lateral mesothoracic margins, the fore femora spines are not parallel, and the four extensions on the end of the basal pygofer lobe appendage found in C. quadrofastigiata n. sp. Similarly, C. tricuspis n. sp. can be distinguished by the lack of a primarily castaneous abdomen, the complete markings on the medial submedian sigillae margin, and the three finger-like extensions on the end of the basal pygofer lobe appendage found in this species.

DISTRIBUTION. The species is known only from the type specimen collected in Cusco Department , Peru.

Figures

FIGURE 10. Carineta digitata 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. Scale bar: A, 2 cm; B, 5 mm; C–D, 2 mm; E–F, 1 mm.