Tanna kimtaewooi , Lee, Young June, 2010

Lee, Young June, 2010, A checklist of Cicadidae (Insecta: Hemiptera) from Cambodia, with two new species and a key to the genus Lemuriana, Zootaxa 2487, pp. 19-32: 22-24

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Tanna kimtaewooi

sp. nov.

12. Tanna kimtaewooi  sp. nov.

( Fig. 1View FIGURE 1)

Type material. Holotype: male ( Fig. 1View FIGURE 1 A, B), CAMBODIA, Seima, 12–15 VII 2009, T. Kim ( NIBRAbout NIBR). Paratypes: 2 females, same data as holotype ( NIBRAbout NIBR).

Etymology. The new species is named for the collector of cicadas from Cambodia, including this new species, Dr. Taewoo Kim.

Measurements of types (in mm, 1 male, 2 females). Length of body: male 21.8, female 17.1 (17.0– 17.1); width of head including eyes: male 6.3, female 6.4 (6.3–6.4); wing span: male 56.2, female 55.1 (54.9–55.3).

Diagnosis. This species is distinguished by the considerably smaller body (male 21.8 mm) than its congeners (males at least 28.0 mm but up to 43.5 mm) although it retains typical features of Tanna  such as the following: mesonotum with a pair of longitudinal sublateral fasciae (not dots as in many Purana  species); apical cells of fore wing extremely short; male operculum triangular; tubercle on male abdominal sternite III projecting laterad with roundly expanded apex; uncus simple and curved inward; aedeagus thick, nearly as thick as apex of uncus. The combination of the following characteristics can be also used to identify this species: postclypeus without distinct marks (with some marks in most of other species); disc of pronotum concolorous to pronotal collar (not concolorous in most of other species); lateral sigilla of mesonotum with outwardly curved longitudinal fascia delicate (very thick patch in most of other species); tubercles on abdominal sternites dark brown to black apically (paler in most of other species); abdominal sternite V with a pair of minute tubercles on lateral surfaces (tubercles absent on sternite V in most of other species).

Description of male ( Fig. 1View FIGURE 1 A, B). Body ochraceous to light brown with brown to black marks. Head with a pair of spots on vertex, median spot enclosing ocelli, with its anterior and posterior tips not reaching frontoclypeal suture or posterior margin of head, and several other pairs of indistinct spots. Distance between lateral ocelli and compound eyes about as wide as twice distance between lateral ocelli. Antennae fuscous.

Postclypeus, anteclypeus, and lorum without distinct marks. Rostrum fuscous apically; passing centre of sternite I. Gena with spot between postclypeus and compound eye.

Inner area of pronotum with a pair of central longitudinal fasciae broadened at both anterior and posterior ends, narrow median transverse fascia along anterior margin of pronotum, a pair of rather indistinct curved fasciae along lateral margins of inner area, and a few other pairs of indistinct spots. Pronotal collar with narrow transverse fascia along posterior margin and a pair of small indistinct spots at lateral inner corner. Anterolateral pronotal collar not dentate.

Mesonotum with long median longitudinal fascia, a pair of small roundish spots enclosing scutal depressions, a pair of inwardly curved fasciae along parapsidal sutures, and a pair of outwardly curved long longitudinal fasciae on lateral sigilla. Cruciform elevation with fuscous anterior subapical parts. Thoracic sternites without distinct marks.

Legs without distinct marks. Fore-femur with small subapical spine as well as primary and secondary spines, all entirely black. Fore-, mid-, and hind pretarsal claws fuscous apically.

Wings hyaline. Fore wing with infuscation at bases of apical cells 2 and 3. Rather indistinct spot appearing on each hind margin of veins radius anterior 2 (RA 2), radius posterior ( RP), median veins 1–4 (M 1–4), and cubitus anterior 1 (CuA 1). Basal membrane grayish ochraceous. Hind wing jugum grayish ochraceous.

Operculum with fuscous lateral margin; upside-down triangular with inner margin deeply concave at basal half, outer margin slightly convex at about middle, and posterior angle rounded, and apex far beyond posterior margin of sternite II. Two opercula widely separated, with gap about as wide as operculum.

Abdomen obconical, much longer than distance from head to cruciform elevation. Tergites 7 9 darker than other tergites. Tergites 3, 4, 5, and 6 each with a pair of lateroposterior fuscous patches. Caudal margins of each tergite very narrowly fuscous. Posterior margin of tergite 3 wider than anterior margin of mesonotum. Timbal cover semicircular, laterally margined with fuscous. Timbal concealed with timbal cover in dorsal view. Sternites III, IV, and V each with a pair of tubercles on lateral surfaces: tubercles on sternite III very big, apically black, protruding obliquely laterad; tubercles on sternite IV small, dark brown, protruding posterolaterad; tubercles on sternite V minute, dark brown, protruding obliquely posteriad.

Male genitalia ( Fig. 1View FIGURE 1 C, D): Pygofer oval in ventral view. Uncus simple, undivided, gradually narrowed toward apex, and with widely truncate apex in ventral view; gently curved inward in lateral view. Aedeagus thick, about as wide as uncus apex, slightly protruding from under uncus. Distal shoulder of pygofer roundish. Dorsal beak short, obtusely triangular. Basal lobe of pygofer absent.

Description of female ( Fig. 1View FIGURE 1 E, F). Operculum with fuscous lateral margin; apex slightly beyond posterior margin of sternite II. Abdominal sternites III–VII each with fuscous fascia along posterior margin. Abdominal segment 9 dorsally with a pair of longitudinal fuscous lateral marks on about anterior two-thirds. Ovipositor sheath fuscous, slightly beyond segment 9. Dorsal beak longer than protruding part of ovipositor sheath.


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