Ulavius radhamaniae, VIRAKTAMATH & YESHWANTH, 2024

VIRAKTAMATH, C. A. & YESHWANTH, H. M., 2024, Arboreal eurymeline leafhoppers (Hemiptera: Cicadellidae: Eurymelinae) of the Indian subcontinent with description of new genera and eight new species, Zootaxa 5462 (1), pp. 1-125 : 93

Ulavius radhamaniae sp. nov.

Figs 50A–J .

Diagnosis. Externally very similar to U. poornachandrai in coloration and structure, but the male genitalia superficially resemble those of U. jayashriae and U. parvathiae . U. radhamaniae differs from the latter two species in having a style with hooked apex, aedeagal shaft sinuate and about as long as the preatrium; it differs from U. poornachandrai in having the aedeagal shaft more or less in line with preatrium and not subtended at an angle as in the former.

Description. Coloration similar to that in U. poornachandrai but little darker and clypellus dark brown to almost black both in darker and paler specimens.

Crown 3.6–4.0× as wide between eyes as long medially. Pronotum about 2.4× as long as median length of crown and also as wide as long medially. Mesonotum distinctly longer than combined length of crown and pronotum.

Male genitalia. Pygofer with ventral margin sinuate, anal collar process curved dorsally near apex and exceeded dorsal margin of pygofer. Style with hooked distal apex. Aedeagus with well-developed preatrium about as long as aedeagal shaft, in line with short dorsal apodeme, shaft sinuate, with subapical angulate projection on ventral surface slightly ventrad of gonopore, shaft attenuated beyond gonopore and curved.

Female. Unknown.

Measurements. Male 5.0– 5.1 mm long, 1.8 mm wide across eyes.

Material examined. HOLOTYPE ♂, INDIA: Karnataka: Sirsi: Navanagere, 28.iv.2005, at Light, Radhamani, T. R. ( UASB). Paratypes, 7 ♂, data as for holotype ( BMNH, UASB, NBIR). 3 ♂, INDIA: Karnataka: Makuta, April 2005, ex Vateria indica canopy, Y. B. Srinivasa ( UASB).

Etymology. This species is named after Dr. Radhamani, T.R. who collected the species from Sirsi area.

Remarks. Both U. poornachandrai and U. radhamaniae are very similar externally and probably U. radhamaniae also has long ovipositor exceeding folded forewings at repose (at present this species is known only by males).

Figures

FIGURES 50A–J. Ulavius radhamaniae sp. nov., holotype male: A–B, habitus, dorsal and lateral views; C, face; D–E, male genital capsule, lateral views; F, connective; G, style apices, different views; H, style, connective and aedeagus lateral view; I, aedeagus, dorsal view; J, aedeagus, lateral view.