Adoretus ( Chaetadoretus ) mckameyi, Limbourg, 2016

Adoretus ( Chaetadoretus) mckameyi View in CoL sp. nov.

( Figs 69-70, 73-74)

TYPE MATERIAL. Holotype ♂: [ Coll. I.R.Sc.N.B., TANZANIA: Iringa, Mufindi Dist. Uzungwa Scarp For. Res. ( 8°31.58’S / 35°54’E), elev. 750m, 11.III.1996, UV 29-C5, McKamey et al. Canopy] [ Coll. I.R.Sc.N.B., I.G.: 32.941] ( RBINS). GoogleMaps

Paratype ♀: [ Coll. I.R.Sc.N.B., TANZANIA: Iringa, Mufindi Dist. Uzungwa Scarp For. Res. ( 8°32.08’S / 35°52’E), elev. 1370m, 18.III.1996, UV 31-C4, McKamey et al. Canopy] [ Coll. I.R.Sc.N.B., I.G.: 32.941] ( RBINS) GoogleMaps .

DESCRIPTION

Male

Measurements and ratios ♂ (n = 1): LB: 11 mm, lB: 5 mm; LB/lB: 1.62; LP/lP: 0.36; LE/lE: 1.36.

Body: laterally convex, relatively elongate, slightly bent, broader in middle of elytra; abdomen concave; process at base of prosternum pointed; deep brown except antennae yellowish; shining with greenish metallic reflection.

Head: broad; clypeus rounded, entirely reflexed, totally covered with tubercles; vertex transversely striated; base of frons with elongate transversal points; antennae 9-segmented, with club as long as funicle.

Thorax: pronotum rather rectangular, strongly narrowed in the middle, broader than long; sides angular in middle; all margins carinate; anterior angles projecting and reaching posterior margin of eyes; separated crescent shaped points; deep median groove; impressed point on lateral margins; scutellum triangular; deep short rounded points.

Elytra: longer than broad; epipleura complete; costae slightly elevated; intervals with rounded points; striae formed by a line of close rounded points; humeral and apical calli slightly marked.

Pygidium: rounded, carinate along anal plate, slightly projecting postero-ventrally and not surpassing apex of elytra.

Legs: protibiae tridentate, apical tooth pointed; larger claw elongate, longer than last tarsomere; pro-and mesotarsal larger claw cleft; larger claw of metatarsus 1/3 times longer than smaller and uncleft.

Hairs: upper side covered with short white, squamous, decumbent setae and some long white erected flattened scales; canthus, anterior angles of pronotum and lateral margins of elytra with long, brown, separated erected setae; sternites and meso-and metafemora with short white, squamous decumbent or erected setae; close and longer on metasternum; pygidium with disc showing longer erected white setae and apex glabrous.

Aedeagus: in lateral view, parameres perpendicular; in dorsal view, parameres dorsally broader and short, apically strongly concave and divergents.

Female

Measurements and ratios ♀ (n = 1): LB: 11 mm, lB: 5.5 mm; LB/lB: 1.62; LP/lP: 0.34; LE/lE: 1.35.

Differs from ♂ by: eyes smaller, laterally more convex, abdomen convex and apical tooth of protibia rounded.

DERIVATIO NOMINIS. Dedicated to Dr. Stuart McKamey ( Smithsonian , Washington, USA), specialist of Homoptera: Membracidae who collected the specimens; according to the agreement with the Zoological Museum of Copenhagen ( ZMUC), the type material is deposed in RBINS .

DISTRIBUTION. Known from Tanzania.

BIOLOGY. The species was collected in April in the Uzungwa Scarp Forest Reserve (Udzungwa Mountains range), ranging from 400 to 1900 m a.s.l., covered by dense rainforest, mountain forest, miombo woodland, grassland and steppe.

DIAGNOSIS. A. ( Chaetadoretus) mckameyi sp. nov. is an atypic species of Adoretini characterized by its greenish metallic reflection and its longitudinal median groove of pronotum and it is slightly similar to A. ( Chaetadoretus) saetipennis Ohaus, 1914 but can be distinguished as follows:

A. ( Chaetadoretus) mckameyi sp. nov. A. ( Chaetadoretus) saetipennis Ohaus, 1914 Aedeagus: in lateral view, parameres perpendicular; in Aedeagus: in lateral view, parameres straight;

dorsal view, parameres dorsally broader and short, parameres dorsally longer and narrower, notched to apex strongly concave and divergent (Figs 73-74). apex, broader to the base (Figs 75-76).

Body: greenish metallic reflection. Body: without greenish metallic reflection.

Thorax: pronotum with a deep median groove. Thorax: pronotum without a deep median groove. Elytra: with some long white erected flattened scales. Elytra: with long decumbent white squamous setae.