Cephennodes (Fusionodes) jizushanus, Jałoszyński, 2025

Cephennodes (Fusionodes) jizushanus sp. nov.

( Figs 198–201 View FIGURES 194–201 )

Type material. Holotype: CHINA (YUNNAN Prov.): ♂, two labels: “CHINA (Yunnan) Dali Bai Aut. / Pref., Jizu Shan , summit plateau, / 37 km NE Dali, 3150 m / 25º58’30’’N / 100º21’36’’E, / (mixed forest, sifted from litter, / moss) / 5.IX.2009 D.W. Wrase [28]” [white, printed]; “ CEPHENNODES / ( FUSIONODES ) / jizushanus m. / P. Jałoszyński, 2025 / HOLOTYPUS ” [red, printed] ( MNB) GoogleMaps . Paratypes (3 exx.): 1 ♂, “CHINA: Yunnan , Dali Bai Aut. Pref., / Jizu Shan, summit plateau, 37 km / NE Dali, 25º58’30’’N, 100º21’36’’E, / 3150 m, mixed forest, sifted from / litter, moss & mushrooms, 5.IX.2009. / leg. M. Schülke [ CH09-28 ]” GoogleMaps ; 2 ♂♂, “CHINA: Yunnan , Dali Bai Aut. Pref., / Jizu Shan, path to cable car, 37 km NE / Dali, 25º58’N, 100º23’E, / 2450 m, mixed forest, sifted from litter, / moss & pine apples, 5.IX.2009. / leg. M. Schülke [ CH09-29 ]” GoogleMaps . Paratypes with yellow PARATYPUS labels (cPJ, MNB) .

Diagnosis. Body large, BL around 1.7–1.9 mm; antennae gradually thickened; punctures on clypeus and frontovertexal region forming two lateral longitudinal stripes composed of moderately large, sharply marked punctures separated by spaces slightly shorter than their diameters, median area with distinctly sparser punctures, punctures on median region of pronotal disc smaller than those on frontovertexal region but also sharply marked and separated by spaces subequal to their diameters, those on elytra fine and inconspicuous; subhumeral lines short, as long as 0.3 × EL. Male: aedeagus ( Figs 199–201 View FIGURES 194–201 ) in ventral view with capsular region of median lobe with subtriangular and rounded distal margin; subapical lateral lobes elongate, subparallel and with subtriangular distal regions; apical projection trilobate, with two lateral subtriangular lobes and flame-like pointed apical lobe; subapical dorsal projection in ventral view divided into two lateral broadly separated elongate processes; in lateral view apical lobe with subtriangular and pointed distal projection, and subapical dorsal projection strongly curved; each paramere with only one thick seta.

Description. Body of male ( Fig. 198 View FIGURES 194–201 ) strongly convex, oval, with barely discernible constriction between pronotum and elytra, moderately dark brown with slightly lighter tarsi, covered with light brown setae. BL 1.73– 1.85 mm.

Head broadest across large and conspicuously strongly convex, coarsely faceted eyes, HL 0.25 mm, HW 0.40– 0.41 mm; frontovertexal region weakly convex at middle; supraantennal tubercles weakly elevated. Punctures on clypeus and frontovertexal region forming two lateral longitudinal stripes composed of moderately large, sharply marked punctures separated by spaces slightly shorter than their diameters, median area with distinctly sparser punctures; setae short, sparse and suberect. Antennae long and slender, gradually thickened, AnL 0.85–0.90 mm, antennomere 1 about as long as broad, 2 distinctly elongate, 3 weakly transverse, 4–7 each about as long as broad, 8 weakly transverse, 9 and 10 each about as long as broad, 11 nearly as long as 9 and 10 combined, about 1.7 × as long as broad.

Pronotum semi-oval, strongly convex at middle and flattened near anterior and hind corners, equally broad from base to near middle; PL 0.50–0.55 mm, PW 0.78–0.80 mm. Anterior margin in strictly dorsal view nearly straight; lateral margins strongly rounded in anterior third and straight posteriorly, finely microserrate, posterior corners nearly right-angled; posterior margin shallowly bisinuate; lateral marginal carinae simple (i.e., not doubled); lateral antebasal pits shallow but distinct, each nearly equidistant to posterior and lateral pronotal margin. Punctures on median region of pronotal disc slightly smaller than those on head but also sharply marked and separated by spaces subequal to their diameters, punctures near anterior and posterior corners much denser and coarse; setae short and moderately dense, suberect.

Elytra slightly wider than pronotum, together oval, broadest near anterior third; EL 0.95–1.05 mm, EW 0.80– 0.85 mm, EI 1.15–1.24; subhumeral lines developed as sharp borders between elevated humerus and lower mesal region, as long as 0.30 × EL and weakly divergent posterad; basal elytral fovea on each elytron slightly closer to lateral margin of mesoscutellum than to subhumeral line; elytral apices separately rounded. Punctures on elytra fine and inconspicuous; setae similar to those on pronotum.

Hind wings functional.

Metaventrite with lateral impressions as long as half of its length.

Legs long and slender, unmodified.

Aedeagus ( Figs 199–201 View FIGURES 194–201 ) AeL 0.55 mm; in ventral view capsular region of median lobe with subtriangular and rounded distal margin; subapical lateral lobes elongate, subparallel and with subtriangular distal regions; apical projection trilobate, with two lateral subtriangular obtuse-angled lobes and flame-like pointed apical lobe; subapical dorsal projection in ventral view divided into two lateral broadly separated elongate processes, in lateral view each strongly curved; in lateral view apical lobe with subtriangular and pointed distal projection; each parameral apex weakly bent mesad, with only one thick seta.

Female. Unknown.

Distribution. S China: Yunnan.

Etymology. The adjective jizushanus refers to the type locality, Mount Jizu Shan.

Remarks. Cephennodes jizushanus can be identified by its unique aedeagus, which in ventral view has a trilobate apical structure, composed of a pair of subtriangular obtuse-angled lateral lobes and a flame-like apical lobe, and with an additional pair of elongate dorsal subapical lobes (which do not occur in the similar C. pingbianus ).