Cephennodes (s. str.) subapicalis, Jałoszyński, 2025

Cephennodes (s. str.) subapicalis sp. nov.

( Figs 65–72 View FIGURES 65–72 )

Type material. Holotype: CHINA (YUNNAN Prov.): ♂, two labels:“CHINA: Yunnan , SE Pingbian, / 22º54’31’’N, 103º41’44’’E, 2100 m / primary subtropical broad-leaved / forest, litter sifted / 28.VIII.2014, / leg. M. Schülke [ CH14-22 a]” [white, printed]; “ CEPHENNODES (s. str.) / subapicalis m. / P. Jałoszyński, 2025 / HOLOTYPUS ” [red, printed] ( MNB) GoogleMaps . Paratypes (11 exx.): 1 ♂, 1 ♀, “CHINA: Yunnan , mountain W / Gejiu, 23º24’13’’N, 103º07’28’’E, / 1990 m, mixed forest, litter and / various debris sifted, 23.VIII.2014, / leg. M. Schülke [ CH14-20 ]” [white, printed] GoogleMaps ; 1 ♂, 1 ♀, “CHINA: Yunnan , Baoshan Pref., Gao- / ligong Shan, 65 km NNE Tengchong, / 1750 m, 25º35’20’’N, 98º40’21’’E, / sec. mixed forest, overgrown stone, / debris, litter and moss sifted, 31.VIII. / 2009, leg. M. Schülke [ CH09-10 b]” [white, printed] GoogleMaps ; 1 ♂, 3 ♀♀, “CHINA: Yunnan [ CH07-20 ], / Nujiang Lisu Aut. Pref., creek / valley 3 km SE Gongshan, / 1450-1500 m, 27º43’02’’N, / 98º41’27’’E, litter, moss, sifted, / 5. VI.2007, leg. A. Pütz ” [white, printed] GoogleMaps ; 1 ♂, 1 ♀, “CHINA: Yunnan ( CH07-25 ) / Nujiang Lisu Aut. Pref. , / Salween side valley 5km S / Fugong, road SS 228, / under stones, moist / enbarkment {sic!}, 8. VI.2007 / leg. A. Pütz ” [white, printed] . Paratypes each with yellow “ PARATYPUS ” label ( MNB, cPJ, cAP) .

Diagnosis. Body small, around 1.1–1.2 mm in length; antennae with tetramerous clubs; punctures on head, pronotum and elytra small but distinct and dense, those on pronotum slightly smaller and slightly denser than those on elytra; pronotal lateral carinae single; subhumeral lines long, as long as about 0.4 × EL; in both sexes subapical adsutural region of elytra slightly flattened and covered with setae directed mesad ( Fig. 66 View FIGURES 65–72 ). Aedeagus ( Figs 67– 72 View FIGURES 65–72 ) in ventral view with sharp-angled subtriangular apex of capsular region of median lobe and approximately trapezoidal group of apical structures strongly projecting distad.

Description. Body of male ( Fig. 65 View FIGURES 65–72 ) strongly convex, oval, with distinct constriction between pronotum and elytra, moderately light brown with tarsi lighter than rest of body, vestiture yellowish. BL 1.11–1.18 mm.

Head broadest across moderately large and moderately strongly convex, coarsely faceted eyes, HL 0.15 mm, HW 0.28 mm; frontovertexal region weakly convex at middle, unmodified; supraantennal tubercles weakly elevated. Punctures on frontovertexal area small but sharply marked, dense, separated by spaces subequal to their diameters; setae sparse, short and suberect.Antennae moderately long and slender, with tetramerous clubs, AnL 0.55–0.65 mm, antennomere 1 about as long as broad, 2 strongly elongate, 3–6 each about as long as broad, 7 slightly elongate, 8–10 each about as long as broad, 11 about as long as 9 and 10 combined, about 1.7 × as long as broad.

Pronotum semi-oval, strongly convex at middle and weakly flattened near hind corners, broadest near middle and slightly narrowing posterad; PL 0.35–0.38 mm, PW 0.50–0.53 mm. Anterior margin in strictly dorsal view weakly rounded; lateral margins strongly rounded in anterior half and weakly so posteriorly, microserration extremely fine and barely discernible; posterior corners nearly right-angled; posterior margin shallowly bisinuate; lateral marginal carinae simple (i.e., not doubled); lateral antebasal pits shallow but distinct, each slightly closer to posterior than lateral pronotal margin. Punctures on pronotal disc small but sharply marked and dense, in median area separated by spaces slightly narrower than diameters of punctures, area near each anterior corner covered with denser and coarser punctures; setae short and moderately dense, weakly suberect.

Elytra slightly broader than pronotum, together oval, broadest near anterior third; EL 0.61–0.65 mm, EW 0.55– 0.58 mm, EI 1.09–1.14; subhumeral lines carinate and sharp, as long as about 0.40 × EL and distinctly divergent posterad; basal elytral fovea on each elytron located distinctly closer to lateral margin of mesoscutellum than to subhumeral line; elytral apices unmodified, separately rounded, but subapical adsutural region ( Fig. 66 View FIGURES 65–72 ) slightly flattened and covered with setae directed mesad. Punctures on elytra slightly larger and slightly sparser than those on pronotum; setae similar to those on pronotum.

Hind wings functional.

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

Legs moderately long and slender, unmodified, except slightly recurved mesotibiae.

Aedeagus ( Figs 67–72 View FIGURES 65–72 ) of simonis form, AeL 0.11 mm; capsular region of median lobe in ventral view drop-shaped with clearly defined subtriangular blunt apex; apical projections subtrapezoidal; parameres short and slender, in ventral view left paramere longer, and right one shorter than capsular region of median lobe, each paramere with one apical seta.

Female. Externally similar to male but with slightly less distinct subapical flattening on elytra, winged; BL 1.10–1.13 mm; HL 0.15 mm, HW 0.28 mm, AnL 0.55–0.60 mm; PL 0.35 mm, PW 0.50 mm; EL 0.60–0.63 mm, EW 0.55 mm, EI 1.09–1.14.

Distribution. S China: Yunnan.

Etymology. The adjective subapicalis refers to the subapical elytral modification.

Remarks. Aedeagi of all three members of the C. gokarnaensis group are very similar. In C. gokarnaensis , the capsular region of the median lobe in ventral view is more oval and more elongate than that in the two remaining species, with the apex poorly marked as an obtuse-angled rounded corner. In C. pseudogokarnaensis and C. subapicalis the capsular region is more drop-shaped, with a clearly defined sharp-angled (but still blunt) apex. Even though there is a variability in the shape of the aedeagus ( Figs 67–72 View FIGURES 65–72 ), in all studied males of C. subapicalis the distal region of the aedeagus in ventral view is invariantly longer than in C. pseudogokarnaensis . Cephennodes subapicalis is also slightly smaller than C. pseudogokarnaensis , 1.10–1.18 mm vs. 1.23–1.25 mm, respectively.