Gyrophaena (Gyrophaena) kaunshanchiensis Pace, 2007

Glotov, S. V., 2022, A New Species, New Synonymy, And Additional Records Of Gyrophaena (Coleoptera, Staphylinidae, Aleocha- Rinae) From The Palaearctic Region, Zoodiversity 56 (5), pp. 373-384 : 377-378

Gyrophaena (Gyrophaena) kaunshanchiensis Pace, 2007

Pace, 2007: 107.

M a t e r i a l e x a m i n e d. Russia: Primorsky Kray (Primorye Territory), Lazovskiy District, Lazo Village,

Lazovka Valley , (133°54'01" E, 43°22'43" N), 2 exs, 20.VIII.1999, leg. J. Sundukow (cSch) .

Redescription. Measurements (in mm): length of antenna: 0.68; maximal head width (including eyes): 0.54; head length 0.26; maximal width of pronotum: 0.61; length of pronotum (measured along its midline): 0.44; length of elytra at suture: 0.48; maximal width of elytra (combined width of each elytron when elytra closed along suture): 0.80; total length of body (from anterior margin of labrum to posterior margin of tergite VIII): 2.7.

Coloration: head dark brown; pronotum brown; elytra yellow, with slightly darkened posterior angles; abdomen brown, abdominal tergites VI and VII dark brown; mouthparts, antennae and legs yellow.

Head strongly transverse, 2.1 times as wide as long, vertex with 11 or more sparse, small, round, distinct punctures on each side; microsculpture indistinct. Antennae: antennal segment I long, strongly widened towards apex; segment II long, narrower and shorter than segment I; segment III narrower and shorter than segment II; segment IV small and short; segments V–X each slightly elongate, almost of quadrate shape, and slightly widened apicad.

Pronotum strongly transverse, 1.39 times as wide as long and 1.13 times as wide as head; posterior angles and posterior margin of pronotal disc rounded; in middle and lateral sides of pronotal disc with sparse, scattered, small, rounded punctures, in middle with 2 longitudinal rows of 5 moderately large, round, distinct punctures each; microsculpture indistinct or absent.

Elytra 1.31 times as wide as pronotum; with dense and fine punctuationfine punctuation; microsculpture dense and distinct; with sparsely distributed fine setae.

Abdomen: abdominal tergites, each, with relatively dense, fine punctuation and dense and distinct microsculpture; posterior margin of each abdominal tergite medially with one row of round, small punctures. Male: posterior margin of tergite VIII with wide incision bordered by 2 short, wide, apically weakly pointed, inward curvedappendages and medially with 2 short and thin appendages ( fig. 1 , 2 ). Aedeagus ( fig. 2 , 3).

D i s t r i b u t i o n. Russia (Primorsky Kray) (first record), Taiwan ( Pace, 2007).

Figures

Fig. 1. Abdominal tergites VIII of the male: 1 — G. anastasiarum sp.n.; 2 — G. kaunshanchiensis; 3–4 — G. hanseni; 5 — G. korbi; 6 — G. munsteri; 7 — G. pseudonana; 8 — G. pseudonitidula; 9 — G. transversalis; 10 — G. triquetra.

Fig. 2. Aedeagus: 1 — G. anastasiarum, sp. n.; 2 — G. hanseni; 3 — G. kaunshanchiensis; 4 — G. korbi; 5 — G. munsteri; 6 — G. pseudonana; 7 — G. pseudonitidula; 8 — G. transversalis; 9 — G. triquetra.