Kaluginia lebetiformis lebetiformis Makarchenko, 1987

Makarchenko, E. A., Rumyantseva, A. Yu. & Yavorskaya, N. M., 2020, New data on taxonomy and distribution of Kaluginia lebetiformis Makarchenko, 1987 (Diptera: Chironomidae, Diamesinae) from East Asia, Far Eastern Entomologist 399, pp. 19-28 : 21-24

Kaluginia lebetiformis lebetiformis Makarchenko, 1987

Figs 1–3, 6–8

Kaluginia lebetiformis Makarchenko, 1987: 786, 2006: 266 ; Oliver, 1989: 134; Ashe &

Connor, 2009: 291; Makarchenko et al., 2018: 28 (partly), Fig. 4 .

MATERIAL EXAMINED. Russia: South Sakhalin, Dolinsk District, Sokol Village,

Belaya River, 29. VI 1985, 1♂ (holotype), leg. S. Bestalannaya, E. Makarchenko; Khabarovsk

Territory, Nanaisky District, Anyuisky National Park, Pihtsa River (tributary of Gassi Lake),

Amur River basin, N 48.47 .804, E 136.47 .027, 22–24.V 2019, 4 ♂♂, leg. N. Yavorskaya ;

Primorye Territory , Khasansk Region, Barabashevka River, 14.V 2002, 1♂, leg. V. Teslenko .

DESCRIPTION. Male imago (n=4). Total length 3.2–3.7 mm. Total length/wing length

0.82–1.62. Total coloration brown to dark-brown; antepronotum light yellow; methonotum yellowish, with brown stripes; legs spotted: basal 2/3 of femur yellowish, distal 1/3 brown;

tibia in basal and apical parts brown and yellowish in middle part; basal 2/3 of ta1 yellowish and distal 1/3 brown; ta 2 –ta 5 brown.

Head. Temporal setae (from one side) including 2–4 frontals, 6–7 orbitals and 8–12 verti-

cals. Clypeus with 12–21 setae. Palpomere length (μm): 36, 48–70, 92–105, 124–160, 144–248

lebetiformis koreana subsp. n. (4–5). 1, 5 – total view of hypopygium, from above; 2, 4 –

transverse sternapodeme and aedeagal lobe; 3 – transverse sternapodeme. Scale bars – 50 µm.

Head width/palpal length 0.84–1.11. Antenna with 7 flagellomeres and reduced plume of setae 35–75 μm long. Flagellomeres length (μm): 44–45, 24–48, 25–32, 25–28, 30–32, 32–

33, 65–68; terminal flagellomere with 1–2 subapical setae 48–68 μm long; scape with 3 setae.

AR 0.31–0.38.

Thorax. Antepronotum with 12–26 lateral setae 64–72 μm long. Acrostichals 17–31

(48–60 μm), dorsocentrals 18–26 (60–100 μm), prealars 17–27, supraalars 1–2, scutellars

73–78.

Wing. Length 2.28–4.20 mm, width 0.72–1.2 mm. Anal lobe well developed; squama with 22–36 setae in 1–2 rows. R and R 1 with 57–65 setae (32–40 μm), R 4+5 with 20–31 setae

(32–40 μm). R 2+3 absent.

koreana subsp. n. from South Korea (9). Scale bars – 50 µm.

Legs. BR 1 2.1; BR 2 1.5–2.0; BR 3 2.1. Spur of front tibia 40–54 μm long. Spurs of middle tibia 50–60 and 45–52 μm long. Spurs of hind tibia 64–88 μm and 48–55 μm long. Hind tibial comb with 10–14 spine-like setae. Middle legs with 6 pseudospurs 32–40 μm long on ta 1 and with 8 pseudospurs on ta 3; hind legs with 4–5 pseudospurs on ta 1. Claw with 4 denticles apically. Length (μm) and proportions of leg segments are as follow:

Hypopygium ( Figs 1–3, 6–8 ). Tergite IX with round-triangular dark anal point, 24–28 μm

long and 60 μm width, and with 25–33 setae, 12–24 μm long; anal-lateral corners of tergite

IX elongated in form of narrow lobes back; laterosternite IX with 12–17 setae (from one side), 48–68 μm long. Transverse sternapodeme high, almost trapezoidal, 96–128 μm long,

and 104–108 μm wide in basal part, with rounded apex. Gonocoxite 278–280 μm long. Basal lobe of gonocoxite is various shapes and depends on its position; in the inner half with microtrichia, along the outer margin with short setae; inferior volsella as in Fig. 1 , covered by setae. Gonostylus 152–164 μm long, scoop-shaped; inner lobe along the margin with 5–6

megasetae 14–16 μm long and one subterminal tooth; outer lobe widely triangular, inner margin of which with strong setae 16–28 μm long. HR 1.74–1.79.

DISTRIBUTION. This subspecies is known from Sakhalin Island, Primorye Territory and Amur River basin of the Russian Far East .

Figures

Figs 1–6. Adult males of Kaluginia lebetiformis lebetiformis Makarchenko (1–3) and K.

Figs 6–9. Posterior part of tergite IX of adult males Kaluginia lebetiformis lebetiformis Makarchenko from Amur River basin (6–7), South Sakhalin [holotype] (8) and K. lebetiformis