Nonbiting midges of the genus Paracladopelma Harnisch (Diptera: Chironomidae) from the Russian Far East
Author
Zorina, Oksana V.
text
Zootaxa
2006
1134
29
49
journal article
10.5281/zenodo.171934
510b41ee-271e-47e4-bff6-c4815f582b0f
11755326
171934
Paracladopelma nereis
(Townes)
(
Figs. 16–19
)
Harnischia
(
Cladopelma
)
nereis
Townes, 1945
: 150
Chironomus
(
Cryptochironomus
)
nereis
(Townes)
;
Sublette & Sublette (1965: 168)
Paracladopelma nereis
(Townes)
:
Mozley & Garcia (1972: 109)
Material
.
2 males
,
Russia
, Primorye Territory, Tumannaya River,
18.V.1999
, leg. E. Makarchenko;
2 males
, Razdolnaya River near Pokrovka Village,
15–16.V.1993
, leg. E.
Makarchenko;
1 male
, Ussuri River at about
1.5 km
from Kirovsky,
23.IX.1991
, leg. T. Tiunova;
1 male
, Kabarga River near railway bridge, Ussuri River basin,
14.VII.2000
, leg. T. Tiunova;
1 male
, Khabarovsk Territory, Amur River basin, Bidzhan River near Preobrazhenovka Village,
4.VIII.2003
, leg. T. Tiunova;
1 male
, Tunguska River near Danilovka Village,
26.VI.2004
, leg. T. Tiunova;
1 male
, Zavitaya River near railway bridge of route BirobidzhanKhabarovsk,
1.IX.2004
, leg. T. Tiunova;
2 males
, Amursk Region, Zeya River at about
1 km
above of bridge,
20.VIII.2004
, leg. T. Tiunova.
Male imago
(
n
= 8)
Total length 3.0–
4.1 mm
. Wing length
1.7–2.4 mm
. Total length/wing length 1.42–1.93.
Coloration
. Scape yellowish brown or brown, flagellomeres dark brown; ground color of thorax pale yellow, mesonotal stripes yellow, 2/3 of postnotum brown; P1 yellow, except brown on distal 2/3 f1 and t1, ta1–5; P2 and P3 yellowish, ta1–5 gradually darkened toward apex or f2 and f3 yellowish brown at distal end and t2 and t3 yellowish brown at proximal end; abdomen yellowish brown.
Head
. Frontal tubercles 9.0–
22.5 m
long and
6.8–11.3 m
wide. Verticals 12–17. Clypeus with 11–16 setae. Antenna
1045–1292 m
long. AR 1.89–2.09. Maxillary palp
500–554 m
long, lengths of last 4 palpomeres (in m): 54–68; 113–117; 135–158; 185–212. Antenna length/palp length 2.33–2.43.
Thorax
. Antepronotals 3–5, acrostichals 10–12, dorsocentrals 5–9, prealars 2–4, supraalars 1. Scutellum with 7–11 setae.
Wing
. Length
1.7–2.4 mm
, wide 0.53–0.72. VR 1.16–1.21. R with 4–10 setae, R1 without setae, R4+5 with 2–4 apical setae. Squama with 3–10, brachiolum with 1–3 setae.
Legs
. Terminal combs with 2 spurs (length
18–23 m
). LR1 1.58–1.81, LR2 0.58–0.63, LR3 0.63–0.68; SV1 1.32–1.44, SV2 3.40–3.62, SV3 2.88–3.09; BV1 1.75–1.86, BV2 3.48–3.83, BV3 2.58–2.75; BR1 2.5–3.0, BR2 4.3, BR3 4.4–4.5.
Hypopygium
(
Figs. 16–19
). Median longitudinal ridge of anal tergite bands absent. Anal point (length
54–59 m
, width
9–14 m
) widest in apical half. Laterosternite IX with 1–2 setae, rarely 0. Transverse sternapodeme
50 m
long. Gonocoxite (length
72–99 m
) with 5–11 setae. Superior volsella footshaped (length
32–50 m
, width
32–45 m
) with 12–15 setae. Inferior volsella apically rounded (length
72–108 m
, width
23 m
). Gonostylus (length
117–180 m
, width
23–27 m
) slightly curved, on apex with rounded tubercle. HR 0.55–0.65.
Distribution
. Holarctic. In the Palaearctic Region, the species is known from
North Korea
(
Saether
et al
. 2000
) and the Russian Far East (
Makarchenko
et al
. 2005
). It is recorded from
Russia
for the first time.