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 nigritulum
(Goetghebuer)
(
Figs. 20–21
)
Chironomus
(
Cryptochironomus
)
nigritulus
Goetghebuer, 1942
: 3
Paracladopelma nigritula
(Goetghebuer)
;
Lenz (1959: 440)
Chironomus
(
Chironomus
)
claripennis
Edwards, 1929
: 387
Tendipes
(
Cryptochironomus
)
claripennis
(Edwards)
;
Goetghebuer (1937: 35)
Paracladopelma obscura
Brundin, 1949: 763
;
Reiss (1968: 203)
Material
.
1 male
,
Russia
, Primorye Territory, Ussuri River at about
4–5 km
from Kamenka Village,
3.VII.1993
, leg. T. Tiunova;
2 males
, Sakhalin Island, Ossoy River,
19.VIII.2001
, leg. T. Tiunova;
1 male
, Evay River,
7–8.IX.2001
, leg. T. Tiunova;
1 male
, Tym River
12 km
from Nogliki Village,
30–31.VII.2002
, leg. E. Makarchenko;
3 males
, Starodinskaya River near
45–50 km
from Krasnoyarsk Village,
22.VII.2002
, leg. E. Makarchenko;
1 male
, Orlovka River near
5 km
from Pilvo Village,
25.VII.2003
, leg. E. Makarchenko;
1 male
, Tym River
2 km
from railway bridge through Parkata River,
2–3.VIII.2003
, leg. E. Makarchenko.
Male imago
(
n
= 7)
Total length
3.5 mm
. Wing length
2.5–2.8 mm
. Total length/wing length 1.49.
Coloration
. Scape and flagellomeres dark brown; ground color of thorax brown, mesonotal stripes and postnotum dark brown; legs and abdomen brown.
FIGURES 20–24.
Male imago
Paracladopelma nigritulum
(
20–21
) and
Paracladopelma pseudocamptolabis
sp. nov.
(
22–24
).
20, 22.
Hypopygia.
21, 24.
Superior volsellae.
23.
Gonostylus. Scale bar = 50 m.
Head
. Frontal tubercles
13.5–18 m
long and
9 m
wide. Verticals 13–19. Clypeus with 12–15 setae. Antenna
1273–1482 m
long. AR 2.19–2.55. Maxillary palp
581–630 m
long, lengths of last 4 palpomeres (in m): 54–68; 145–167; 158–180; 216–234. Palp length/head width 0.95–0.99; antenna length/palp length 2.08–2.35.
Thorax
. Antepronotals 6–13, acrostichals 0, dorsocentrals 8–12, prealars 3–6, supraalars 1. Scutellum with 10–12 setae.
Wing
. Length
2.5–2.8 mm
, width 0.70–0.76. VR 1.02–1.06. R with 11–19, R1 with 11–16, R4+5 with 12–21 setae. Squama with 9–18, brachiolum with 2 setae.
Legs
. Terminal combs with 2 spurs (length
18 m
). LR1 1.25–1.53, LR2 0.48–0.52, LR3 0.59–0.63; SV1 1.45–1.72, SV2 4.0–4.15, SV3 3.07–3.32; BV1 1.78–1.92, BV2 2.84–3.10, BV3 2.61–2.80; BR1 2.5–3.0, BR2 3.38–3.83, BR3 4.29–5.38.
Hypopygium
(
Figs. 20–21
). Median longitudinal ridge of anal tergite bands absent. Anal point (length
77–86 m
, width
14 m
) widest in apical half. Laterosternite IX with 2–6 setae. Transverse sternapodeme
72–81 m
long. Gonocoxite (length
108–144 m
) with 3–4 setae. Superior volsella (length
36–45 m
, width
27–32 m
) with membranous, bare dorsolateral lobe and ventromedian lobe covered by microtrichia and 8–10 setae. Inferior volsella apically rounded (length
99–122 m
, width
27–41 m
). Gonostylus (length
162–198 m
, width
36 m
) curved, widest at about proximal 1/3. HR 0.64–0.75.
Distribution
. Palaearctic species. In the Russian Far East, this species occurs on Sakhalin Island and in the Primorye Territory (
Makarchenko
et al
. 2005
). It is recorded from
Russia
for the first time.