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 nais
(Townes)
(
Figs. 14–15
)
Harnischia
(
Cladopelma
)
nais
Townes, 1945
: 149
;
Roback (1957: 101)
Chironomus
(
Cryptochironomus
)
nais
(Townes)
;
Sublette & Sublette (1965: 168)
Paracladopelma nais
(Townes)
;
Hudson (1971: 161)
Material
.
1 male
,
Russia
, Primorye Territory, Barabashevka River,
23.V.2002
, leg. T. Tiunova.
Male imago
(
n
= 1)
Wing length
2.5 mm
.
Coloration
. Scape and flagellomeres brown; ground color of thorax pale brown, mesonotal stripes brown, 2/3 of postnotum brown; legs yellowish brown; abdomen yellowish brown.
Head
. Frontal tubercles
23 m
long and
9 m
wide. Verticals 15–17. Clypeus with 15 setae. Antenna
1406 m
long. AR 2.08. Maxillary palp
630 m
long, lengths of last 4 palpomeres (in m): 54; 135; 185; 257. Antenna length/palp length 2.23.
Thorax
. Antepronotals 5, acrostichals 13, dorsocentrals 11, prealars 3, supraalars 1. Scutellum with 13 setae.
Wing
. Length
2.5 mm
, width 0.7. VR 1.16. R with 14 setae, R1 with 17 setae, R4+5 with 24 setae. Squama with 6 setae, brachiolum with 2 setae.
Legs
. Terminal combs of median and hind tibiae with 1 spur (length
27 m
). LR1 1.74, LR2 0.61, LR3 0.73; SV1 1.36, SV2 3.25, SV3 2.68; BV1 1.79, BV2 2.98, BV3 2.66; BR1 2.5, BR2 5.0, BR3 4.57.
FIGURES 14–19
. Male imago
Paracladopelma nais
(
14–15
) and
Paracladopelma nereis
(
16–19
).
14, 16.
Hypopygia.
15, 18, 19.
Superior volsellae.
17.
Anal point. Scale bar = 50 m.
Hypopygium
(
Figs. 14–15
). Median longitudinal ridge of anal tergite bands present. Anal point (length
81 m
, width
18 m
) widest in apical half. Laterosternite IX with 0–2 setae. Transverse sternapodeme
81 m
long. Gonocoxite (length
122 m
) with 5 setae. Superior volsella footshaped (length
50–59 m
, width
41 m
) with 11–13 setae. Inferior volsella apically slight pointed (length
126 m
, width
41 m
). Gonostylus (length
185 m
, width
32 m
) slightly curved, apically pointed. HR 0.66.
Distribution
. Holarctic. In the Palaearctic Region, the species has been recorded as larvae from
Romania
(
Tudorancea & Tudorancea 1998
). It is recorded from the East Palaearctic for the first time.