Revision of Polypedilum (Pentapedilum) Kieffer and Ainuyusurika Sasa et Shirasaki (Diptera: Chironomidae)
Author
Oyewo, Emmanuel Adeoye
Author
Saether, Ole A.
text
Zootaxa
2008
2008-12-05
1953
1
145
journal article
11755334
Polypedilum
(
Pentapedilum
)
sp.
Ukraine
(
Fig. 46A–E
)
Material examined.
UKRAINE
:
Kiev Province
, Korostyshev,
100 km
west of
Kiev
,
1 female
,
20.vii.1905
, Yu Wagner (
ZMB
)
.
Diagnostic characters.
This taxon is characterized by having very densely hairy wings; the ventrolateral lobe is strongly curved and shaped very differently from all known
Pentapedilum
females.
Female
(n = 1)
Total length not measurable. Wing length
2.82 mm
. Wing length / length of profemur 2.43. Brown.
Head.
AR 0.37. Temporal setae 10 including 3 inner verticals, 4 outer verticals, and 3 postorbitals. Clypeus with 20 setae. Tentorium 163 µm long. Palpomere lengths (in µm): 60, 45, 50, 42, 72.
Wing.
Anal lobe moderately reduced. Brachiolum with 3 setae,
RM
with 5 or 6, M with 33 setae. Wing membrane densely covered with macrotrichia. Squama with 9 setae.
Legs.
Scale on foretibia (
Fig. 46A
) 49 µm long, with 45 µm long apical spur. Spurs on midtibia 46 µm long; on hind tibia 50 µm long. Comb on midtibia 24 µm long; combs on hind tibia 25 µm and 23 µm long. Width at apex of foretibia 57 µm; of midtibia 69 µm; of hind tibia 71 µm. Length and proportions of legs as in
Table 59
.
Genitalia
(
Fig. 46B
). Gonocoxite IX with 8 setae; tergite IX with 35 setae; segment X with 4 setae. Cercus 105 µm long. Seminal capsule spherical, 104 µm long, 87 µm wide, with 18 µm long sclerotized neck. Notum 149 µm long. Dorsomesal lobe (
Fig. 46D
) 87 µm long, 41 µm wide; ventrolateral lobe (
Fig. 46E
) brush-like, strongly curved; apodeme lobe as in
Figure 46C
. Postgenital plate U-shaped.
Remarks.
Although the female differs from all other examined females, it could belong to one of the described males. We thus refrain from naming the species.
Distribution.
Ukraine
.