A systematic review of the genus Parapsectra Reiss (Diptera: Chironomidae: Tanytarsini) with description of a new species from Poland
Author
Giłka, Wojciech
Author
Jażdżewska, Natalia
text
Zootaxa
2010
2350
1
21
journal article
10.5281/zenodo.193438
ab6a454c-3ba5-4c42-90a3-7a6b0f4472fa
1175-5326
193438
Parapsectra
Reiss, 1969
Reiss 1969b
: 192.
Type
species:
Chironomus nanus
Meigen, 1818
.
Diagnostic description
. Wing length 1.25–2.05 mm (arculus–tip) to 2.40 mm (base–tip), exceptionally 0.55– 0.82 mm (
P. uliginosa
, brachyptery). Eyes bare, reniform. Antenna with 13 flagellomeres, exceptionally with only 6 or 7 flagellomeres (
P. uliginosa
,
Fig. 25
); AR = 0.29–0.90; frontal tubercles minute or absent. Wing covered with macrotrichia on almost entire area (excl.
P. wagneri
), number of macrotrichia below An, length of RM, distance between RM and FCu and shape of anal lobe species-specific (
Figs 1–7
). Tibial combs of mid and hind leg fused or slightly separated, if widely separated - number of teeth reduced; each comb often bears single, slightly longer, spur-like tooth. Anal tergite bands of V-type, lateral teeth usually absent (excl.
P. mendli
and
P. s t y r i a c a
), 2–7 median setae present. Anal point with rounded, transversally cut or slightly concave apex, exceptionally apex acute (
P. m e n d l i
); crests slender or slightly widened in posterior section (
P. wagneri
). Superior volsella triangular with anteromedian margin straight or convex, or with slender apical prolongation and anteromedian margin concave (
P. m e n d l i
), and/or sinuous (
P. styriaca
); tubercle at base of superior volsella bearing
Micropsectra
-seta
sensu
Säwedal (1982)
usually tall and cylindrical, exceptionally short and conical (
P. mendli
). Digitus never extending beyond superior volsella or absent (
P. styriaca
). Inferior volsella species-specific (
Figs 32–41
). Median volsella usually with spoon-shaped or with falciform lamellae (
P. u l i g i n o s a
,
P. wagneri
). See also taxonomic remarks.