| 1. Hypopygium with gonostyli straight, posteriorly directed (Figures 2-8) |
Chironominae |
2 |
| |
-. Hypopygium with gonostyli bent, medially directed |
other Chironomidae (not keyed) |
|
| 2. Wing vein RM parallel or slightly oblique relative to R and M, anal lobe weak or not developed, squama bare (Figure 4.3, 4.4) |
Tanytarsini |
3 |
| |
-. Wing vein RM transverse relative to R and M, anal lobe well developed, squama with fringe of setae |
other Chironominae (not keyed) |
|
| 3. Superior volsella stout, strongly elongated; gonostylus with subapical lobe on median margin (Zakrzewska and Giłka, 2015b, figures 2, 4); median volsella absent |
Eonandeva |
4 |
| |
-. Superior volsella and gonostylus never as above, median volsella present |
|
5 |
| 4. Gonostylus slender, subapical lobe small; median setae absent; superior volsella cylindrical; inferior volsella with slightly enlarged apical part (Zakrzewska and Giłka, 2015b, figure 2) |
E. helva |
|
| |
-.Gonostylus broad near apex, subapical lobe large; median setae present; superior volsella swollen in apical part; inferior volsella with distinctly enlarged head-like apical part (Zakrzewska and Giłka, 2015b, figure 4) |
E. latistyla |
|
| 5. Dorsomedian extension of eye well developed (Giłka et al., 2013, figures 2, 3, 6, 8; Zakrzewska and Giłka, 2015a, figures 5, 7). Wing vein R4+5 ending distal of M3+4 to wing apex (Figure 4.3, 4.4; Giłka, 2010, plate 2; Giłka, 2011a, figure 2; Giłka et al., 2013, figures 1, 2, 4, 6, 7; Zakrzewska and Giłka, 2013, figure 1; Zakrzewska and Giłka, 2014, figure 1; Zakrzewska and Giłka, 2015a, figures 5, 7) |
|
6 |
| |
-. Dorsomedian extension of eye not developed (Figure 7.4; Zakrzewska and Giłka, 2015a, figure 3). Wing vein R4+5 ending opposite or proximal of M3+4 to wing apex (Seredszus and Wichard, 2007, figures 18, 19, plates 5c, d; Zakrzewska and Giłka, 2014, figure 3; Zakrzewska and Giłka, 2015a, figure 3) |
|
18 |
| 6. Superior volsella small, boomerang-shaped or cylindrical; median volsella with two slender falciform lamellae (Giłka et al., 2013, figures 1, 2; Zakrzewska and Giłka, 2014, figure 2) |
Archistempellina |
7 |
| |
-. Superior volsella well developed, elongated and/or broadened, roundish, bean-shaped or reniform; median volsella never with two slender falciform lamellae (Figures 3, 5; Giłka, 2010, plate 2; Giłka, 2011a, figure 2; Giłka et al., 2013, figures 4, 6, 7; Zakrzewska and Giłka, 2013, figure 2; Zakrzewska and Giłka, 2015a, figures 6, 8) |
|
9 |
| 7. Anal tergite with semicircular posterolateral lobes covered with dense setae; superior volsella boomerang-shaped, with triangular tip; stem of median volsella posteromedially directed, tip narrow (Zakrzewska and Giłka, 2014, figure 2) |
A. perkovskyi |
|
| |
-. Anal tergite without semicircular posterolateral lobes covered with dense setae; superior volsella cylindrical, swollen in distal part; stem of median volsella medially directed, tip swollen (Giłka et al., 2013, figures 1, 2) |
|
8 |
| 8. Anal point acute, reaching over superior and median volsellae; stem of median volsella longer than its falciform lamellae (Giłka et al., 2013, figure 1) |
A. bifurca |
|
| |
-. Anal point with swollen roundish tip, reaching bases of median and inferior volsellae; stem of median volsella and its falciform lamellae of the same length (Giłka et al., 2013, figure 2) |
A. falcifera |
|
| 9. Eyes hairy; gonostylus with strong spine-like apical bristle (Giłka et al., 2013, figure 4) |
Corneliola
C. avia |
|
| |
-. Eyes bare; gonostylus with simple apical seta at most (Figures 3, 5; Giłka, 2010, plate 2; Giłka, 2011a, figure 2; Giłka et al., 2013, figures 6, 7; Zakrzewska and Giłka, 2013, figure 2; Zakrzewska and Giłka, 2015a, figures 6, 8) |
|
10 |
| 10. Superior volsella round with slightly projecting posterior part or reniform and posteriorly directed (Figure 3, Giłka et al., 2013, figure 6) |
Rheotanytarsus |
11 |
| |
-. Superior volsella elongated, posteromedially or medially directed; if posteriorly directed, then with nipple-like extension (Figure 5; Giłka, 2010, plate 2; Giłka et al., 2013, figure 7; Zakrzewska and Giłka, 2013, figure 2; Zakrzewska and Giłka, 2015a, figures 6, 8) |
|
12 |
| 11. Anal point tapering to slender tip; superior volsella round; digitus present; stem of median volsella stout and short, simple, with pectinate or leaf-shaped lamellae fused at bases (Giłka et al., 2013, figure 6) |
Rh. alliciens |
|
| |
-. Anal point with swollen tip; superior volsella reniform; digitus not observed; stem of median volsella bone-shaped, with leaf-shaped separated lamellae (Figure 3) |
Rh. hoffeinsorum |
|
| 12. Anal point with horizontally expanded lateral enlargements and small distal section between; posteriorly directed bar present (Zakrzewska and Giłka, 2013, figure 2) |
Caladomyia
C. szadziewskii |
|
| |
-. Anal point without lateral enlargements, distal section or bar (Figure 5; Giłka, 2010, plate 2; Giłka, 2011a, figure 2; Giłka et al., 2013, figure 7; Zakrzewska and Giłka, 2015a, figures 6, 8) |
Tanytarsus |
13 |
| 13. Wing veins R and M very short, nearly half as long as Cu, VRCu 1.70-1.82; stem of median volsella with setiform and slender subuliform lamellae (Giłka, 2010, plate 2) |
T. serafini |
|
| |
-. Wing veins R and M long, VRCu 1.16-1.52. Stem of median volsella with arcuate, spindle-shaped, leaf-shaped (foliate) lamellae (Figure 5; Giłka, 2011a, figure 2; Giłka et al., 2013, figure 7; Zakrzewska and Giłka, 2015a, figures 6, 8) |
|
14 |
| 14. Digitus well developed, extending beyond superior volsella (Zakrzewska and Giłka, 2015a, figure 6) |
T. glaesarius |
|
| |
-. Digitus not observed |
|
15 |
| 15. Ultimate palpomere with strong stiff apical seta; anal tergite with longitudinal crest-like hump bearing median setae (Giłka, 2011a, figures 1, 2) |
T. fereci |
|
| |
-. Ultimate palpomere without stiff apical seta; anal tergite without longitudinal hump, median setae absent (Figure 5; Giłka et al., 2013, figure 7; Zakrzewska and Giłka, 2015a, figure 8) |
|
16 |
| 16. Gonostylus straight, with long seta on apex; superior volsella finger-like, distinctly curved at mid length and medially directed; median volsella sickle-shaped with slender arcuate lamellae (Figure 5) |
T. crocota |
|
| |
-. Gonostylus curved at mid length or boomerang-like, with subapical tooth-like process; superior volsella bean-shaped or with nipple-like apical extension, straight, posteromedially or posteriorly directed; median volsella never sickle-shaped, bearing leaf-shaped (foliate) lamellae (Figure 6.1; Giłka et al., 2013, figure 7; Zakrzewska and Giłka, 2015a, figure 8) |
|
17 |
| 17. Stem of median volsella bulb-shaped (Giłka et al., 2013, figure 7) |
T. congregabilis |
|
| |
-. Stem of median volsella straight (Zakrzewska and Giłka, 2015a, figure 8) |
T. protogregarius |
|
| 18. Gonostylus distinctly longer than gonocoxite (Seredszus and Wichard, 2007, figure 18) |
Stempellina
S. exigua |
|
| |
-. Gonostylus shorter than or as long as gonocoxite (Figure 8; Seredszus and Wichard, 2007, figure 19; Zakrzewska and Giłka, 2014, figure 4; Zakrzewska and Giłka, 2015a, figure 4) |
Stempellinella |
19 |
| 19. Gonostylus with apical nipple-like process; anal point with spinulae; superior volsella posteriorly directed; inferior volsella with beak-like protrusion (Zakrzewska and Giłka, 2014, figure 4) |
S. ivanovae |
|
| |
-. Gonostylus without apical nipple-like process; anal point without spinulae; superior volsella medially directed; inferior volsella without beak-like protrusion (Figure 8; Seredszus and Wichard, 2007, figure 19; Zakrzewska and Giłka, 2015a, figure 4) |
|
20 |
| 20. Antennal flagellum consisting of 10 flagellomeres; median volsella shorter than superior volsella (Seredszus and Wichard, 2007, figure 19) |
S. bicorna |
|
| |
-. Antennal flagellum consisting of 13 flagellomeres, flagellomeres 11-13 or 12-13 fused in part (Figure 7.3; Zakrzewska and Giłka, 2015a, figure 3); median volsella longer than superior volsella (Figure 8.3; Zakrzewska and Giłka, 2015a, figure 4) |
|
21 |
| 21. Median volsella (stem with its lamellae) distinctly shorter than gonostylus, bearing wide pectinate and foliate lamellae (Zakrzewska and Giłka, 2015a, figure 4) |
S. electra |
|
| |
-. Median volsella (stem with its lamellae) and gonostylus of similar length, bearing slender foliate lamellae, single lamella with strongly elongated filiform tip (Figure 8) |
S. fibra |
|
SEARCH
{{/_source.image}}
{{/_source.showImage}}
