| 1 |
distance between anterior edge of sterigma and posterior edge of 7th segment |
relatively short, 7.6 times shorter than papillae anales |
relatively long, 2.5 times shorter than papillae anales |
| 2 |
shape of posterior edge of 7th sternite |
rounded concave, with distinct lateral triangular projections |
almost straight, with faintly distinguishable lateral projections |
| 3 |
shape of sterigma |
transversely oval with distinct anterior margin |
more or less angular, with a weakly defined anterior edge |
| 4 |
7th sternite |
with relatively wide longitudinal zone almost lacking microsetae in the middle and sclerotised lateral sides |
with close longitudinal lines of dense microsetae in the middle and weak sclerotised lateral sides |
| 5 |
plate between base of papillae anales |
as equilateral triangle |
as longitudinally elongated triangle |
| Male genitalia |
| 6 |
length of harpa |
reaches 9/10 of valva length |
slightly exceeds 3/5 of valva length |
| 7 |
row of strong thorns on apical part of harpa |
semioval with equal dorsal and ventral parts (Fig. 8) |
arched, with longer part along ventral margin of harpa (Fig. 12) |
| 3 |
thorns on the apical part of harpa |
smaller |
larger, especially along ventral margin of harpa |
| 4 |
shape of valva |
smoothly widened from base towards 3/5 (Fig. 7) |
smoothly widened from base towards 1/3, further parallel-sided towards 2/3 (Fig. 11) |