![]()
|
| 1. | Male (with accessory copulatory organs) | 2 | |
| Female (with egg-laying apparatus) | 13 | ||
| 2. | The damselfly looks metallic green | Lestes 3 | |
| The colors are matt (red, blue, white, green, black, brown) or dark bronze | 4 | ||
| 3. | The upper anal appendages points straight backwards (fig 1) | Lestes sponsa | |
| The upper anal appendages are curved towards eachother (fig 2) | Lestes dryas | ||

| 4. | The tibias are broad and flat, the color of the damselfly is white-pale blue | Platycnemis pennipes | |
| The tibias are not broad and flat, color of the damselfly is blue, green, black, red or brownish white | 5 | ||
| 5. | The head is dark on the upper part, at least the eyes are red (at the mature ones) | 6 | |
| The head have light parts on the upper side, no red color at all | 7 | ||
| 6. | The abdomen is red with black marks | Pyrrhosoma nymphula | |
| The abdomen is colored black or dark bronze and blue | Erytromma najas | ||
| 7. | The upper side of the second segment of the abdomen totally black | Ischnura elegans | |
| The upper side of the second segment of the abdomen blue, green or brown with black marks | 8 | ||
| 8. | Very broad shoulder line, the mark at the second abdomen segment looks like a mushrom (fig 4) the damselfly differs from deep blue to tan | Enallagma cyahigerum | |
| The shoulder line is thin, the damselfly is colored blue, green or brown | Coenagrion 9 | ||
| 9. | The lower anal appendages are very large (fig 5), the damselfly mostly colored green | Coengrion armatum | |
| The lower anal appendages are small, the damselfly mostly colored blue | 10 | ||
| 10. | The mark at the third abdomen segment are tapering or blunted (fig 6 and 7) | 11 | |
| The mark at the third abdomen segment are U-shaped (fig 8 and 9) | 12 | ||
| 11. | The mark at the third abdomen segment are tapering(fig 6), chech even the mark at the second segment | Coenagrion hastulatum | |
| The mark at the third abdomen segment are blunted (fig 7), chech even the mark at the second segment | Coenagrion lunulatum | ||
| 12. | The tubercle at prothorax is distingtive(fig 10), even check the mark at the second abdomen segment(fig 8) | Coenagrion pulchellum | |
| The tubercle at prothorax is indistingtive(fig 11), even check the mark at the second abdomen segment(fig 9) | Coenagrion puella | ||

| 13. | The damselfly looks metallic green | Lestes 14 | |
| The colors are matt (red, blue, white, green, black | 15 | ||
| 14. | The prothorax with only a dark spot at the back (fig 12) | Lestes sponsa | |
| The prothorax with dark spot at the back and a dark stripe at the side (fig 13) | Lestes dryas | ||
| 15. | The tibias are broad and flat, the color of the damselfly is geenish yellow, white or rust | Platycnemis pennipes | |
| The tibias are not broad and flat, color of the damselfly is not white | 16 | ||
| 16. | The head is dark on the upper part, at least the eyes are redish (at the mature ones) | 17 | |
| The head have light parts on the upper side, no red color at all | 18 | ||
| 17. | The abdomen is red with black marks | Pyrrhosoma nymphula | |
| The abdomen is colored black and yellowish | Erytromma najas | ||
| 18. | The eight segment of the lower part of the abdomen is pricle-like and points backwards | 19 | |
| The eight segment of the lower part of the abdomen is not pricle-like | 20 | ||
| 19. | There's no shoulder line or a very thin one, the spots at back the head are circular | Ischnura elegans | |
| The shoulder line are very broad, the spots at the back of the head are triangular | Enallagma cyahtigerum | ||

| 20. | The marks at the second segment of abdomen looks like (fig 16) | Coenagrion armatum | |
| The marks at the second segment of the abdomen mostly reaches the edge of the fist segment | 21 | ||
| 21. | The upper part of prothorax back edge is straight (fig 17) | Coengarion hastulatum | |
| The upper part of prothorax back edge is not straight | 22 | ||
| 22. | The tubercle at prothorax is indistingtive(fig 18) | Coenagrion puella | The tubercle at prothorax is large and distingtive(fig 19 and 20) | 23 |
| 23. | The most upper tubercle at prothorax with a "corner" (fig 19), the whole upper part of the abdomen is dark, exept for the eight segment | Coenagrion lunulatum | |
| The most upper tubercle at prothorax without a "corner" (fig 20), the upper part of the abdomen mostly with blue marks | Coenagrion pulchellum |


© 1997 by Tobias Ivarsson and Martin Peterson.
Last updated April 15 1997 by Martin Peterson (e2mape1@etek.chalmers.se)
Archive powered by MHonArc 2.6.24.