Description of last instar larva of Cordulegaster kalkmani (Odonata: Cordulegastridae)
Author
Müller, Ole
Independent Researcher, Birkenweg 6 d, 15306 Libbenichen, Germany; Email: mueller. ole @ gmail. com
mueller.ole@gmail.com
Author
Schneider, Thomas
Independent Researcher, Arnold-Knoblauch-Ring 76, 14109 Berlin-Wannsee, Germany; Email: thomas. rs @ gmx. de
thomas.rs@gmx.de
Author
Ikemeyer, Dietmar
Independent Researcher, Billerbecker Str. 6, 48329 Havixbeck, Germany; Email: DKJIkemeyer @ t-online. de
DKJIkemeyer@t-online.de
Author
Brochard, Christophe
Independent Researcher, Leningradweg 14, 9752 TP Groningen, The Netherlands; Email: info @ cbrochard. com Corresponding author: Christophe Brochard & Independent Researcher, Birkenweg 6 d, 15306 Libbenichen, Germany; Email: mueller. ole @ gmail. com
info@cbrochard.com&mueller.ole@gmail.com
text
International Journal of Odonatology
2023
2023-09-04
26
108
113
https://doi.org/10.48156/1388.2023.1917208
journal article
313210
10.48156/1388.2023.1917208
8577d3f2-d31c-48a9-8fcd-555e3f8357ed
2159-6719
15578234
Table 1. Comparison of measurements of different Cordulegaster species (* Holuša 2022).| species | Cordulegaster kalkmani | Cordulegaster heros * | Cordulegaster picta * | Cordulegaster vanbrinkae * |
|---|
| N | 1 | 30 | 30 | 30 |
|---|
| Length of spine on segment 8 | 0 | 0.3–0.5 | 0–0.25 | 0 |
|---|
| Length of spine on segment 9 | 0,23 | 0.4–0.6 | 0.15–0.35 | 0.05–0.3 |
|---|
| Ratio lateral spine 9/segment 9 | 0,10 | 0.20–0.32 | 0.12–0.22 | 0.03–0.15 |
|---|
| Number of palpal setae | 5 | 5 | 5 | 5 |
|---|
| Number of long premental setae | 5 | 5 | 6 (rarely 7) | 5 (rarely 6) |
|---|
| Number of short premental setae | 4 | 2–3 | 3–4 | 1–3 |
|---|