Geographical variation of prementum size in Iberian Cordulegaster boltonii (Odonata: Cordulegastridae) populations Author Hernández, M. Ángeles Departamento de Biología Ambiental, Facultad de Ciencias, Universidad de Navarra, mahermin@unav.es Author Casanueva, Patricia Departamento de Ciencias Experimentales, Universidad Europea Miguel de Cervantes, Author Nunes, Luisa Instituto Politécnico de Castelo Branco - Escola Superior Agrária. Qta Sra Mercules, & Centre for Applied Ecology Prof. Baeta Neves (CEABN-InBIO), School of Agriculture, University of Lisbon, Tapada da Ajuda, Lisbon, 1349 - 017, Portugal Author Santamaría, Tomás Universidad Católica de Ávila, Calle Canteros s / n, 05005 Ávila, Spain Author Sánchez-Sastre, Luis Fernando Área de Ingeniería Cartográfica, Departamento CMeIM / EGI / ICGF / IM / IPF, EIFAB, Universidad de Valladolid, 42004 Soria, Spain Author Ferreras-Romero, Manuel Departamento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, A- 376 km 1, Author Campos, Francisco Departamento de Ciencias Experimentales, Universidad Europea Miguel de Cervantes, text International Journal of Odonatology 2022 2022-03-14 25 56 61 https://doi.org/10.48156/1388.2022.1917169 journal article 10.48156/1388.2022.1917169 2159-6719 15576131

Table 1. Country and geographic coordinates (decimal grades) from 18 Iberian sites where exuviae of Cordulegaster boltonii were collected. Altitude as m a.s.l. Tm: mean annual temperature (°C). Tm was obtained from WorldClim (www. wordclim.org) historical climate data (Hijmans et al., 2005).

Stream	Country	North	West	Altitude	Tm
1. Cova	Portugal	41.5821	-7.7847	329	12.3
2. Sabor	Portugal	41.9025	-6.7364	665	11.8
3. Eria	Spain	42.2619	-6.4344	1117	9.1
4. Curueño	Spain	42.8466	-5.4027	1001	9.9
5. Lazán	Spain	43.0222	-4.4783	1210	8.5
6. Sedanillo	Spain	42.7181	-3.7500	740	10.3
7. Arlanzón	Spain	42.2272	-3.3049	1170	8.9
8. Zêzere	Portugal	40.2419	-7.3144	685	11.3
9. Frío	Spain	40.3154	-6.6347	830	12.4
10. Francia	Spain	40.5055	-6.0472	595	13.3
11. Barbellido	Spain	40.3167	-5.2144	1450	8.6
12. Gama	Spain	40.4186	-5.2158	1642	8.1
13. Alberche	Spain	40.4383	-5.0611	1425	9.2
14. Eresma	Spain	40.8488	-4.0179	1200	10.1
15. Cega	Spain	41.0380	-3.4287	1255	9.3
16. Júcar	Spain	40.3244	-1.8141	1245	9.7
17. Bejarano	Spain	37.9366	-4.8705	400	16.5
18. Monachil	Spain	37.1222	-3.5072	1016	13.1