Gonioctena (Spartoxena)

Baselga, Andrés, 2007, The female genitalia of Gonioctena, subgenus Spartoxena (Coleoptera: Chrysomelidae), Journal of Natural History 41 (37 - 40), pp. 2411-2418 : 2416-2417

Key to the females of the subgenus Spartoxena

1. Tergite 8 sharply constricted anteapically ( Figures 4, 7 )........ 2

– Tergite 8 progressively narrowed towards apex ( Figures 1–3, 5, 6, 8 ).... 3

2.(1) Apical expansion of tergite 8 narrow ( Figure 4 ). Sternite 8 well sclerotized ( Figure 12 ). Vaginal palpi large and broad ( Figure 20 ). NW Spain...................... G. leprieuri (Pic)

– Apical expansion of tergite 8 wide ( Figure 7 ). Sternite 8 almost completely membranous ( Figure 15 ). Vaginal palpi small ( Figure 23 ). Morocco, Algeria................... G. secsaouia (Kocher)

3.(1) Sclerites of tergite 8 joining all along the middle longitudinal line or very narrowly separated ( Figures 1, 6 )................. 4

– Sclerites of tergite 8 widely separated at base ( Figures 3, 5, 8 )...... 5

4.(3)Median notch of sternite 8 relatively shallow, wide U-shaped ( Figure 9 ). Vaginal palpi long, finger-shaped ( Figure 17 ). Iberian peninsula, excepting the NE quarter................ G. aegrota (Fabricius)

– Median notch of sternite 8 deep, horseshoe-shaped ( Figure 14 ). Vaginal palpi short and broad ( Figure 22 ). SE Spain..... G. pseudogobanzi Kippenberg

5.(3) Median notch of sternite 8 shallow ( Figures 11, 13 )......... 6

– Median notch of sternite 8 deep ( Figures 10, 16 )......... 7

6.(5) Median notch of sternite 8 narrow ( Figure 11 ). N Africa, from Morocco to Libya................. G. irrorata (Weise)

– Median notch of sternite 8 wide ( Figure 13 ). Algeria.. G. procax (Normand)

7.(5) Vaginal palpi large and long (more than four times longer than wide) ( Figure 18 ). Alps................. G. gobanzi (Reitter)

– Vaginal palpi small and relatively short (less than four times longer than wide) ( Figure 24 ). NE quarter of Spain........ G. variabilis (Olivier)

Figures

Figures 1–8. Tergite 8 of Gonioctena (Spartoxena) spp. (1) G. aegrota. (2) G. gobanzi. (3) G. irrorata. (4) G. leprieuri. (5) G. procax. (6) G. pseudogobanzi. (7) G. secsaouia. (8) G. variabilis. Scale bar: 0.5 mm.

Figures 9–16. Sternite 8 of Gonioctena (Spartoxena) spp. (9) G. aegrota. (10) G. gobanzi. (11) G. irrorata. (12) G. leprieuri. (13) G. procax. (14) G. pseudogobanzi. (15) G. secsaouia. (16) G. variabilis. Scale bar: 0.5 mm.

Figures 17–24. Sternite 9 of Gonioctena (Spartoxena) spp. (17) G. aegrota. (18) G. gobanzi. (19) G. irrorata. (20) G. leprieuri. (21) G. procax. (22) G. pseudogobanzi. (23) G. secsaouia. (24) G. variabilis. Scale bar: 0.5 mm.