Intraspecific and Intracolonial Variation in the Profile of Venom Alkaloids and Cuticular Hydrocarbons of the Fire Ant Solenopsis saevissima Smith (Hymenoptera: Formicidae)

Table 5

Relative abundance (%) of cuticle hydrocarbons from small workers (SWs), medium workers (MWs), and major workers (LW), gynes (Gs) and males (Ms) of Solenopsis saevissima varieties A and B, collected in Pedro do Rio, Rio de Janeiro, Brazil.

Cuticular hydrocarbon	Solenopsis saevissima variety A (minimum–maximum interval)					Solenopsis saevissima variety B (𝑛=5; mean ± SD)
	SW (𝑛=4)	MW (𝑛=4)	LW (𝑛=4)	G (𝑛=2)	M (𝑛=3)	SW	MW	LW	G	M
C22	—	—	—	—	—	—	—	—	tr	—
C23	1.52–1.87	—	—	tr	—	12.45±4.6	12.02±7.13	9.77±3.06	13.92±1.93	21.81±1.86
11-Me-C23	—	tr	—	tr	—	—	—	—	—	—
3-Me-C23	1.87–2.22	—	—	tr	—	17.37±1.22	16.87±1.18	18.77±2.56	19.27±2.56	18.33±3.11
C24	—	—	—	tr	—	2.62±1.10	2.34±1.75	2.00±1.00	3.40±0.23	4.70±0.60
12-Me-C24 + 11-Me-C24	—	tr	tr	tr	—	—	—	—	—	—
12-C25:1	6.31–7.48	3.91–4.20	4.99–5.21	3.75–45.38	17.06–31.77	—	—	—	—	—
10-C25:1	—	—	—	—	—	43.23±10.86	42.15±13.12	43.77±6.14	34.92±0.92	28.63±5.89
C25	8.17–9.00	4.47–5.31	6.20–9.29	1.18–16.77	3.51–15.33	9.97±5.16	9.20±6.70	8.02±4.34	10.45±0.72	19.57±5.62
13-Me-C25	—	—	—	—	—	1.37±0.69	1.68±0.84	1.88±0.94	1.75±0.88	—
11-Me-C25	6.05–9.23	11.58–13.18	10.8–13.01	7.53–9.82	2.24–7.76	—	—	—	—	—
3-Me-C25	12.22–13.37	10.04–11.08	9.02–9.58	13.27–16.83	10.10–20.73	7.40±2.50	7.34±2.18	6.85±0.62	7.46±0.47	6.48±0.68
C26	—	—	—	1.08–3.02	—	—	—	—	—	—
13-Me-C26	1.45–2.10	1.93–3.28	1.72–2.57	0.00–1.30	10.29–10.63	—	—	—	—	—
12-C27:1	—	—	—	—	—	1.00±1.00	1.10±0.55	1.17±0.59	1.00±1.00	—
13-C27:1	20.53–22.30	26.88–28.83	19.27–22.20	16.28–30.44	—	—	—	—	—	—
C27	15.06–16.08	2.33–3.1	4.60–5.00	0.00–6.56	—	tr	tr	tr	tr	tr
13-Me-C27	15.12–17.8	25.93–28.69	25.30–28.05	0.00–14.36	—	—	—	—	—	—
n-C28:1	—	1.00–1.39	1.08–2.43	tr	—	1.57±0.79	1.97±0.99	2.27±1.14	1.75±0.87	—
13-15-DiMe-C27	3.17–4.00	3.98–4.08	4.26–5.06	0.00–6.85	2.96–12.11	tr	tr	tr	tr	—
3-Me-C27	—	—	—	—	—	tr	tr	tr	tr	tr
C28	—	tr	1.84–2.08	tr	—	—	—	—	—	—
C29	—	—	—	tr	—	—	—	—	—	—
3,7,11-TriMe-C27	—	tr	tr	tr	—	—	—	—	—	—
C30	—	1.32–2.21	tr	tr	—	—	—	—	—	—
Total	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00

Notes: (—): not found; tr: trace amounts; 𝑛: number of nests evaluated.