Introgression and rapid species turnover in sympatric damselflies

Table 5 Summary of the results from the Admixture models in STRUCTURE for artificial hybrids and backcrosses:

Admixture proportion to *I. elegans*cluster
Type of cross	N	≥ 90	(90-68)	(67-21)	(20-11)	≤ 10
F1	50	0	0	50	0	0
F2	50	0	0	50	0	0
1 GB	50	0	0	35	15	0
1 EB	50	0	24	26	0	0
2 EB	50	0	30	20	0	0
3 EB	50	0	40	10	0	0
4 EB	50	0	42	8	0	0

first-generation hybrid (F₁; i.e. I. graellsii × I. elegans), second-generation hybrid (F₂; i.e. F₁ × F₁), first backcross with I. elegans (1 EB; i.e. F₁ × I. elegans), first backcross with I. graellsii (1 GB; F₁ × I. graellsii), second backcross with I. elegans (2 EB; 1 EB × I. elegans), third backcross with I. elegans (3 EB; 2 EB × I. elegans), and forth backcross with I. elegans (4 EB; 3 EB × I. elegans).

ISSN: 2730-7182