Table 2. F-statistics and relatedness coefficients for workers from R. chinensis colonies from four populations in China and expected for possible breeding systems of subterranean termite colonies previously derived from computer simulations [20], [21].
F IT (SE) | F CT (SE) | F IC (SE) | r (SE) | |
Huanggang | ||||
Simple family colonies (n = 4) | 0.14 (0.10)a | 0.33 (0.05) | −0.29 (0.06)a | 0.58 (0.05)a |
Extended family colonies (n = 20) | 0.18 (0.08)A | 0.30 (0.02) | −0.19 (0.09)A | 0.52 (0.02)A |
Changsha | ||||
Simple family colonies (n = 4) | 0.23 (0.06)b | 0.36 (0.05) | −0.20 (0.02)b | 0.58 (0.05)a |
Extended family colonies (n = 18) | 0.14 (0.09)C | 0.29 (0.02) | −0.21 (0.11)AB | 0.50 (0.03)A |
Mixed family colonies (n = 1) | ||||
Chongqing-1 | ||||
Simple family colonies (n = 4) | −0.07 (0.06)c | 0.19 (0.03) | −0.31 (0.07)a | 0.40 (0.07)a |
Extended family colonies (n = 8) | 0.03 (0.04)D | 0.25 (0.03) | −0.28 (0.04)C | 0.48 (0.04)A |
Mixed family colonies (n = 1) | ||||
Chongqing-2 | ||||
Simple family colonies (n = 2) | 0.03 (0.10)a | 0.29 (0.07) | −0.35 (0.09)a | 0.56 (0.10)a |
Extended family colonies (n = 5) | 0.11 (0.10)A | 0.23 (0.02) | −0.16 (0.12)AB | 0.42 (0.05)A |
Mixed family colonies (n = 2) | −0.06 (0.04)α | 0.11 (0.03) | −0.19 (0.04)α | 0.24 (0.06)α |
Simulated breeding systems | ||||
(A) Simple family colonies with | ||||
(1) outbred unrelated pairs | 0ac | 0.25 | −0.33a | 0.5a |
(2) inbred related pairs | 0.33ab | 0.42 | −0.14ab | 0.62a |
(B) Extended family colonies with inbreeding among multiple neotenics | ||||
(1) N f = N m = 1, X = 1 | 0.26AC | 0.65 | −0.14A | 0.55A |
(2) N f = 2, N m = 1, X = 3 | 0.52B | 0.59 | −0.17A | 0.78B |
(3) N f = N m = 10, X = 1 | 0.33A | 0.34 | −0.01A | 0.51A |
(4) N f = 200, N m = 100, X = 3 | 0.33A | 0.34 | 0B | 0.5A |
(C) Mixing between unrelated colonies, Nf = Nm = 1, X = 3, p = 0.8 | 0.57β | 0.43 | 0.25α | 0.55α |
(D) Mixing between related colonies, Nf = Nm = 1, X = 3, p = 0.9 | 0.66β | 0.64 | 0.04α | 0.77α |
(E) Pleometrosis | ||||
(1) colonies headed by two queens and one king | 0α | 0.19 | –0.23α | 0.38α |
(2) colonies headed by two queens and one king, then N f = N m = 10, X = 3 | 0.27α | 0.29 | –0.03α | 0.45α |
(3) colonies headed by five queens and five kings, then N f = N m = 10, X = 3 | 0.1α | 0.12 | –0.02α | 0.22α |
n, number of colonies; SE, standard error derived from jackknifing over colonies (or loci if sample size ≤3). One sample t-tests were performed using F IT, F IC, and r values across individual colonies. Significant differences between empirical values and expected values are indicated by different letters (uppercase for extended families, lowercase for simple families, Greek alphabet lower case for mixed families). For simulated breeding systems, X represents generation number of neotenics within a colony; N f and N m represent number of replacement females and males per generation respectively; p presents mixing proportion between workers from different colonies.