Table 1.

Quantification of bouton number, branch points, and muscle 4 surface area in various species of Drosophila

	n	Boutons	Branch points	Muscle surface area (μm2 × 104)
ananassae	25	22.7 ± 0.8	3.4 ± 0.3	5.44 ± 0.23
erecta	25	29.5 ± 1.4	9.4 ± 0.6	3.95 ± 0.19
funebris	30	42.2 ± 1.4	8.1 ± 0.5	5.87 ± 0.22
greeni	25	33.4 ± 1.1	8.7 ± 0.7	4.79 ± 0.39
jambulina	25	19.5 ± 1.2	3.3 ± 0.4	2.95 ± 0.07
malerkotliana	30	18.3 ± 0.8	2.9 ± 0.3	2.96 ± 0.10
mauritiana	25	30.8 ± 0.7	7.3 ± 0.4	4.84 ± 0.18
melanogaster	45	19.3 ± 0.8	1.8 ± 0.2	4.94 ± 0.11
mojavensis	30	34.8 ± 1.3	11.4 ± 0.7	4.16 ± 0.23
pallidosa	25	21.8 ± 0.7	2.1 ± 0.4	3.11 ± 0.06
persimilis	25	39.1 ± 1.6	9.0 ± 0.8	5.56 ± 0.08
pseudoobscura	30	50.3 ± 2.2	9.9 ± 0.8	5.37 ± 0.20
punjabiensis	25	11.7 ± 0.5	2.6 ± 0.3	3.78 ± 0.11
sechellia	45	45.9 ± 1.2	11.5 ± 0.7	4.65 ± 0.16
seguyi	30	23.2 ± 1.1	4.2 ± 0.3	3.26 ± 0.17
serrata	25	20.0 ± 0.9	3.7 ± 0.4	2.90 ± 0.11
simulans	30	21.2 ± 0.7	5.8 ± 0.4	4.35 ± 0.10
virilis	30	39.4 ± 1.2	4.7 ± 0.3	7.15 ± 0.19
vulcana	35	16.3 ± 0.7	4.4 ± 0.4	2.92 ± 0.07
willistoni	30	20.0 ± 0.5	2.2 ± 0.2	3.97 ± 0.14
yakuba	25	16.4 ± 1.0	3.7 ± 0.4	3.71 ± 0.14

Mean ± SEM is shown. All analyses were performed on NMJ4 in abdominal segments 2–4 of each species.