. 2019 Mar 18;10(3):78. doi: 10.3390/insects10030078

Table 1.

Chemical compounds identified by GC-MS of rectal glands in female and male B. correcta.

Peak	Compound	RI	RI_ref	MS Data [m/z (%)]
1	Octanal	1002	999	100 (10), 84 (58), 69 (45), 67 (25), 57 (72), 56 (74), 55 (49), 43 (100), 41 (81)
2	N-(3-Methylbutyl) acetamide	1159	-	129 (6), 114 (16), 86 (28), 73 (100), 72 (78), 70 (10), 60 (37), 55 (21), 44 (53), 43 (77), 41 (20)
3	Ethyl dodecanoate	1599	1595	228 (4), 183 (12), 157 (13), 101 (49), 88 (100), 73 (21), 70 (24), 61 (14), 55 (21), 43 (21), 41 (19)
4	Ethyl tetradecanoate	1798	1796	256 (6), 213 (13), 157 (17), 101 (53), 89 (14), 88 (100), 73 (20), 70 (22), 55 (23), 43 (24), 41 (20)
5	Ethyl (E)-9-hexadecenoate	1973	1977	282 (5), 101 (53), 98 (47), 97 (60), 96 (56), 88 (68), 84 (52), 83 (60), 69 (78), 55 (100), 41 (53)
6	Ethyl hexadecanoate	1996	1993	284 (8), 157 (17), 101 (56), 89 (16), 88 (100), 73 (18), 70 (21), 57 (20), 55 (26), 43 (28), 41 (21)
7	Ethyl (Z)-9-octadecenoate	2169	2169	310 (4), 101 (37), 98 (35), 97 (49), 96 (42), 88 (49), 84 (39), 83 (53), 69 (66), 55 (100), 41 (56)
8	Ethyl octadecanoate	2197	2197	312 (11), 157 (21), 101 (59), 89 (18), 88 (100), 73 (18), 70 (20), 57 (24), 55 (28), 43 (33), 41 (22)
9	(Z)-9-Tricosene	2296	2298	322 (2), 139 (12), 125 (25), 111 (43), 97 (83), 83 (90), 69(82), 57 (100), 55 (92), 43 (76),41 (55)
10	Ethyl eicosanoate	2399	2400	340 (16), 157 (21), 101 (60), 89 (22), 88 (100), 73 (16), 70 (20), 57 (27), 55 (29), 43 (35), 41 (21)

RI is the retention index on HP-5, and RI_ref is the retention index obtained from the National Institute of Standards and Technology (NIST) Chemistry WebBook [23] and the literature [24].