TDP:Table 3

Table 3. Minimum number of verbenone pouches recommended for treating southern pine beetle infestations for A. Verbenone-Only¹ and B. Verbenone-Plus-Felling² in 1995.

A. Verbenone-Only (40 ml/ft2)

Average DBH	Number of Actively Infested Trees
Average DBH	10	20	30	40	50	60	70	80
6	50	50	50	63	79	95	110	126
8	50	56	84	112	140	168	196	224
10	50	88	131	175	218	262	306	349
12	63	126	189	252	315	377	440	503
14	86	171	257	342	428	513	599	684
16	112	224	335	447	559	670	782	894
18	142	283	424	566	707	848	990	1131

¹Number of pouches = (mean d.b.h/2)2 * no. active trees * 0.1745

B. Verbenone-Plus-Felling (25 ml/ft2)

Average DBH	Number of Actively Infested Trees
Average DBH	10	20	30	40	50	60	70	80	90	100	110	120
6	50	50	50	50	50	60	70	80	90	100	109	118
8	50	50	54	70	88	105	122	140	158	175	192	210
10	50	55	82	109	137	164	191	218	246	274	300	328
12	50	80	120	160	200	240	280	320	360	400	432	472
14	54	107	161	214	267	322	374	428	481	534	588	642
16	70	140	210	280	349	419	489	558	628	698	768	838
18	89	177	265	354	442	530	618	707	795	883	972	1061
20	109	218	327	436	545	654	763	872	981	1090	1200	1310

²Number of pouches = (mean d.b.h/2)2 * no. active trees * 0.1091