Table 3. Stand characteristics, beetle captures in pheromone-baited funnel traps, Ips colonization densities in traps logs, and beetle-attacked trees in red pine stands near Anoka, MN and Colfax, WI.

		Stand characteristics													Trap captures (per 4-trap array during June 2002)												I. pini in logs^d		Attacked trees / 1000
Region	Site	Soil.ID	Age.2002^a		Age.2002^b		Height(ft)		Site.Index^c		DBH(in)		BasalArea		I.pini		I.grand		I.perrot		T.dubius		P.cylind		Ips/Predator		Attacks/dm2		2002		2001		2000
Anoka.MN	1	1256 lfs	49		52		63		61		10.1		107		624		346		33		430		452		1.1		2.11		7		60		0
Anoka.MN	2	1256 lfs	51		53		59		56		10.5		137		1096		206		3		221		95		4.1		2.88		3		10		7
Anoka.MN	4	1258 fs	57		51		52		51		8.7		230		606		252		12		244		217		1.9		3.48		7		84		31
Anoka.MN	5	158A fs	57		55		66		61		10.9		90		866		297		16		363		121		2.4		1.91		15		28		2
Anoka.MN	6	158A fs	48		43		66		75		8.2		180		1657		331		34		1443		304		1.2		1.20		24		52		24
Anoka.MN	8	158A fs	40		45		52		57		9.5		207		261		177		28		1123		143		0.4		2.45		0		10		0
Anoka.MN	9	1258 fs	45		46		64		68		7.7		183		733		269		205		721		216		1.3		2.10		3		3		0
Anoka.MN	10	Sp fsl	35				39		53		8.0		177		762		162		2		153		22		5.3		3.72		10		0		0
		Mean	48		49		58		60		9.2		164		826		255		42		587		196		2.2		2.5		9		31		8
		SE	1.0		0.7		1.2		1.0		0.2		6		51		9		8		59		17		0.2		0.1		1		4		2

Colfax.WI	ChamN	Pdb	39		39		72		89		10.6		183		62		156		56		65		34		2.8		1.44		0		0		0
Colfax.WI	ChamW	EmB	39		39		67		83		11.0		147		169		189		202		130		38		3.3		0.20		2		0		0
Colfax.WI	Dickin	PfA	43		42		72		83		10.2		133		139		145		176		68		25		4.9		2.29		1		5		0
Colfax.WI	ScoreN	PdB	42		41		68		80		10.1		160		69		86		8		45		10		3.0		0.30		0		0		0
Colfax.WI	ScoreS	UnB	42		41		71		84		8.6		230		118		242		224		110		37		4.0		1.52		0		0		0
		Mean	41		40		70		84		10.1		171		111		164		133		84		29		3.6		1.1		1		1		0
		SE	0.4		0.3		0.5		0.6		0.2		8		9		11		19		7		2		0.2		0.2		0		0		0
^a Age based on planting records. Age.2002.b = age at 1 m (from cores) + 5. Site indices calculated from Age.2002.b
^b Age based growth rings at 1 m + 5. Site indices calculated from Age.2002.b
^c Calculated from ages based on Age.2002^b
^d In logs colonized after 15 July.