WITHIN-TREE DISTRIBUTION OF THE PUPAE OF THANASIMUS DUBIUS (COLEOPTERA: CLERIDAE), A PREDATOR OF THE SOUTHERN PINE BEETLE (COLEOPTERA: SCOLYTIDAE)
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AbstractRegression models of the form lnY = b0 + b1ln(X−c) + b2X are presented that describe the within-tree distribution of the pupae of Thanasimus dubius (F.), a clerid predator of the southern pine beetle, Dendroctonus frontalis Zimm. More T. dubius pupae/100 cm2 of bark area were found in loblolly pine, Pinus taeda L., than in shortleaf pine, P. echinata Miller, and the number increased with increasing tree diameter class. Peak densities were found at a height of 1–4 m.
2007 ◽
Vol 37
(8)
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pp. 1427-1437
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1986 ◽
Vol 21
(2)
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pp. 114-117
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1980 ◽
Vol 4
(4)
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pp. 162-165
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2003 ◽
Vol 38
(4)
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pp. 576-582
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1996 ◽
Vol 31
(1)
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pp. 123-131
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