Journal of the Australian Entomological Society (1993) 32, 289-296

Christine Stone (1993)
Survey of arthropods from billets of Pinus following infestation by Ips grandicollis (Eichhoff) (Coleoptera: Scolytidae) in northeastern New South Wales
Journal of the Australian Entomological Society 32 (4), 289-296
Abstract: Seventy species of arthropod (Insecta 63 spp., Arachnida 6 spp. and Diplopoda 1 sp.) emerged from billets of Pinus taeda and Pinus elliottii stored in steel drums for over 13 months in the laboratory. The billets had previously been exposed to attack by Ips grandicollis (five-spined bark beetle) for 28 d in Pinus plantations in northeastern New South Wales. The P. elliottii billets were from two coastal plantations while the P. taeda came from two tableland plantations. Significantly more species emerged from the billets of P. elliottii than the P. taeda billets. Billet diameter, however, had little influence on either the composition or abundance of species. Predominant among the emergents were Bradysia sp. (Diptera: Sciaridae), Xenylla maritima (Collembola: Hypogastruridae) and Entomobrya sp. cf. marginata (Collembola: Entomobryidae). These three species were rarely collected during the first 3 months when I. grandicollis was emerging in high numbers. High densities of Bradysia sp. were associated with reduced species diversity. Although most species were native, the composition by order and family was similar to that reported from Pinus stumps in England.
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Research topic(s) for pests/diseases/weeds:
environment - cropping system/rotation

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Hylastes ater	Wood products	Australia (South+SE)
	Ips grandicollis	Wood products	Australia (South+SE)