JOURNAL
Life tables of currant clearwing, #Synanthedon tipuliformis# (Lepidoptera: Sesiidae), in blackcurrant in Canterbury
- By
- Scott, R.R.; Harrison, R.A.
- Description
Survivorship curves and life tables for the 1971-75 generations of currant clearwing in an unsprayed blackcurrant (cv. 'Cotswold Cross') plantation and for the 1972-74 generations in a sprayed blackcurrant plantation (cvs 'Cotswold Cross' and 'Magnus') are presented. The key element in the life cycle is identified as adult survival, and the density dependence of the various mortalities is identified by various indices. The possible effects on population levels of currant clearwing of the proposed pruning management for mechanically harvested blackcurrants is discussed. (auth)
- Source
- New Zealand Journal of Zoology v.7 n.4:p.585-595
- From
- Royal Society of New Zealand
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