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Studies on the control of tung oil tree geometrid Buzura suppressaria (Lep.: Geometridae) by Trichogramma dendrolimi (Hymen.: Trichogrammatidae).
- R. Yuan
Preliminary studies on the control of the tung-oil tree geometrid B. supp ressaria by Trichogramma dendrolimi have been conducted, 50-100％ of egg parasitism in laboratory and 21.7％ on average in… Expand
Relationship Between Growth of Roundhead Wormwood Sown by Air and Environment in Alashan Desert Area.
- R. Yuan
It was indicated that plants of insect infestation was 162 in 856 tested plants, and the injury rate was 18.93% among 518 insects specinmens, Pyralidae homoeosoma, Tortricidae pelochrista and Tortric families accounted for 86.10% of all. Expand
Bionomics and control of the pine caterpillar Cosmotriche inexperta (Leech) (Lepidoptera: Lasiocampidae).
Immature Stages Description of March Fly, Penthetria japonica Wiedemann (Diptera: Bibionidae), from Hubei, China
The characteristics of the immature stages of Penthetria japonica Wiedemann are described for the first time, including egg, mature larva, and pupa. Expand