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A new species of Catonidia Uhler (Hemiptera: Fulgoromorpha: Achilidae) from China
One new species of the genus Catonidia Uhler, 1896 (Hemiptera: Fulgoromorpha: Achilidae: Achilini), C. choui sp. nov., from China is described and illustrated. A checklist and a key to the species ofExpand
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Study on Annual Life History and Population Development of Diamondback Moth Plutella xyloslella Linnaeus in Natural Change Temperatura
在变温条件下连续饲养观察小菜蛾两年,摸清了小菜蛾每年可发生12代,发育起点温度C为2.2℃,有效积温K为613.58日度.测算了每一代每头的平均产卵量.结合当地气温资料对小菜蛾的生长发育、冬季活动状况、全年田间虫口变动趋势进行了分析和讨论.
Study on Population Occurrence and Control Strategy of Diamond Back Month in Cabbage Vegetable Field in Guiyang
Through investigation for 3 years in the field and research in lab for 2 years , the number of generations ( 12- 13 generations ) of diamond back month in a year and its population dynamics inExpand