AN IMPROVED DIET FOR REARING THE DIAMONDBACK MOTH, PLUTELLA XYLOSTELLA, AND ITS REQUIREMENTS FOR FATTY ACIDS

飼養小菜蛾之改良飼料及其對脂肪酸之需求

侯豐男(Roger F. Hou) ； 蕭美玲(Mei-Lin Hsiao)

《中華昆蟲》 6卷1期 (1986/03) Pp. iii+31-37

https://doi.org/10.6660/TESFE.1986003

摘要

Rearing of the diamondback moth, Plutella xylostella, was studied by feeding on a semi-synthetic diet. The diet was improved by autoclaving wheat germ and by dissolving cholesterol and linseed oil in ether before adding to other components, compared with the previous preparation. Larvae fed on the improved diet had ca. 84% survival and adult emergence. Addition of leaf powder of common cabbage or kale to the diet was superior to the powders of other cruciferous vegetables for diamondback moths rearing. Linoleic acid or linolenic acid cannot be a sole fatty-acid source for this species. Addition of α tocopherol with both fatty acids to the diet did not enhance insect development.

並列摘要

以半合成飼料研究小菜蛾之人工飼育法，本飼料經以加熱之麥胚及用少量乙醚溶解膽固醇與亞麻子油來改進以往所用飼料之配製方法，提高飼育效果。小菜蛾幼蟲經用此改良飼料飼育後，其存活率及成蟲羽化率均達約84%。用甘藍與芥蘭菜所製成的菜葉粉供配製飼料，可得最好之飼育效果。Linoleic acid和Linolenic acid，兩種脂肪酸均無法供小菜蛾單一脂肪酸來源，加入維他命E亦未能有助於此兩種脂肪酸，供小菜蛾發育之營養需求。