Zoologisches Institut der Universität Basel, Rheinsprung 9, CH-4051, Basel, Switzerland.
J Chem Ecol. 1993 Mar;19(3):395-410. doi: 10.1007/BF00994313.
The defensive secretion of the alpine chrysomelidOreina gloriosa is a complex mixture of mainly cardenolides and tyrosine betaine. Individually sampled secretions of adult laboratory-reared and field-collected beetles were analyzed by reverse-phase HPLC; 16 secretion components were quantified. Quantities and concentrations of different components were significantly affected by the age, sex, and reproductive status of individual beetles. Aging was correlated with marked increases (up to 4.4-fold) and decreases (up to 2.7-fold) of quantities and concentrations of several components. Differences between the sexes were smaller, but quantities of all components and concentrations of several components were larger in laboratory-reared females than in males. There was less of one component of the secretion in mated than unmated females, but the concentrations of four secretion components were higher (up to 1.6-fold) in mated females.
高山叶甲 Oreina gloriosa 的防御分泌物是一种主要由强心甾内酯和酪氨酸甜菜碱组成的复杂混合物。通过反相高效液相色谱法对成年实验室饲养和野外采集的甲虫的单独取样分泌物进行分析;定量了 16 种分泌物成分。不同成分的数量和浓度受到个体甲虫的年龄、性别和生殖状态的显著影响。老化与几种成分的数量和浓度的显著增加(高达 4.4 倍)和减少(高达 2.7 倍)有关。两性之间的差异较小,但实验室饲养的雌性的所有成分的数量和几种成分的浓度都大于雄性。与未交配的雌性相比,有一个分泌物成分的含量较少,但在交配的雌性中,有四种分泌物成分的浓度更高(高达 1.6 倍)。