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Chemistry and morphology of the pygidial glands in four Pterostichini ground beetle taxa (Coleoptera: Carabidae: Pterostichinae)
Zoology ( IF 2 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.zool.2020.125772
Sofija Vranić 1 , Srećko Ćurčić 1 , Nikola Vesović 1 , Boris Mandić 2 , Dejan Pantelić 3 , Marija Vasović 1 , Vladimir Lazović 3 , Wang Zhang 4 , Ljubodrag Vujisić 2
Affiliation  

Morphology of the pygidial glands and chemical composition of their secretions in adults of four ground beetle representatives of the Pterostichini tribe (Coleoptera: Carabidae) were analysed. Molops (Stenochoromus) montenegrinus, Pterostichus (Cophosus) cylindricus, P. (Feronidius) melas and P. (Pseudomaseus) nigrita were chemically tested, while the latter three species were morphologically investigated. Pterostichus (C.) cylindricus, P. (P.) nigrita and M. (S.) montenegrinus were chemically studied for the first time. Altogether, 23 chemical compounds were isolated using gas chromatography-mass spectrometry (GC-MS), of which some are new for Pterostichini or even Carabidae. Methacrylic acid was present in all species analysed. It was predominant in the secretion extract of P. (C.) cylindricus and P. (F.) melas. Isobutyric and 2-methylbutyric acids were the major components in the secretion of M. (S.) montenegrinus. Undecane, methacrylic and tiglic acids were the main components in the secretion of P. (P.) nigrita. The simplest chemical mixture was found in P. (C.) cylindricus (two compounds), while the most complex one was detected in P. (P.) nigrita (15 compounds). No significant differences in the chemical composition of the pygidial gland secretions were evidenced in P. (C.) cylindricus sampled from the same area and in the same season in two different years. Morphology of the pygidial glands of the studied species was analysed for the first time. Morphological features of the pygidial glands were observed using bright-field microscopy and nonlinear microscopy and described in details.

中文翻译:

四种紫檀地甲虫类群(鞘翅目:Carabidae:Pterostichinae)中尾腺的化学和形态

分析了 Pterostichini 部落(鞘翅目:Carabidae)的四个地面甲虫代表成虫的尾腺形态及其分泌物的化学成分。Molops (Stenochoromus) montenegrinus、Pterostichus (Cophosus) cylindricus、P. (Feronidius) melas 和 P. (Pseudomaseus) nigrita 进行了化学测试,而后三个物种进行了形态学研究。首次对 Pterostichus (C.) cylindricus、P. (P.) nigrita 和 M. (S.) montenegrinus 进行了化学研究。总共使用气相色谱-质谱联用 (GC-MS) 分离出 23 种化合物,其中一些是紫檀甚至 Carabidae 的新化合物。甲基丙烯酸存在于所有分析的物种中。它在 P. (C.) cylindricus 和 P. (F.) melas 的分泌提取物中占主导地位。异丁酸和 2-甲基丁酸是 M. (S.) montenegrinus 分泌物中的主要成分。十一烷、甲基丙烯酸和tiglic acid 是P. (P.) nigrita 分泌物中的主要成分。在 P. (C.) cylindricus(两种化合物)中发现了最简单的化学混合物,而在 P. (P.) nigrita(15 种化合物)中检测到了最复杂的一种。在两个不同年份的同一地区和同一季节采样的 P. (C.) cylindricus 中,没有证明尾腺分泌物的化学成分存在显着差异。首次分析了所研究物种的尾腺形态。使用明视野显微镜和非线性显微镜观察并详细描述了尾腺的形态特征。) 黑山。十一烷、甲基丙烯酸和tiglic acid 是P. (P.) nigrita 分泌物中的主要成分。在 P. (C.) cylindricus(两种化合物)中发现了最简单的化学混合物,而在 P. (P.) nigrita(15 种化合物)中检测到了最复杂的一种。在两个不同年份的同一地区和同一季节采样的 P. (C.) cylindricus 中,没有证明尾腺分泌物的化学成分存在显着差异。首次分析了所研究物种的尾腺形态。使用明视野显微镜和非线性显微镜观察并详细描述了尾腺的形态特征。) 黑山。十一烷、甲基丙烯酸和tiglic acid 是P. (P.) nigrita 分泌物中的主要成分。在 P. (C.) cylindricus(两种化合物)中发现了最简单的化学混合物,而在 P. (P.) nigrita(15 种化合物)中检测到了最复杂的一种。在两个不同年份的同一地区和同一季节采样的 P. (C.) cylindricus 中,没有证明尾腺分泌物的化学成分存在显着差异。首次分析了所研究物种的尾腺形态。使用明视野显微镜和非线性显微镜观察并详细描述了尾腺的形态特征。) cylindricus(两种化合物),而最复杂的一种是在 P. (P.) nigrita(15 种化合物)中检测到的。在两个不同年份的同一地区和同一季节采样的 P. (C.) cylindricus 中,没有证明尾腺分泌物的化学成分存在显着差异。首次分析了所研究物种的尾腺形态。使用明视野显微镜和非线性显微镜观察并详细描述了尾腺的形态特征。) cylindricus(两种化合物),而最复杂的一种是在 P. (P.) nigrita(15 种化合物)中检测到的。在两个不同年份的同一地区和同一季节采样的 P. (C.) cylindricus 中,没有证明尾腺分泌物的化学成分存在显着差异。首次分析了所研究物种的尾腺形态。使用明视野显微镜和非线性显微镜观察并详细描述了尾腺的形态特征。首次分析了所研究物种的尾腺形态。使用明视野显微镜和非线性显微镜观察并详细描述了尾腺的形态特征。首次分析了所研究物种的尾腺形态。使用明视野显微镜和非线性显微镜观察并详细描述了尾腺的形态特征。
更新日期:2020-10-01
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