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Morphology of the exocrine glands associated with the maxillolabial complex in the ant Camponotus japonicus Mayr, 1866 (Hymenoptera: Formicidae)
Insectes Sociaux ( IF 1.3 ) Pub Date : 2020-11-25 , DOI: 10.1007/s00040-020-00793-2
W. Xu , H. He , J. Billen

In this study, we investigated the morphological characteristics of three glands that are associated with the labium and the maxillae in the female castes as well as males of the ant Camponotus japonicus Mayr, 1866 using serial semithin sections and scanning electron microscopy (SEM). We propose to name these glands as the postmentum base gland, the stipes base gland and the cardo base gland. The cardo base gland represents what was previously known as the maxillary gland, the two other glands are novel findings. They all belong to class-3 glands and have no reservoir for the storage of secretion. Their morphology is similar among the studied categories (major worker, minor worker, queen and male). The postmentum base gland is made up by 10–15 secretory units that open through the articulation membrane on both sides of the base of the labial postmentum with no significant differences among castes. The stipes base gland is formed by a cluster of secretory units that open at the articulation membrane between cardo and stipes. This gland is much larger in major workers (almost 140 cells) than in the other castes (approx. 50–60 cells). The cardo base gland opens through the membrane that connects the cardo and stipes to the head capsule. The number of cells of this gland is much larger in major workers and queens (approximately 190 and 150, respectively) than in minor workers and males (approximately 45 and 40, respectively). No information is yet available on the function of the glands.

中文翻译:

与 Camponotus japonicus Mayr 蚂蚁上颌唇复合体相关的外分泌腺形态,1866 年(膜翅目:蚁科)

在这项研究中,我们使用连续半薄切片和扫描电子显微镜 (SEM) 研究了与 1866 年雌性种姓以及雄性蚂蚁 Camponotus japonicus Mayr 的阴唇和上颌骨相关的三个腺体的形态特征。我们建议将这些腺体命名为 postmentum 基腺、叶柄基腺和 Cardo 基腺。心底腺代表以前称为上颌腺的东西,另外两个腺体是新发现。它们都属于第3类腺体,没有储存分泌物的蓄水池。它们的形态在所研究的类别(主要工人、次要工人、女王和男性)中是相似的。后唇基腺由 10-15 个分泌单位组成,这些分泌单位通过唇后唇基两侧的关节膜开放,种姓之间没有显着差异。叶柄基部腺体由一组分泌单位形成,这些单位在心叶和叶柄之间的关节膜处开放。主要工人的这个腺体(近 140 个细胞)比其他种姓(约 50-60 个细胞)大得多。心基腺体通过将心和柄连接到头囊的膜打开。该腺体的细胞数量在主要工蚁和蚁后(分别约为 190 和 150 个)中比在小型工蚁和雄性(分别约为 45 和 40)中要多得多。目前还没有关于腺体功能的信息。叶柄基部腺体由一组分泌单位形成,这些单位在心叶和叶柄之间的关节膜处开放。主要工人的这个腺体(近 140 个细胞)比其他种姓(约 50-60 个细胞)大得多。心基腺体通过将心和柄连接到头囊的膜打开。该腺体的细胞数量在主要工蚁和蚁后(分别约为 190 和 150 个)中比在小型工蚁和雄性(分别约为 45 和 40)中要多得多。目前还没有关于腺体功能的信息。叶柄基部腺体由一组分泌单位形成,这些单位在心叶和叶柄之间的关节膜处开放。主要工人的这个腺体(近 140 个细胞)比其他种姓(约 50-60 个细胞)大得多。心基腺体通过将心和柄连接到头囊的膜打开。该腺体的细胞数量在主要工蚁和蚁后(分别约为 190 和 150 个)中比在小型工蚁和雄性(分别约为 45 和 40)中要多得多。目前还没有关于腺体功能的信息。心基腺体通过将心和柄连接到头囊的膜打开。该腺体的细胞数量在主要工蚁和蚁后(分别约为 190 和 150 个)中比在小型工蚁和雄性(分别约为 45 和 40)中要多得多。目前还没有关于腺体功能的信息。心基腺体通过将心和柄连接到头囊的膜打开。该腺体的细胞数量在主要工蚁和蚁后(分别约为 190 和 150 个)中比在小型工蚁和雄性(分别约为 45 和 40)中要多得多。目前还没有关于腺体功能的信息。
更新日期:2020-11-25
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