壶头白蚁属 Cyrilliotermes

形态描述

以下形态描述据原始文献的属级记述改写成中文，术语按原文含义翻译；不逐字转录原文。

鉴别要点

兵蚁额管皱褶、具不规则横脊，端部呈环状（doughnut-shaped）；多数种额管长而圆柱形，C. crassinasus 为宽锥形。上颚“异常”，具磨板、磨突与缘齿，端齿退化（Curvitermes 为鱼钩状）。有翅成虫左颚指数约 2.0。

兵蚁

额管长而圆柱形，表面皱褶并具不规则横脊，端部呈环状；上颚具磨板、磨突与缘齿（与工蚁上颚相似），端齿退化。

有翅成虫

左颚指数约 2.0，与 Curvitermes、Paracurvitermes 同。

文献依据：Rocha M. M.; Cancello E. M. 2022. Updated taxonomy of Syntermitinae (Blattodea: Isoptera, Termitidae), with the description of three new genera. Zootaxa 5138: 445-463. https://doi.org/10.11646/zootaxa.5138.4.6，Comparisons with other genera of Syntermitinae（Biratermes 属征比较）；Rocha M. M.; Cancello E. M.; Cuezzo C. 2011. A new genus and species of mandibulate nasute termite (Isoptera, Termitidae, Syntermitinae) from Brazil. ZooKeys 148: 125-134. https://doi.org/10.3897/zookeys.148.1278，Comparisons with other genera of Syntermitinae；Rocha M. M.; Cancello E. M.; Carrijo T. F. 2012. Neotropical termites: revision of Armitermes Wasmann (Isoptera, Termitidae, Syntermitinae) and phylogeny of the Syntermitinae. Systematic Entomology 37: 793-827. https://doi.org/10.1111/j.1365-3113.2012.00645.x，Key to genera of Syntermitinae, couplet 8；Constantino R. 2012. Description of the imago of Noirotitermes noiroti Cancello & Myles 2000 (Isoptera: Termitidae: Syntermitinae), with new records. Zootaxa 3174: 65-68. https://doi.org/10.11646/zootaxa.3174.1.7，Comparisons（属名后逗号前的空格系 Plazi 抽取标签剥离所致）本段为改写稿，非原文转录。