A matrix-based revision of the genus Hypogena Dejean, 1834 (Coleoptera: Tenebrionidae)
A matrix-based revision of the genus Hypogena Dejean, 1834 (Coleoptera: Tenebrionidae)
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基于矩阵的 Hypogena Dejean 属修订版，1834 年（鞘翅目：步甲科）
DOI：
10.11646/zootaxa.4780.2.1
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发表时间：
2020
期刊：
影响因子：
0.9
通讯作者：
SMITH, AARON D.
中科院分区：
文献类型：
--
作者：
GREY, LUNA;SMITH, AARON D.
修订了拟步甲科拟步甲亚科（Tenebrionidae：Tenebrioninae）的拟步甲属（Hypogena Dejean，1834）。Hypogena完全由背腹扁平的物种组成，它们生活在死树的皮层下。本属通常通过雄性特有的特征来识别，特别是头状角的存在。1848年，Hypogena被归入Triboliini Gistel部落。然而，一些以前被忽视的形态特征使人们对其在部落中的位置产生了疑问。一个形态矩阵的94个外部成人字符组装检查种的关系和边界。给出了由此产生的系统发育。13个Hypogena物种以前被认为是有效的，包括来自多米尼加琥珀的Hypogena marginalis Doyen和Poinar。本研究中描述了四个以前未鉴定的物种：Hypogena akuma sp. nov.（巴西），Hypogena cryptica sp. nov.（墨西哥），Hypogena hirsuta sp. nov.（厄瓜多尔）和Hypogena reburra sp. nov.（哥伦比亚）。选择型被指定为Hypogena depressa（Champion，1886）、Hypogena dejeani（Champion，1886）、Hypogena canaliculata（Champion，1886）和Hypogena vacca（Fabricius，1801）。一个新模式被命名为双印拟粉虫（Tenebrio biimpressus，Latreille，1833）（模式种为Hypogena，在Hypogena brasilica（Perty）下同分类），以保持该属内的稳定性。
The darkling beetle genus Hypogena Dejean, 1834 (Tenebrionidae: Tenebrioninae) is revised. Hypogena is entirely composed of dorsoventrally flattened species that live subcortically in dead trees. This genus is generally identified by male specific characters, particularly the presence of cephalic horns. Hypogena is currently placed within the tribe Triboliini Gistel, 1848. However, several previously overlooked morphological characters call into question its placement within the tribe. A morphological matrix of 94 external adult characters was assembled to examine species relationships and boundaries. The resulting phylogeny is presented. Thirteen Hypogena species were previously recognized as valid, including Hypogena marginalis Doyen & Poinar from Dominican amber. Four previously unidentified species are described in this study: Hypogena akuma sp. nov. (Brazil), Hypogena cryptica sp. nov. (Mexico), Hypogena hirsuta sp. nov. (Ecuador), and Hypogena reburra sp. nov. (Colombia). Lectotypes are designated for Hypogena depressa (Champion, 1886), Hypogena dejeani (Champion, 1886), Hypogena canaliculata (Champion, 1886), and Hypogena vacca (Fabricius, 1801). A neotype is designated for Tenebrio biimpressus (Latreille, 1833) (type species of Hypogena, synonymized under Hypogena brasilica (Perty)) in order to maintain stability within the genus.