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New haidomyrmecine ants (Hymenoptera: Formicidae) from mid-Cretaceous amber of northern Myanmar
Cretaceous Research ( IF 2.1 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.cretres.2020.104502 John E. Lattke , Gabriel A.R. Melo
Cretaceous Research ( IF 2.1 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.cretres.2020.104502 John E. Lattke , Gabriel A.R. Melo
Abstract Three new species and a new genus of “hell ants” (Haidomyrmecinae) are described from Cenomanian Burmese amber. Ceratomyrmex planus sp. nov. is the second species formally known for the genus and obliges a revision of the generic diagnosis. It can be recognized by its smaller size, the straight and shorter club-like cephalic horn, and flattened eyes. Haidomyrmex davidbowiei sp. nov. has only two trigger hairs on the apex of a brief clypeal lobe dorsal to the setal patch, the first flagellomere distinctly longer than the second, amongst other characters. Dilobops bidentata gen. et sp. nov., is the only known ant with a bidentate projection on the frontal region. Its clypeus is posteriorly flanked by two projecting lobes. The possible relation of the cephalic and mandibular morphology with the feeding habits of Haidomyrmecinae is discussed. It is argued that not all species impaled prey with their mandibles and that honeydew collection could have formed a part of their diet. A key for identifying the species of Haidomyrmex is included.
中文翻译:
来自缅甸北部中白垩世琥珀的新海杜松蚁(膜翅目:蚁科)
摘要 描述了森诺曼尼亚缅甸琥珀中的三个新种和一个新属的“地狱蚁”(Haidomyrmecinae)。Ceratomyrmex planus sp. 十一月 是该属正式已知的第二个物种,并有义务修改通用诊断。可以通过其较小的尺寸、笔直而较短的棒状头角和扁平的眼睛来识别它。Haidomyrmex davidbowiei sp. 十一月 在刚毛背侧的短髁叶的顶端只有两根触发毛,第一个鞭毛明显长于第二个,以及其他特征。Dilobops bidentata gen。等 sp. nov.,是唯一已知的在额部有双齿投影的蚂蚁。它的clypeus后面有两个突出的裂片。讨论了头、下颌形态与海多米亚科食性的可能关系。有人认为,并非所有物种都用下颌骨刺穿猎物,收集蜜露可能是它们饮食的一部分。包括识别 Haidomyrmex 物种的关键。
更新日期:2020-10-01
中文翻译:
来自缅甸北部中白垩世琥珀的新海杜松蚁(膜翅目:蚁科)
摘要 描述了森诺曼尼亚缅甸琥珀中的三个新种和一个新属的“地狱蚁”(Haidomyrmecinae)。Ceratomyrmex planus sp. 十一月 是该属正式已知的第二个物种,并有义务修改通用诊断。可以通过其较小的尺寸、笔直而较短的棒状头角和扁平的眼睛来识别它。Haidomyrmex davidbowiei sp. 十一月 在刚毛背侧的短髁叶的顶端只有两根触发毛,第一个鞭毛明显长于第二个,以及其他特征。Dilobops bidentata gen。等 sp. nov.,是唯一已知的在额部有双齿投影的蚂蚁。它的clypeus后面有两个突出的裂片。讨论了头、下颌形态与海多米亚科食性的可能关系。有人认为,并非所有物种都用下颌骨刺穿猎物,收集蜜露可能是它们饮食的一部分。包括识别 Haidomyrmex 物种的关键。