Three new genera of myrmicine ants from tropical America.

IF 5.1 2区环境科学与生态学 Q1 BIODIVERSITY CONSERVATION

Bulletin of the American Museum of Natural History Pub Date : 1910-12-31 DOI:10.5281/ZENODO.25138

W. M. Wheeler, Norm Johnson, Joe Cora

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引用次数: 8

Abstract

Female. Allied to Leptothorax. Body small, slender. Head longer than broad, convex above in the middle, flattened below, broader behind than in front, and strongly impressed in the region of the eyes, which are rather large and in front of the middle. Mandibles moderately convex, dentate. Clypeus small, feebly convex, with rounded and projecting anterior border. Frontal area elongate-triangular, rather indistinct; frontal carinte short but well-developed, frontal groove absent. Antennae 11-jointed, funiculus with a 3-jointed club. Thorax long and narrow, flattened above and on the sides, with acute and prominent humeri. Mesonotum subtriangular, narrowed to a rounded point anteriorly. Epinotum dentate; episternal angles rounded. Petiole not pedunculate, with an anteroventral tooth and well developed dorsal node. Postpetiole depressed, constricted behind. Gaster short, elliptical, flattened above, more convex beneath, the first segment very large; sting well developed. Legs stout; femora clavate, incrassated; middle and hind tibiae without spurs. Wings long, minutely hairy, with large apterostigma, one cubital cell, a small closed radial and no discal cell. Hairs on body short, sparse, erect and clavate; pubescence closely appressed.

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标题热带美洲金蚁三新属。

女性。与瘦胸兽同属。身体小，纤细。头部比宽长，中间凸起，下面扁平，后面比前面宽，在眼睛区域留下深刻的印象，眼睛在中间前面相当大。下颌骨中等凸，有齿。山瓣小，弱凸，具圆形和突出的前缘。额区长三角形，相当不清楚;额凹短但发育良好，额沟无。触角11节，球囊具3节棒。胸长而窄，上面和两侧扁平，肱骨尖锐而突出。中耳膜近三角形，前面狭窄成一个圆形点。Epinotum齿状;书信角是圆形的。叶柄不带梗，具一前腹齿和发育良好的背节。后叶柄下陷，缩窄在后面。短，椭圆形，上面扁平，下面较凸，第一部分非常大;Sting发育良好。腿粗壮;股棒状，增强;胫骨中间和后面没有马刺。翅长，微毛，具大的无柱头，一个肘部室，一个小的封闭放射状室和无盘状室。体毛短，稀疏，直立和棍棒状;短柔毛紧密贴伏。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Bulletin of the American Museum of Natural History 环境科学-生态学

CiteScore

7.90

自引率

2.90%

发文量

审稿时长

>18 weeks

期刊介绍： The Bulletin, published continuously since 1881, consists of longer monographic volumes in the field of natural sciences relating to zoology, paleontology, and geology. Current numbers are published at irregular intervals. The Bulletin was originally a place to publish short papers, while longer works appeared in the Memoirs. However, in the 1920s, the Memoirs ceased and the Bulletin series began publishing longer papers. A new series, the Novitates, published short papers describing new forms.