ABSTRACT

A new species of parasitic copepod of the genus Lernaeenicus Lesueur, 1824 (Siphonostomatoida: Pennellidae) parasitizing the torpedo scad Megalaspis cordyla (Linnaeus) collected from the Arabian Sea, off Kerala coast, India is described and illustrated. The new species, Lernaeenicus megalaspis sp. nov., can be distinguished from its other 32 congeners by the following features: (i) cephalosome 1.5 times longer than broad; (ii) presence of three stout posterior horns on the cephalosome, one median and two lateral, all sub-similar and apically round and blunt; (iii) neck 4.6 times as long as trunk; (iv) abdomen slightly longer than trunk; (v) 4-segmented antennule, and (vi) maxilla, third segment narrow, longer than second, segment 1 slightly broader than others and lateral border with two small spine.

Publication LSID: lsid:http://zoobank.org:pub:8B4CD87A-0821-4F2A-9159-6338BDA85D3B

摘要

描述并举例说明了一种新的寄生寄生pe足类昆虫，该物种是莱纳埃尼库斯莱索尔（Lernaeenicus Lesueur）属的一种，于1824年（Siphonostomatoida：Pennellidae）寄生于印度喀拉拉海岸附近的阿拉伯海收集的鱼雷大鳞Mega（Linnaeus）。新种，大叶紫薇（Lernaeenicus megalaspis）sp。nov。，可以通过以下特征与其他32个同类物区分开：（i）头体长1.5倍；宽。（ii）头状体上有3个粗壮的后角，一个正中和两个侧向，全部相似，顶端圆而钝。（iii）颈长为躯干的4.6倍；（iv）腹部比躯干稍长；（v）4节的瓣膜，和（vi）上颌骨，第三节狭窄，长于第二节，第1节比其他节稍宽，外侧边界有两个小脊柱。

出版物LSID： lsid：http：//zoobank.org：pub：8B4CD87A-0821-4F2A-9159-6338BDA85D3B