Dravidacris annamalaica gen. et sp. nov. a new pygmy unicorn grasshopper (Orthoptera: Tetrigidae) from South India

被引：2
|
作者：
Bhaskar, Dhaneesh [1 ,2 ,4 ]
Sankararaman, H. [5 ,6 ]
Kasalo, Niko [2 ,3 ]
机构：
[1] Trier Univ, IUCN SSC Grasshopper Specialist Grp, Trier, Germany
[2] SIGTET Special Interest Grp Tetrigidae, Bonn, Germany
[3] Univ Zagreb, Fac Sci, Dept Biol, Rooseveltovtrg 6, HR-10000 Zagreb, Croatia
[4] Care Earth Trust, Chennai 600061, Tamil Nadu, India
[5] Vanavarayar Inst Agr, Coimbatore 642103, Tamil Nadu, India
[6] Vanavarayar Inst Agr, Dept Crop protect Entomol, Coimbatore 642103, Tamil Nadu, India
来源：
ZOOTAXA | 2022年 / 5196卷 / 03期
关键词：
Metrodorinae; Cleostratini; endemic; horn; vertex; Tamil Nadu; India; Gondwana; BOLIVARITETTIX GUNTHER; METRODORINAE; IDENTIFICATION; CLADONOTINAE; SCELIMENINAE; TAXONOMY; INSECTA; CHINA; KEY;
D O I：
10.11646/zootaxa.5196.3.6
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
A new pygmy unicorn genus, Dravidacris Bhaskar et Kasalo, gen. nov., and its single species D. annamalaica Bhaskar et Kasalo sp. nov. are described, restricted to the Eastern coast of Tamil Nadu, one of the southern states of India. Dravidarcis gen. nov. is a unique pygmy grasshopper genus with its long, elevated, and projected vertex. Long and dorsally extended flat fastigium of Dravidacris gen. nov. is similar to that of Pseudomitraria from Africa, Rostella from SE Asia, and Indomiriatra from India. However, those species are different and are not closely related. The new genus is easily separated from the genera mentioned above by the shape of the horn, the way the horn is developed, the expression of medial and median carinae, and the shape of the anterior margin of the pronotum. The implications of differing horn morphologies are discussed, and some taxonomic comments are offered.
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页码：420 / 432
页数：13
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