Volume : II, Issue : I, January - 2013

Notes on the genus Pseudovelia Hoberlandt, 1950 with the description of a new species from India

V. K. Khandelwal

Abstract :

Pseudovelia Hoberlandt, 1950 is an important genus of family Veliidae 1843 which is hereto recorded from India. It is represented in India by a new species  Pseudovelia (s.str.) polhemi  sp.nov. is described from India.

                  The Vellidae are best known of all aquatic hemiptera of the world and are extremely common in Indian waters. The members of the family are easily differentiated from the related family Gerridae based on hind leg not surpassing beyond the tip of abdomen and the presence of median longitudinal groove on vertex. Angilia Stal 1865 belongs to the subfamily Veliinae China and Usinger,1949 of the family Veliidae.The genus Pseudovelia Hoberlandt 1950 are easily recognized from the members of other genera due to long, stout and curved antennae which extended with more than 2/3 length beyond apex of head, blade like ventral arolium, cone shaped small proctiger which is caudally directed in female.

Material and Methods: Specimens for the present study have been collected from the crevices of holy riverbank of Yamuna and in order to study the specimens, dried specimens were softened in alcohol and macerated in 10% KOH solution to remove the genital capsule and dissected to study the structural details of mouthparts, eyes, antennae, genitalia etc. All drawings were being made from camera lucida. For comparative study, the data collected from World Wide Web. 

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Article: Download PDF   DOI : 10.36106/ijsr  

Cite This Article:

V.K. Khandelwal, Notes on the genus Pseudovelia Hoberlandt, 1950 with the description of a new species from India, International Journal of Scientific Research, Vol.II, Issue.I January 2013

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