Hydrometra

Latreille, 1797

water measurers

Hydrometra is a of ( ) comprising over 120 described . These are small, slender adapted to life on the water surface. The genus has a distribution with records from the Oriental Region, Europe, Africa, Madagascar, and the Americas. Recent taxonomic work has focused on species delineation in under-sampled regions including India and island systems.

Hydrometra barei by (c) Matthew Pintar, some rights reserved (CC BY), uploaded by Matthew Pintar. Used under a CC-BY license.

Hydrometra hungerfordi by (c) Matthew Pintar, some rights reserved (CC BY), uploaded by Matthew Pintar. Used under a CC-BY license.

Hydrometra australis by (c) Arturo Santos, some rights reserved (CC BY), uploaded by Arturo Santos. Used under a CC-BY license.

Pronunciation

How to pronounce Hydrometra: //ˌhaɪdrəˈmiːtrə//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Distribution

distribution including: Oriental Region (India, Andaman and Nicobar Islands), Europe (Italy, Scandinavia, Denmark), Africa (Madagascar, Réunion Island; presence in Egypt, Sudan, and Rwanda excluded for H. gracilenta), and the Americas (Colombia).

More Details

Taxonomic history

The description date has been corrected from 1796 to 1797 based on nomenclatural review. The genus contains organized into species groups, including the H. julieni group and H. lineata group, based on morphological affinities.

Species diversity

Over 120 described , with ongoing taxonomic work describing new species from previously under-sampled regions. Recent descriptions include H. cherukolensis from Tamil Nadu, India and H. nicobarensis from the Andaman and Nicobar Islands.