First record of Ptilomera laticaudata (Hardwicke, 1823) from Pakistan extending the known range of the genus, with additional new records of water striders for the country (Hemiptera: Heteroptera: Gerridae)

The Himalayan species of water strider Ptilomera laticaudata (Hardwicke, 1823) is recorded for the first time in Pakistan, as well as the genus Ptilomera, whose distribution range is extended westward. Additional records of other species of Gerridae (Hemiptera: Heteroptera) are provided, improving knowledge of this family in the country. These include five other species recorded from the Islamabad Capital Territory for the first time: Aquarius adelaidis (Dohrn, 1860), Limnogonus fossarum fossarum (Fabricius, 1775), Chimarrhometra orientalis (Distant, 1879), Heterobates bilobatus (Esaki, 1927) and Metrocoris communis (Distant, 1910).