Gerromorpha (Hemiptera: Heteroptera) from the Metropolitan Region of Santarém, Brazil, including three new species of Microvelia Westwood, 1834 (Veliidae: Microveliinae)


	Hydrometra argentina, apterous female. A. Habitus, dorsal view; B. Habitus, ventral view; C. Habitus, lateral view; D. Anterior portion of head, dorsal view; E. Thorax, lateral view; F. Abdomen, lateral view. Scale bars: (A–C, E, F) 2 mm, (D) 0.2 mm.
	Part of: dos Santos SE, Rodrigues JMS, Couceiro SRM, Moreira FFF (2021) Gerromorpha (Hemiptera: Heteroptera) from the Metropolitan Region of Santarém, Brazil, including three new species of Microvelia Westwood, 1834 (Veliidae: Microveliinae). Biodiversity Data Journal 9: e68567. https://doi.org/10.3897/BDJ.9.e68567