| review of hydrometra gracilenta horváth, 1899 (hemiptera: heteroptera: hydrometridae) in italy, with notes on its general distribution. | an annotated review of the known italian distribution of hydrometra gracilenta horváth, 1899 is provided, plus unpublished data including a new record which increases the previously known range of the species in italy. an updated map shows the currently known distribution of the taxon in italy. an overlooked nomenclatural change is discussed, and the date of description for the genus hydrometra lateille is corrected from 1796 to 1797. the presence of h. gracilenta is excluded from egypt, sudan, ... | 2015 | 26249974 |
| aquatic heteroptera (nepomorpha, gerromorpha) in small intermittent rivers of ukraine steppe zone. | small intermittent rivers are some of the most widespread types of water currents in the steppe zone. in the ecosystems of the intermittent rivers we have found 28 species of water bugs that compose the majority of the described fauna in the south ukraine. our study added two new species to the faunistic list of this zone (sigara fossarum, hydrometra gracilenta), and finally confirmed the presence of micronecta scholtzi in ukraine. we also studied the seasonal changes of biotopic distribution an ... | 2013 | 24039514 |