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Hydrilla (waterthyme) is a genus of aquatic plant, usually treated as containing just one species, Hydrilla verticillata, though some botanists divide it into several species. It is native to the cool and warm waters of the Old World in Asia, Africa and Australia, with a sparse, scattered distribution; in Australia from Northern Territory ...
It is known as the Asian hydrilla leaf-mining fly. It is used as an agent of biological pest control against the noxious aquatic plant hydrilla (Hydrilla verticillata). The adult fly is about 1.5 millimeters long, dark gray in color with a shiny metallic gold or silver face. The female lays eggs on the leaves of hydrilla above the surface of ...
[1] [2] [3] The non-native invasive species Hydrilla is the only known host plant for this beetle, with larvae feeding on and developing within Hydrilla stems. [ 4 ] References
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Hydrocharitaceae is a flowering plant family including 16 known genera with a total of ca 135 known species (Christenhusz & Byng 2016 [2]), that including a number of species of aquatic plant, for instance the tape-grasses, the well known Canadian waterweed, and frogbit.
It is usually fairly easy to distinguish from its relatives, like the Brazilian Egeria densa and Hydrilla verticillata. These all have leaves in whorls around the stem; however, Elodea usually has three leaves per whorl, whereas Egeria and Hydrilla usually have four or more. Egeria densa is also a larger, bushier plant, with longer leaves. [15]
Elophila obliteralis, the waterlily leafcutter moth, is a moth of the family Crambidae.It was described by Francis Walker in 1859. It is native to eastern North America. It is an introduced species in Hawaii and South Africa.
Hydrilla was first found in the lake in the 1970s. American lotus is present at the west end of the lake thanks to the shallow water. During the first addition of grass carp, the lake experienced an increase in Lyngbia wollei algae , which can only be controlled with a decrease in nutrients. [ 15 ]