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The Gerridae are a family of insects in the order Hemiptera, commonly known as water striders, water skeeters, water scooters, water bugs, pond skaters, water skippers, water gliders, water skimmers or puddle flies. Consistent with the classification of the Gerridae as true bugs (i.e., suborder Heteroptera ), gerrids have mouthparts evolved for ...
Insects that affect roses are often considered pests. Aphids (greenfly) (order Hemiptera family Aphididae) Macrosiphum rosae – Likely to be found on new shoots and buds, aphids are soft bodied insects 1–2 mm long. Often green but occasionally light brown, and sometimes with wings, they may cover (in a colony) the complete growing tip of the ...
Brenneria salicis. Brenneria salicis is a Gram-negative bacterium that is pathogenic on plants . The bacterium is known to cause 'watermark disease' in willow ( Salix ssp.) trees. Watermark disease affects infected trees by occluding the xylem vessels, impeding circulation. Early signs of the disease are wilting or dried-out, dead leaves on ...
Corythucha elegans, the willow lace bug, is a bug species in the family Tingidae found on willows in North America. Rhabdophaga rosaria is a type of gall found on willows. Rust, caused by fungi of genus Melampsora, is known to damage leaves of willows, covering them with orange spots.
Both the Gwich’in and Inuit in the Bathurst Inlet area were known to eat parts of the plant, which is high in vitamin C and tastes sweet. [11] One young leaf contains 7 to 10 times more vitamin C than an orange. [7] The inside of the young shoots (excluding the bark) can be eaten raw, including those found underground. [7]
Nematus oligospilus, commonly known as the willow sawfly, is a species of sawfly in the family Tenthredinidae. Native to central and northern Europe and Asia, it was first recorded in South America in the 1980s and New Zealand in 1997, and has also been introduced to Australia, South Africa and Lesotho. Its larvae feed on the leaves of various ...
Salix × fragilis is cultivated as a fast-growing ornamental tree. The cultivar 'Russelliana' (syn. S. × fragilis var. russelliana) is by far the most common clone of crack willow in Great Britain and Ireland, very easily propagated by cuttings. It is a vigorous tree commonly reaching 20–25 m (66–82 ft) tall, with leaves up to 15 cm long.
The water bug or water beetle is known as alukap in Ilokano language. It is sauteed or fried in oil, garlic, onions and tomatoes, or roasted, after the wings and legs have been removed, and eaten as a viand for steamed rice or as a finger food with liquor. The same is done in the Visayas region where it is called obus in the Visayan language. [6]